Dental measuring vessel and measuring method

Abstract

A dental measuring device comprises a measuring device body and a measuring clamping seat, the measuring device body comprises a base, an axis seat, a first measuring arm, a second measuring arm and a measuring rod, the axis seat, the first measuring arm and the second measuring arm can pivot mutually, the second measuring arm is provided with the measuring rod, the measuring rod is provided with a measuring needle used for measuring a tooth mold, and the measuring clamping seat is used for clamping the tooth mold. The analysis clamping seat comprises a clamping table and an adjusting base, the analysis clamping seat is arranged on the base, the clamping table can be used for clamping a tooth die, the angle and direction of the clamping table can be changed through the adjusting base, three adjusting screws are locked on the adjusting base, and the height of the corresponding position of the clamping table is changed through advancing and retreating of the adjusting screws. And the effect of three-point positioning adjustment on the tooth die and the accurate adjustment of the angle of the tooth die are achieved.

Description

Technical Field

[0001] The present invention relates to a dental surveyor and a surveying method, and more particularly to a dental surveyor that facilitates a user to quickly perform surveying corrections and a surveying method for determining, recording, and reproducing the path of insertion and removal of a cast on the dental surveyor. Background Art

[0002] A person only has one set of permanent teeth in his lifetime. Once they are destroyed, they cannot be replaced for the rest of his life. As the average life expectancy of Chinese people increases, dental health issues also need to be taken seriously. Dental-related abnormalities and diseases are complicated. Common ones are caries, periodontal disease, or teeth removed before aging due to external forces. The vacancies caused by tooth removal will affect the surrounding healthy teeth. Due to the loss of support from the parallel teeth, the surrounding teeth will gradually loosen and fall out, which is a vicious cycle for all teeth. Therefore, dentures need to be filled in time. Existing denture methods include more expensive implants, or fixed bridges, crowns and removable dentures. Since each person's tooth shape, mouth shape and gum condition are different, it is necessary to obtain the patient's tooth mold to facilitate the subsequent production of dentures, bridges, crowns and removable dentures.

[0003] The production of dentures requires the collaboration of doctors and dental technicians. Bridges, crowns, and removable partial dentures all require a specific path of insertion and removal. If the angle or direction is incorrect, the bridge, crown, or removable partial denture cannot be installed smoothly. Therefore, doctors and dental technicians need to confirm whether the angle and direction of the dental model are consistent when working together. Therefore, a measuring device is needed. It can confirm the alignment of the positioning points on the dental model at a high level. At the same time, it has an adjustment function, allowing dental technicians to obtain the same dental model direction as the doctor's design instructions, thereby avoiding installation angle problems during subsequent processing of dentures, bridges, crowns, and removable partial dentures.

[0004] In order to improve the efficiency of doctors' design and dental technicians' processing, it is also necessary to speed up the speed of measurement and positioning. Under the premise that accuracy and error values ​​are allowed, the positioning points on the dental model can be measured by the measuring device so that the angles and directions of the dental model of the doctors and dental technicians can be confirmed to be consistent, thereby reducing the pre-preparation work and time waste and improving efficiency.

[0005] Depend onFigure 26 As shown, a surveyor table (91) of a conventional dental surveyor (90) has a structure with only a ball joint (92). When determining, recording and reproducing the path of insertion of a cast on the conventional dental surveyor (90), one direction is often determined. When determining another direction, the movement of the ball joint (92) may cause the originally determined direction to change. When re-tripoding three points on a conventional dental surveyor (90), two points are often adjusted to the same height. When adjusting the height of another point, the movement of the ball joint (92) causes the relationship between the two points, which were originally at the same height, to change. This makes it difficult to determine, record, and reproduce the path of insertion and removal of a cast on the conventional dental surveyor (90). This also results in imprecise denture production, affecting patient experience.

[0006] Therefore, the inventor, in view of this, came up with the idea of ​​invention, and designed it based on many years of experience. After much discussion and trial sample testing, and many revisions and improvements, he launched the present invention. Summary of the Invention

[0007] Technical issues to be solved:

[0008] The technical problem to be solved by the present invention is to address the above-mentioned deficiencies in the prior art and provide a dental measuring device and a measuring method thereof that facilitate users to quickly perform measuring calibration.

[0009] Technical features for solving the problem:

[0010] The present invention provides a dental measuring device, which includes a measuring device and a measuring clamp seat, wherein the measuring device includes a base, an axis seat, a first measuring arm, a second measuring arm, and a measuring rod, the axis seat lock is arranged on the base, the first measuring arm is pivotally connected to the axis seat, and the second measuring arm is pivotally connected to the first measuring arm, so that the axis seat, the first measuring arm, and the second measuring arm can pivot with each other, the second measuring arm is equipped with the measuring rod, and the measuring rod is equipped with a measuring needle for measuring a tooth mold; the measuring clamp seat includes a clamping platform and an adjustment base, the measuring clamp seat is placed on the base, the clamping platform can be used to clamp a tooth mold and is provided with a clamping adjustment part for adjusting the tightness of the clamping, and the bottom of the clamping platform is provided with a ball shaped rotating part, a fine-tuning part is provided in the center of the adjustment base, and the fine-tuning part is locked with a fine-tuning handle. The rotating part is clamped on the fine-tuning part. Rotating the fine-tuning handle can loosen the fine-tuning part to adjust the rotating part and change the angle and direction of the clamping table. A top sleeve is provided on the top of the adjustment base to limit the position of the rotating part. A first adjusting screw, a second adjusting screw, and a third adjusting screw are locked on the adjustment base. Through the forward and backward movement of the first adjusting screw, the second adjusting screw, or the third adjusting screw, the positioning point height of the tooth mold clamped on the clamping table corresponding to the first adjusting screw, the second adjusting screw, or the third adjusting screw is changed, thereby achieving a three-point positioning adjustment effect.

[0011] Furthermore, the axis seat lock is arranged on the base, and a pivot shaft is provided on the top of the axis seat, the first measuring arm is penetrated by an axis hole and a first pivot hole, and the axis hole and the side of the first pivot hole are respectively provided with a first mounting hole and a second mounting hole, the pivot shaft of the axis seat is passed through the axis hole, the second measuring arm is penetrated by a second pivot hole and a measuring rod hole, and the second pivot hole and the side of the measuring rod hole are respectively provided with a third mounting hole and three fourth mounting holes, the measuring rod hole is provided with a measuring rod bushing, and the fourth mounting hole lock A plurality of ball spring screws are provided to set the measuring rod bushing assembly in the fourth mounting hole. A measuring rod is passed through the measuring rod bushing. The measuring rod can be equipped with a measuring needle for measuring a tooth die. A top stop is locked on the top of the measuring rod so that the top stop can be pressed against the measuring rod bushing to limit the moving range of the measuring rod. The upper and lower fourth mounting holes are locked with a ball spring screw. The ball spring screw gives the measuring rod an average pressure to eliminate the tolerance of the measuring rod in the measuring rod bushing to improve the accuracy. The fourth mounting hole in the middle The hole lock is provided with a measuring rod locking screw against the measuring rod. Tightening or loosening the measuring rod locking screw can adjust and fix the position of the measuring rod. The first pivot hole and the second pivot hole are each penetrated by a sliding bushing. The sliding bushing is passed through a pivot shaft. A stop screw is locked in the second mounting hole and against the pivot shaft to fix the pivot shaft, so that the axis seat, the first measuring arm, and the second measuring arm can pivot relative to each other. The first measuring arm is locked on the first mounting hole and the pivot shaft with a stop screw arm to adjust and fix the The angle between the axis seat and the first measuring arm, the second measuring arm is locked to the third mounting hole with a stop screw arm and rests on the pivot shaft to adjust and fix the angle between the first measuring arm and the second measuring arm, the pivot shaft and the top of the pivot shaft are provided with a screw lock cover to limit its top position, the first measuring arm and the second measuring arm are provided with several gaskets and several bearings to enhance the smoothness of the pivot, thereby achieving a pivoting linkage relationship between the axis seat, the first measuring arm, the second measuring arm, and the measuring rod, and maintaining a precise parallelism and verticality relationship.

[0012] The present invention provides a measuring method for accurately determining the loading and removal paths of a tooth mold on a measuring instrument. The method is performed by the following steps: using the rotating portion of the fine-tuning handle to adjust the angular direction of the tooth mold to preliminarily determine the front-to-back and left-to-right inclinations of the tooth mold, so that the front-to-back and left-to-right directions of the tooth mold are respectively close to the first adjustment screw, the second adjustment screw, and the third adjustment screw. Therefore, it can be determined that adjusting the first adjustment screw, the second adjustment screw, and the third adjustment screw can accurately adjust the front-to-back and left-to-right directions of the tooth mold, thereby accurately determining the loading and removal paths of the tooth mold.

[0013] The present invention provides a measuring method for recording and reproducing the loading and removal paths of a dental mold on a measuring instrument. The method is performed by the following steps: recording the loading and removal path of the dental mold; a dentist measures the dental mold on a dental measuring instrument and determines the direction and inclination of the dental mold, i.e., the loading and removal path; using a three-point contour positioning method, three separate contour points are selected on the surface of the dental mold, namely, a first positioning point, a second positioning point, and a third positioning point; the dentist hands the dental mold to a dental technician to continue reproducing the loading and removal path of the dental mold and to produce a denture; to reproduce the loading and removal path of the dental mold, the dental technician must reproduce the loading and removal path of the dental mold determined by the dentist on the dental measuring instrument before producing the denture; the dental technician adjusts the position and angle of the dental mold on the dental measuring instrument so that the first positioning point, the second positioning point, and the third positioning point are adjusted to the same height to reproduce the loading and removal path of the dental mold.

[0014] The present invention provides a method for repositioning the loading and unloading path of a tooth mold on a measuring instrument. The method is performed by the following steps: the first, second, and third positioning points, which are selected as equal height points on the tooth mold surface, are aligned. Step 1: Preliminary calibration. The first, second, and third positioning points form a triangle. The fine-tuning knob is adjusted so that the angles of the tooth mold are close to the first, second, and third adjustment screws, respectively, and the heights of the first, second, and third positioning points are as equal as possible, completing the preliminary calibration. Step 2: Precise calibration. First, using the second adjustment screw as a reference, use the tip of the measuring needle to measure the height of the second positioning point, and adjust the first adjustment screw to adjust the height of the first positioning point so that the first positioning point and the second positioning point are at the same height and confirm the height with the measuring needle. Then adjust the third adjustment screw to adjust the height of the third positioning point so that the first positioning point and the third positioning point are at the same height. Then adjust the first adjustment screw to adjust the height of the first positioning point so that the first positioning point and the second positioning point are at the same height. After repeated adjustments, the first positioning point, the second positioning point, and the third positioning point are at the same height, and the tooth mold is in the correct angular direction.

[0015] The main purpose of the dental measuring device of the present invention is that the adjustment base can adjust the angle and direction of the tooth model, so that the first positioning point, the second positioning point, and the third positioning point can be preliminarily brought close to the first adjustment screw, the second adjustment screw, and the third adjustment screw, respectively, so as to quickly complete the preliminary correction. The local height of the tooth model can be adjusted by the first adjustment screw, the second adjustment screw, or the third adjustment screw, and three-point positioning can be performed quickly, intuitively, simply, and accurately. The axis seat, the first measuring arm, and the second measuring arm can pivot with each other, and cooperate with the measuring needle to quickly measure the height of the first positioning point, the second positioning point, and the third positioning point for measurement, thereby improving efficiency.

[0016] The main purpose of the measurement method of the present invention is to be able to perform iterative approximation between the third positioning point and the second positioning point to reduce the height error after the first positioning point and the second positioning point are adjusted to the same height, so as to quickly put the first positioning point, the second positioning point, and the third positioning point in the same height state, so that the tooth model is in the correct angle and direction, which is beneficial to the collaborative work of doctors and tooth model technicians and has the effect of further improving work efficiency.

[0017] Other objects, advantages and novel features of the present invention will become more apparent from the following detailed description and the associated drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a perspective view of the present invention.

[0019] Figure 2 1 is an exploded view of the analyzer of the present invention.

[0020] Figure 3 1 is an exploded view of the analytical clamp of the present invention.

[0021] Figure 4 It is a cross-sectional view of the present invention.

[0022] Figure 5 This is a schematic diagram of the present invention with the addition of a measuring needle and a clamping tooth mold.

[0023] Figure 6 Schematic diagram of the pivoting analyzer measuring the tooth die according to the present invention.

[0024] Figure 7 Schematic diagram of adjusting the angle of the clamping table according to the present invention.

[0025] Figure 8 This is a schematic diagram of adjusting the height of the clamping table using adjustment screws according to the present invention.

[0026] Figure 9 This is a schematic diagram of adjusting the relative positions of the positioning point and the adjusting screw before analysis of the present invention.

[0027] Figure 10 This is a top view of the relative positions of the positioning points and the adjusting screws before analysis of the present invention, showing the positions of the positioning points close to the adjusting screws.

[0028] Figure 11 Schematic diagram of the tooth mold and positioning points of the present invention.

[0029] Figure 12 FIG. 1 is a schematic diagram of presenting positioning points in a projection manner according to the present invention.

[0030] Figure 13 Schematic diagram of the first positioning point of the analysis method of the present invention.

[0031] Figure 14 Schematic diagram of the second positioning point of the present invention.

[0032] Figure 15 FIG. 1 is a schematic diagram showing the first calibration in a projection manner according to the present invention.

[0033] Figure 16 Schematic diagram of the third positioning point of the analysis method of the present invention.

[0034] Figure 17 Schematic diagram of the projection of adjusting the third adjusting screw according to the present invention.

[0035] Figure 18 FIG. 4 is a schematic diagram showing the second calibration in a projection manner according to the present invention.

[0036] Figure 19 FIG. 4 is a schematic diagram showing the third calibration in a projection manner according to the present invention.

[0037] Figure 20 Schematic diagram of adjusting the first adjusting screw according to the present invention.

[0038] Figure 21 Schematic diagram of the projection of adjusting the first adjusting screw according to the present invention.

[0039] Figure 22 FIG. 4 is a schematic diagram showing the fourth correction in a projection manner according to the present invention.

[0040] Figure 23 FIG. 4 is an enlarged schematic diagram showing the fourth correction in a projection manner according to the present invention.

[0041] Figure 24 This is one of the schematic diagrams of the actual tooth mold of the present invention.

[0042] Figure 25 This is the second schematic diagram of the actual tooth mold of the present invention.

[0043] Figure 26 It is a stereoscopic diagram of an existing traditional dental analyzer.

[0044] Explanation of symbols:

[0045] Existing parts:

[0046] Traditional dental measuring device - (90) measuring stand - (91)

[0047] Ball joints----(92)

[0048] Part of the present invention:

[0049] Dental measuring device---(1)

[0050] Analyzer-----(10) Ball spring screw--(101)

[0051] Measuring rod locking screw - (102) Sliding bushing - (103)

[0052] Pivot shaft-----(104) Stop screw arm----(105)

[0053] Screw cap -----(106) Gasket ------(107)

[0054] Bearing part-----(108) Stop screw----(109)

[0055] Base ------(11) Screws -----(111)

[0056] Axle seat --- (12) Pivot shaft --- (121)

[0057] First measuring arm----(13) Axis hole------(131)

[0058] First mounting hole---(1311) First pivot hole---(132)

[0059] Second mounting hole---(1321) Second measuring arm----(14)

[0060] Second pivot hole---(141) Third mounting hole---(1411)

[0061] Measuring rod hole----(142) Fourth mounting hole---(1421)

[0062] Measuring rod bushing---(143) Measuring rod-----(15)

[0063] Measuring needle-----(151) Stopper-----(152)

[0064] Analysis clamping seat----(20) Clamping table-----(21)

[0065] Clamping adjustment part---(211) Rotating part-----(212)

[0066] Adjusting the base ----(22) Fine-tuning parts -----(221)

[0067] Fine-tuning knob----(222) Top sleeve------(23)

[0068] Tooth mold------(30)

[0069] First positioning point---(A)

[0070] Second positioning point---(B)

[0071] The third anchor point (C)

[0072] First adjusting screw--(O)

[0073] Second adjusting screw--(P)

[0074] Third adjusting screw - (Q) DETAILED DESCRIPTION

[0075] To further understand and appreciate the purpose, features and effects of the present invention, please refer to the following [Brief Description of the Figures] for details:

[0076] Please first Figures 1 to 6 As shown, the present invention provides a dental surveyor (1), which includes a surveyor (10) and a surveyor table (20), wherein:

[0077] The simplified form of the analyzer (10) of the present invention is as follows: the analyzer (10) includes a base (11) (surveyor plateform), a vertical collum (12), a first surveying arm (13) (first surveying arm), a second surveying arm (14) (second surveying arm), and a vertical spindle (15). The vertical collum (12) is locked on the base (11). The first surveying arm (13) is pivotally connected to the vertical collum (12). The second surveying arm (14) is pivotally connected to the first surveying arm (13), so that the vertical collum (12), the first surveying arm (13), and the second surveying arm (14) can pivot with each other. The second surveying arm (14) is equipped with the analyzing rod (15). The analyzing rod (15) is equipped with an analyzing rod (151) for analyzing a tooth mold (30) (cast).

[0078] The complete form of the analyzer (10) of the present invention is as follows: the analyzer (10) comprises a base (11), an axis seat (12), a first measuring arm (13), a second measuring arm (14), and a measuring rod (15), wherein the axis seat (12) is locked on the base (11), a pivot shaft (121) is provided on the top of the axis seat (12), the first measuring arm (13) is penetrated by an axis hole (131) and a first pivot hole (132) (first hinge hole), the side surfaces of the axis hole (131) and the first pivot hole (132) are respectively provided with a first installation hole (1311) (first insertion hole) and a second installation hole (1321) (second insertion hole), the pivot shaft (121) of the axis seat (12) is penetrated in the axis hole (131), the second measuring arm (14) is penetrated by a second pivot hole (141) (second hinge hole), and the first measuring arm (15) is penetrated by a second pivot hole (142) (second hinge hole). The second pivot hole (141) and the measuring rod hole (142) are respectively provided with a third insertion hole (1411) and three fourth insertion holes (1421) on the side thereof. The measuring rod hole (142) is provided with a measuring rod bushing (143) (copper bush). The fourth mounting holes (1421) are locked with several ball point set screws (101) to assemble the measuring rod bushing (143) in the fourth mounting holes (1421). A measuring rod (15) is passed through the measuring rod bushing (143). The measuring rod (15) can be equipped with a measuring needle (151) for measuring a tooth die (30). The top of the measuring rod (15) is locked with a top stop (152) (stop The top stopper (152) can be pressed against the measuring rod bushing (143) to limit the moving range of the measuring rod (15). The upper and lower fourth mounting holes (1421) are locked with a ball spring screw (101). The ball spring screw (101) gives the measuring rod (15) an average pressure to eliminate the tolerance of the measuring rod (15) in the measuring rod bushing (143) to improve the accuracy. The middle fourth mounting hole (1421) is fixed with a ball spring screw (101). 421) is locked with a metering rod locking screw (102) against the metering rod (15). Tightening or loosening the metering rod locking screw (102) can adjust and fix the position of the metering rod (15). The first pivot hole (132) and the second pivot hole (141) are each penetrated by a sliding bushing (103). The two sliding bushings (103) are passed through by a pivot shaft (104).A stop screw (109) is locked in the second mounting hole (1321) against the pivot shaft (104) to fix the pivot shaft (104), so that the axis seat (12), the first measuring arm (13), and the second measuring arm (14) can pivot relative to each other. The first measuring arm (13) is locked in the first mounting hole (1311) and the pivot shaft (121) by a stop screw arm (105). ) to adjust and fix the angle between the axis seat (12) and the first measuring arm (13); the second measuring arm (14) is locked in the third mounting hole (1411) with a stop screw arm (105) and abuts against the pivot shaft (104) to adjust and fix the angle between the first measuring arm (13) and the second measuring arm (14); a screw lock cover (106) (cover screw) is provided on the top of the pivot shaft (121) and the pivot shaft (104) to limit its top position; the first measuring arm (13) and the second measuring arm (14) are provided with several washers (107) (washers) and several bearings (108) (thrust bearings) to enhance the smoothness of the pivot; the washers (107) are used to protect the bearings (108) below them, thereby achieving a mutually pivoting linkage relationship among the axis seat (12), the first measuring arm (13) and the second measuring arm (14).

[0079] The surveyor clamping seat (20) comprises a clamping table (21) and an adjusting base (22). The surveyor clamping seat (20) is placed on the base (11). The clamping table (21) can be used to clamp a tooth mold (30) and is provided with a clamping adjustment portion (211) (cast holding knob) for adjusting the tightness of the clamping. A spherical rotating portion (212) (swivel ball) is provided at the bottom of the clamping table (21). A fine adjustment device (221) is provided at the center of the adjusting base (22). The fine adjustment device (221) is locked with a fine adjustment knob (222) (tilting adjustment The rotating part (212) is clamped on the fine-tuning part (221). The fine-tuning knob (222) can be rotated to loosen the fine-tuning part (221) to adjust the rotating part (212) and change the angle and direction of the clamping platform (21). A top cover (23) (swivel ball housing) is provided on the top of the adjustment base (22) to limit the position of the rotating part (212). The adjustment base (22) is locked with a first adjustment screw (O) (first base adjustment screw), a second adjustment screw (P) (second base adjustment screw), and a third adjustment screw (Q) (third base adjustment screw). By moving the first adjustment screw (O), the second adjustment screw (P), or the third adjustment screw (Q) forward and backward, the height of the first positioning point, the second positioning point, or the third positioning point of the tooth mold on the clamping platform (21) corresponding to the first adjustment screw (O), the second adjustment screw (P), or the third adjustment screw (Q) is changed, thereby achieving a three-point positioning adjustment effect.

[0080] The present invention provides a dental measuring device (1), wherein the measuring rod bushing (143) is made of copper, and the measuring rod bushing (143) is made of a copper column with a hole drilled in the center.

[0081] The present invention provides a dental measuring device (1), wherein the bearing portion (108) is a thrust bearing having high parallelism and accuracy when pivoting.

[0082] Depend on Figure 2 As shown, the present invention provides a dental measuring device (1), wherein the axis seat (12) is locked on the base (11) from bottom to top by several screws (111).

[0083] Depend on Figure 3As shown, the present invention provides a dental measuring device (1), wherein the first adjusting screw (O), the second adjusting screw (P), and the third adjusting screw (Q) are evenly arranged on the adjusting base (22).

[0084] Depend on Figure 7 As shown, the present invention provides a method for determining the path of insertion and removal of a cast on a dental surveyor using a dental surveyor (1). The dentist adjusts the angle of the cast (30) with the fine-tuning knob (222) to preliminarily determine the front-back and left-right inclination of the cast. Figure 10 As shown, the tooth mold is moved forward and backward and left and right to the positions of the first adjusting screw, the second adjusting screw, and the third adjusting screw. Figure 8 As shown, since adjusting one of the first adjusting screw (O), the second adjusting screw (P), or the third adjusting screw (Q) does not affect the other two at the same time, the first adjusting screw (O), the second adjusting screw (P), or the third adjusting screw (Q) can be used to accurately adjust the front-back and left-right inclination of the tooth mold (30). Therefore, it can be determined that adjusting the first adjusting screw, the second adjusting screw, or the third adjusting screw can accurately adjust the front-back and left-right directions of the tooth mold. Figure 24 、 25 As shown, the measuring needle (151) measures (surveying) the tooth portion of the dental cast (30) to serve as a reference for the insertion angle (path of insertion) during denture manufacturing, accurately adjusting and determining the insertion and removal path of the dental cast (30), so that the manufactured denture can be worn at a better angle. Thus, a measuring method for accurately determining the insertion and removal path of a dental cast (determining the path of insertion of a cast on a dental surveyor) is provided.

[0085] Depend on Figures 7 to 11As shown, the present invention provides a measurement method for recording and reproducing the path of insertion of acast on a dental surveyor using a dental surveyor (1), which is performed by the following steps: (1) recording the insertion and removal path of the dental cast (30); after the dentist measures the dental cast (30) on the dental surveyor, he determines the direction and inclination of the dental cast, i.e., the insertion and removal path, and uses a three-point contour positioning method (Tripoding) to determine the insertion and removal path. (1) a method for reproducing the loading and removal path of the tooth mold; the tooth mold technician must reproduce the loading and removal path of the tooth mold (30) determined by the dentist on a dental measuring instrument before making the denture; the tooth mold technician adjusts the position and angle of the tooth mold (30) on the dental measuring instrument (1) so that the first positioning point (A), the second positioning point (B), and the third positioning point (C) are adjusted to the same height to reproduce the loading and removal path of the tooth mold (30).

[0086] Depend on Figure 11 As shown, the present invention provides a method for reproducing the path of insertion of a cast on a dental surveyor using a dental surveyor (1), which is performed by the following steps: selecting the same height points on the surface of the dental cast (30), and having a first positioning point (A), a second positioning point (B), and a third positioning point (C). The first positioning point (A), the second positioning point (B), and the third positioning point (C) form a triangle. Figure 7 As shown, the fine-tuning knob (222) is rotated. Rotating the fine-tuning knob (222) can loosen the fine-tuning member (221) to adjust the rotating portion (212) and change the angle and direction of the clamping platform (21). Figure 9 、 Figure 10 As shown, the angle direction of the tooth mold (30) is adjusted so that the first positioning point (A), the second positioning point (B), and the third positioning point (C) are respectively close to the first adjustment screw (O), the second adjustment screw (P), and the third adjustment screw (Q) and at the same time the heights of the first positioning point (A), the second positioning point (B), and the third positioning point (C) are as consistent as possible to complete the preliminary calibration. Figure 13 、 Figure 14As shown, first use the second adjustment screw (P) as a reference, use the tip of the measuring needle (151) to measure the height of the second positioning point (B), and adjust the first adjustment screw (O) to adjust the height of the first positioning point (A) so that the first positioning point (A) and the second positioning point (B) are at the same height and confirm the height with the measuring needle (151). Figure 16 As shown, adjust the third adjusting screw (Q) to adjust the height of the third positioning point (C) so that the first positioning point (A) and the third positioning point (C) are at the same height. Figure 13 As shown, the first adjustment screw (O) is then adjusted to adjust the height of the first positioning point (A) so that the first positioning point (A) is at the same height as the second positioning point (B). After repeated adjustments, the first positioning point (A), the second positioning point (B), and the third positioning point (C) are at the same height, so that the tooth model (30) is in the correct angle direction. This facilitates the collaborative work of the doctor and the dental model technician, further improving work efficiency and the accuracy of denture production.

[0087] The measuring method of the dental measuring device of the present invention is explained in detail as follows: the angular direction of the tooth model (30) is adjusted by the fine adjustment handle (222), and the front-back and left-right inclination of the tooth model is preliminarily determined, so that the first positioning point (A), the second positioning point (B), and the third positioning point (C) are respectively close to the first adjustment screw (O), the second adjustment screw (P), and the third adjustment screw (Q). Therefore, it can be determined that when the first adjustment screw (O), the second adjustment screw (P), or the third adjustment screw (Q) is adjusted to adjust the first positioning point (A), the second positioning point (B), or the third positioning point (C), the height change of one point can be greater than that of the other two.

[0088] Depend on Figures 7 to 10 As shown, a method for reproducing the path of insertion of a cast on a dental surveyor is provided. Step 1: Use the fine-tuning knob (222) to adjust the angle and position of the dental cast (30) so that the first positioning point (A), the second positioning point (B), and the third positioning point (C) on the dental cast are close to the first adjustment screw (O), the second adjustment screw (P), and the third adjustment screw (Q), respectively, and the first positioning point (A), the second positioning point (B), and the third positioning point (C) are close to the same height.

[0089] Depend on Figure 12As shown, using the principles of projective geometry, the projections of the first adjustment screw (O), the second adjustment screw (P), and the third adjustment screw (Q) onto the H plane, the V plane, and the L plane are referred to as points O, P, and Q, and the lines connecting two of them are referred to as the OP line, the PQ line, and the OQ line.

[0090] In addition, the first positioning point (A), the second positioning point (B), and the third positioning point (C) projected onto the H plane, the V plane, and the L plane are referred to as points A, B, and C below for easy reading and understanding.

[0091] Depend on Figure 12 As shown, using the principle of projective geometry, it is assumed that point O is the contact point between the first adjusting screw (O) and the base (11), point P is the contact point between the second adjusting screw (P) and the base (11), and point Q is the contact point between the third adjusting screw (Q) and the base (11). In addition, there is an H plane, a V plane, and an L plane in the three-dimensional coordinate system. The H plane is the imaginary plane of the base (11). Points O, P, and Q must be in the H plane. The V plane is the plane through which the OP line passes and is perpendicular to the OP line. The L plane is the plane through which the PQ line passes and is perpendicular to the PQ line. The V plane and the L plane are respectively perpendicular to the H plane, but the V plane and the L plane are not necessarily perpendicular to each other.

[0092] Depend on Figures 13 to 14 As shown, a method for reproducing the path of insertion of a cast on a dental surveyor is provided. Step 2: Use the first adjustment screw (O) to adjust the height of the first positioning point (A), and use the second adjustment screw (P) to adjust the height of the second positioning point (B) so that the first positioning point (A) and the second positioning point (B) are at the same height.

[0093] Depend on Figure 15 As shown, using the principles of projective geometry, the projection diagram of points A, B, and C on the V plane is that points A and B are at the same height, point C is relatively low, the height difference between the three points is hc, and the OP line coincides at one point.

[0094] Depend on Figure 16 As shown, in step 3, use the third adjusting screw (Q) to adjust the height of the third positioning point (C) so that the first positioning point (A) and the third positioning point (C) are at the same height. Figure 17 As shown, at this time, points A, B, and C rotate around the OP line.

[0095] Depend on Figure 18As shown, using the principles of projective geometry, points A, B, and C in the projection diagram of the V plane are rotated around OP to the same height as points A and C. The original relationship between points A and B in step 2 has changed. The height difference between the three points is hb. The mathematical relationship is hc:hb=AC:AB, and hc is much greater than hb. It can be seen that the height difference between the three points has been reduced.

[0096] Depend on Figure 19 As shown, using the principles of projective geometry, at this time, in the projection diagram of point A, point B, and point C on the L plane, point A and point C are at the same height, but point B is higher. The height difference between the three points is hb, and the PQ line coincides at one point.

[0097] Depend on Figure 20 As shown, in step 4, use the first adjustment screw (O) to adjust the height of the first positioning point (A) so that the first positioning point (A) and the second positioning point (B) are at the same height. Figure 21 As shown, at this time, points A, B, and C rotate around line PQ.

[0098] Depend on Figure 22 As shown, using the principles of projective geometry, in the projection diagram of points A, B, and C on the L plane, points A and B are at the same height, while point C is lower. The height difference between the three points is hc", and the PQ line coincides at a point.

[0099] Based on the above principle, we can find that the height difference of the three points decreases from hc to hb, and then to hc", gradually decreasing to an almost indistinguishable size, thus making the three points equal in height.

[0100] Therefore, by repeatedly adjusting the height of the adjustment screw, the height difference between the three positioning points will become smaller and smaller until the first positioning point (A), the second positioning point (B), and the third positioning point (C) are at the same height. The user can then adjust the tooth cast (30) to the correct angle and complete the repositioning of the tooth cast on the dental surveyor (reproducing the path of insertion of a cast on a dental surveyor).

[0101] Depend on Figure 24 and Figure 25 As shown, the measuring needle (151) measures the tooth portion of the tooth mold (30) for use as a reference for the wearing angle when manufacturing the denture, so that the manufactured denture can be worn at a better angle.

[0102] In summary, the dental measuring device and measuring method of the present invention have the following advantages: (1) The loading and unloading path of the tooth mold (30) can be accurately adjusted. When adjusting one of the first adjusting screw (O), the second adjusting screw (P), or the third adjusting screw (Q), the other two will not be affected at the same time, so the front-back and left-right inclination of the tooth mold (30) can be accurately adjusted; (2) The adjustment base (22) can adjust the angle and direction of the tooth mold (30), so that the first positioning point (A), the second positioning point (B), and the third positioning point (C) can be preliminarily brought close to the first adjusting screw (O), the second adjusting screw (P), and the third adjusting screw (Q), respectively, and at the same time the first positioning point (A), the second positioning point (B), and the third positioning point (C) can be preliminarily brought close to the first adjusting screw (O), the second adjusting screw (P), and the third adjusting screw (Q), respectively. (A), the heights of the second positioning point (B), and the third positioning point (C) are as equal as possible, thereby quickly completing the preliminary correction; (3) the local height of the tooth die (30) can be adjusted by the first adjusting screw (O), the second adjusting screw (P), and the third adjusting screw (Q), and the three-point equal height positioning can be performed quickly, intuitively, simply, and accurately; (4) the use of thrust bearings can eliminate the parallelism error caused by the shaft hole tolerance between the first measuring arm (13) and the second measuring arm (14) and between the first measuring arm (13) and the shaft center seat (12), and the use of The ball spring screw (101) eliminates the verticality error caused by the axial hole tolerance between the measuring rod (15) and the measuring rod bushing (143), so that the axis seat (12), the first measuring arm (13), the second measuring arm (14), and the measuring rod (15) can pivot relative to each other and maintain extremely high parallelism and verticality; (5) the axis seat (12), the first measuring arm (13), and the second measuring arm (14) can pivot relative to each other, and cooperate with the measuring needle (151) to quickly measure the first positioning point (A), the second positioning point (B), and the third positioning point (C). (6) The measuring method of the present invention can, after the first positioning point (A) and the second positioning point (B) are adjusted to the same height, perform iterative approximation between the third positioning point (C) and the second positioning point (B) to reduce the height error, thereby quickly placing the first positioning point (A), the second positioning point (B), and the third positioning point (C) at the same height, thereby placing the tooth mold (30) at the correct angle and direction, facilitating the collaborative work of doctors and tooth mold technicians, and further improving work efficiency.

[0103] The above content is only a preferred embodiment of the present invention and should not be used to limit the scope of implementation of the present invention; that is, all equivalent changes and modifications made according to the scope of the patent application of the present invention should still fall within the scope of the patent of the present invention.

Claims

1. A dental measuring device, characterized in that: It includes a analyzer and an analyzer holder, wherein: The analyzer includes a base, a shaft seat, a first measuring arm, a second measuring arm, and a measuring rod. The shaft seat is locked on the base. The first measuring arm is pivotally connected to the shaft seat. The second measuring arm is pivotally connected to the first measuring arm, so that the shaft seat, the first measuring arm, and the second measuring arm can pivot relative to each other. The second measuring arm is equipped with the measuring rod, and the measuring rod is equipped with a measuring needle for measuring a tooth mold.

7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod.

2. The dental measuring device according to claim 1, wherein The axis seat lock is arranged on the base, and a pivot shaft is provided on the top of the axis seat. The first measuring arm passes through an axis hole and a first pivot hole. The axis hole and the side of the first pivot hole are respectively provided with a first mounting hole and a second mounting hole. The pivot shaft of the axis seat is passed through the axis hole. The second measuring arm passes through a second pivot hole and a measuring rod hole. The second pivot hole and the side of the measuring rod hole are respectively provided with a third mounting hole and three fourth mounting holes. The measuring rod hole is provided with a measuring rod bushing. The hole lock is provided with several ball spring screws to set the measuring rod bushing assembly in the fourth mounting hole, a measuring rod is passed through the measuring rod bushing, the measuring rod can be equipped with a measuring needle for measuring a tooth die, the top of the measuring rod is locked with a top stop portion, so that the top stop portion can be pressed against the measuring rod bushing to limit the moving range of the measuring rod, the upper and lower fourth mounting hole locks are provided with a ball spring screw, the ball spring screw gives the measuring rod an average pressure to eliminate the tolerance of the measuring rod in the measuring rod bushing to improve accuracy The fourth mounting hole in the middle is locked with a measuring rod locking screw against the measuring rod. Tightening or loosening the measuring rod locking screw can adjust and fix the position of the measuring rod. The first pivot hole and the second pivot hole are each penetrated by a sliding bushing. The sliding bushing passes through a pivot shaft. A stop screw is locked in the second mounting hole and against the pivot shaft to fix the pivot shaft, so that the axis seat, the first measuring arm, and the second measuring arm can pivot relative to each other. The first measuring arm is locked to the first measuring arm with a stop screw arm The mounting hole and the pivot shaft are used to adjust and fix the angle between the axis seat and the first measuring arm. The second measuring arm is locked to the third mounting hole with a stop screw arm and rests on the pivot shaft to adjust and fix the angle between the first measuring arm and the second measuring arm. A screw lock cover is provided on the pivot shaft and the top of the pivot shaft to limit its top position. The first measuring arm and the second measuring arm are provided with several gaskets and several bearings to enhance the smoothness of the pivot, thereby achieving a mutually pivoting linkage relationship among the axis seat, the first measuring arm and the second measuring arm.

3. The dental measuring device according to claim 2, wherein: The measuring rod bushing is made of copper and is made of a copper column with a hole drilled in the center.

4. The dental measuring device according to claim 2, wherein: The bearing portion is a thrust bearing.

5. The dental measuring device according to claim 2, wherein: The shaft seat is locked on the base from bottom to top by several screws.

6. The dental measuring device according to claim 2, wherein: The first adjusting screw, the second adjusting screw, and the third adjusting screw are evenly arranged on the adjusting base.

7. A measuring method for accurately determining the loading and removal paths of a tooth mold on a dental measuring device using the dental measuring device according to any one of claims 1 to 6, characterized in that: The method is performed by the following steps: the dentist adjusts the angle direction of the tooth model with the fine-tuning knob to preliminarily determine the front-back and left-right inclination of the tooth model, and makes the front-back and left-right directions of the tooth model close to the positions of the first adjustment screw, the second adjustment screw, and the third adjustment screw, respectively. Therefore, the dentist can determine whether to adjust the first adjustment screw, the second adjustment screw, or the third adjustment screw to adjust the front-back and left-right inclination of the tooth model.

8. A measuring method for recording and reproducing the loading and removing paths of a tooth mold on the dental measuring device using the dental measuring device according to any one of claims 1 to 6, characterized in that: It is carried out by the following steps: The loading and unloading path of the dental model is recorded. After measuring the dental model on a dental measuring device, the dentist determines the direction and inclination of the dental model, i.e., the loading and unloading path. Using the three-point contour positioning method, three separate contour points are selected on the surface of the dental model, i.e., a first positioning point, a second positioning point, and a third positioning point. The dentist then hands the dental model to a dental technician to continue reconstructing the loading and unloading path of the dental model for denture fabrication. To reproduce the loading and removal path of the dental model, the dental technician must reproduce the loading and removal path of the dental model determined by the dentist on a dental measuring instrument before making dentures. The dental technician adjusts the position and angle of the dental model on the dental measuring instrument so that the first positioning point, the second positioning point, and the third positioning point are adjusted to the same height to reproduce the loading and removal path of the dental model.

9. A method for repositioning a loading and unloading path of a tooth mold on a dental measuring device using the dental measuring device according to any one of claims 1 to 6, characterized in that: It is carried out by the following steps: A first positioning point, a second positioning point, and a third positioning point are selected on the surface of the tooth mold at equal heights. The first positioning point, the second positioning point, and the third positioning point form a triangle. The fine-tuning knob is rotated to loosen the fine-tuning member so as to adjust the rotating portion and change the angle and direction of the clamping table. The angular direction of the tooth mold is adjusted so that the first positioning point, the second positioning point, and the third positioning point are respectively close to the first adjustment screw, the second adjustment screw, and the third adjustment screw. At the same time, the heights of the first positioning point, the second positioning point, and the third positioning point are as consistent as possible to complete the preliminary calibration. Then, the first positioning point is used as the first adjusting screw, the second adjusting screw, and the third adjusting screw are used as the second adjusting screw. Using the second adjustment screw as a reference, use the tip of the measuring needle to measure the height of the second positioning point, and adjust the first adjustment screw to adjust the height of the first positioning point so that the first positioning point is at the same height as the second positioning point and confirm the height with the measuring needle. Then adjust the third adjustment screw to adjust the height of the third positioning point so that the first positioning point is at the same height as the third positioning point. Then adjust the first adjustment screw to adjust the height of the first positioning point so that the first positioning point is at the same height as the second positioning point. After repeated adjustments, the first positioning point, the second positioning point, and the third positioning point are at the same height, so that the tooth mold is in the correct angle direction.

Images