An auxiliary device for making dental records

CN224655440UActive Publication Date: 2026-08-21PEKING UNIV SCHOOL OF STOMATOLOGY
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Patent Information

Application Number
CN202521975013.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2026-08-21
Estimated Expiration
2035-09-15

AI Technical Summary

Technical Problem

1、传统的利用口腔印模对患者的咬合关系进行确定时,需要多次观察和反复取出患者口腔中的口腔印模进行调改,增加了人工成本,同时也减小了工作效率

Benefits of technology

1、本实用新型通过中部颌托板、侧部颌托板、侧缘和大通孔的设置,患者只需口腔医师的指导下进行咬合动作即可,进而无需多次观察和反复取出患者口腔中的本装置进行调改,减少了人工成本,同时也提高了工作效率。

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Abstract

The utility model relates to an auxiliary preparation device for dental arch record, including middle part jaw support board, side part jaw support board and side edge, the middle part jaw support board includes the upper jaw and the tongue contact surface opposite with the upper jaw, the number of side part jaw support board is at least two, and two side part jaw support board sets up in the both sides of middle part jaw support board respectively, side part jaw support board includes alveolar placement surface and the mounting surface opposite with alveolar placement surface, and alveolar placement surface and the upper jaw are combined to face the same direction, and the big through -hole is set up on side part jaw support board, the number of side edge is at least two, and two side edges set up respectively in two side part jaw support board away from the one end of middle part jaw support board, and the one end of side edge close to side part jaw support board can be combined with the alveolar ridge lateral edge of patient's maxillary. The utility model can reduce the artificial cost, improve work efficiency, also will not be higher to the skill level requirement of operating personnel, guarantees the precision of occlusal relationship.
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Description

Technical Field

[0001] This utility model relates to the field of oral medical device technology, and in particular to an auxiliary device for recording dental data. Background Technology

[0002] When all teeth are missing (i.e., edentulous jaw) or a large area of ​​teeth is missing, it can cause various problems for patients, such as chewing dysfunction, changes in facial appearance, and unclear speech. Therefore, it is necessary to restore the patient's oral cavity in a timely manner. For example, based on the patient's occlusal relationship and jaw position data, dentures can be implanted in the patient's oral cavity to restore the patient's oral cavity.

[0003] Digital scanning technology is a novel method for oral restoration in edentulous patients or patients with large areas of missing teeth. It first requires taking oral impressions and determining the occlusal relationship through patient trial fitting. Then, the oral impressions with the determined occlusal relationship are digitally scanned, and reverse registration and digital conversion are performed to obtain the digital jaw position relationship.

[0004] However, the above process has at least the following drawbacks: 1. Traditionally, determining a patient's occlusal relationship using oral impressions requires multiple observations and repeated extractions of oral impressions for adjustments, increasing labor costs and reducing work efficiency.

[0005] 2. Because it is necessary to repeatedly take oral impressions from the patient's mouth and make adjustments, the skill level of the operator is required to be high, which will affect the accuracy of the obtained occlusal relationship.

[0006] Therefore, there is an urgent need for an auxiliary recording device for dental records to address the aforementioned shortcomings. Utility Model Content

[0007] The purpose of this invention is to provide an auxiliary recording device for dental records, so as to solve the problems existing in the prior art.

[0008] To achieve the above objectives, this utility model provides the following solution: This utility model provides an auxiliary recording device for dental records, comprising a central jaw support plate, a lateral jaw support plate, and a lateral edge, wherein: The central jaw support plate includes a palatal contact surface and a tongue contact surface opposite to the palatal contact surface; The number of the side jaw support plates is at least two, and the two side jaw support plates are respectively disposed on both sides of the central jaw support plate. The side jaw support plate includes an alveolar placement surface and an mounting surface opposite to the alveolar placement surface, and the alveolar placement surface and the maxillary contact surface face the same direction. A large through hole is provided on the side jaw support plate. The number of lateral edges is at least two, and the two lateral edges are respectively located at the ends of the two lateral jaw plates away from the central jaw plate. The ends of the lateral edges near the lateral jaw plates can fit against the alveolar ridge of the patient's maxilla.

[0009] According to one embodiment of the present invention, the central jaw support plate, the side jaw support plate, and the side edge are integrally formed.

[0010] According to one embodiment of the present invention, the thickness of the central jaw support plate, the side jaw support plate, and the side edge are all 1mm-2mm.

[0011] According to one embodiment of the present invention, a plurality of first small through holes are provided on the middle jaw support plate.

[0012] According to one embodiment of the present invention, a plurality of second small through holes are provided on both the side jaw support plate and the side edge.

[0013] According to one embodiment of the present invention, an avoidance groove is provided on the side edge, and the avoidance groove is provided in correspondence with the patient's buccal frenulum.

[0014] According to one embodiment of the present invention, a protrusion is mounted on the mounting surface, and the end of the protrusion away from the mounting surface can fit against the alveolar ridge of the patient's mandible; The protrusion has a through hole, which is coaxially arranged with the large through hole and connected to the large through hole.

[0015] According to one embodiment of the present invention, the diameter of the protrusion through hole is the same as that of the large through hole.

[0016] According to one embodiment of the present invention, a convex ring is coaxially mounted on the inner sidewall of the convex through hole, and the convex ring is located at the end of the convex through hole away from the large through hole, and the thickness of the convex ring is much smaller than the thickness of the convex through hole.

[0017] According to one embodiment of the present invention, the convex ring is integrally formed with the inner wall of the through hole of the convex block, and the convex block is integrally formed with the side jaw support plate.

[0018] Beneficial effects This utility model has at least the following technical effects: 1. With the design of the central jaw support plate, the side jaw support plate, the side edge and the large through hole, the patient only needs to perform biting actions under the guidance of the dentist, thus eliminating the need for repeated observation and removal of the device from the patient's mouth for adjustment, reducing labor costs and improving work efficiency.

[0019] 2. Since there is no need to repeatedly remove and adjust the device from the patient's mouth, it does not require a high level of skill from the operator, and therefore does not affect the accuracy of the obtained occlusal relationship. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 for Figure 1 A magnified view of a portion of point A in the middle; Figure 3 for Figure 1 A schematic diagram of the overall structure from another angle; Figure 4 for Figure 3 A schematic diagram of the overall structure from another angle; Figure 5 for Figure 4 A schematic diagram of the overall structure from another angle; Figure 6 for Figure 5 A magnified view of a portion of point B in the middle; Figure 7 for Figure 5 A schematic diagram of the overall structure from another angle.

[0022] Explanation of reference numerals in the attached figures: 1. Middle jaw support plate; 101. Maxillary occlusal surface; 102. Tongue contact surface; 2. Lateral jaw support plate; 201. Alveolar placement surface; 202. Mounting surface; 3. Lateral edge; 4. Large through hole; 401. Convex ring; 5. First small through hole; 6. Avoidance groove; 7. Protrusion; 8. Second small through hole. Detailed Implementation

[0023] The features and exemplary embodiments of various aspects of this utility model will be described in detail below. To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only configured to explain this utility model and to exemplarily illustrate the principles of this utility model, and are not configured to limit this utility model. In addition, the structural components in the drawings are not necessarily drawn to scale. For example, the dimensions of some structural components or regions in the drawings may be enlarged for other structural components or regions to aid in the understanding of the embodiments of this utility model.

[0024] The directional terms used in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of the embodiments of this utility model. In the description of this utility model, it should be noted that, unless otherwise stated, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0025] Furthermore, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a structure or component that includes a list of elements includes not only those elements but also other structural elements that are not expressly listed or inherent to the structure or component. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the article or apparatus that includes the element.

[0026] Spatial relation terms such as "below," "under," "under," "low," "above," "on," and "high" are used for descriptive convenience to explain the positioning of one element relative to a second element, indicating that these terms are intended to cover different orientations of the device, in addition to those different from those shown in the figure. Furthermore, phrases such as "one element on / below another element" can indicate that two elements are in direct contact, or that there are other elements between the two elements. In addition, terms such as "first" and "second" are also used to describe individual elements, areas, parts, etc., without specifically indicating order or sequence, and should not be considered restrictive. Similar terms are used throughout the description to represent similar elements.

[0027] For those skilled in the art, this invention can be implemented without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples.

[0028] like Figures 1-7 As shown, this utility model provides an auxiliary data acquisition device for dental recording. Figure 1 As shown, this device (i.e., an auxiliary recording device for dental records provided by this utility model) includes at least a central jaw support plate 1, a lateral jaw support plate 2, and a lateral edge 3, wherein: like Figure 1 and Figure 2 As shown, the middle jaw support plate 1 includes at least a palatal contact surface 101 and a tongue contact surface 102 opposite to the palatal contact surface 101.

[0029] In this embodiment, when the device is placed in the patient's mouth (that is, when the middle jaw support plate 1 is placed in the patient's mouth), the palatal contact surface 101 on the middle jaw support plate 1 will fit against the patient's palate, and the tongue contact surface 102 on the middle jaw support plate 1 will contact the patient's tongue, that is, the patient's tongue will be located below the tongue contact surface 102.

[0030] like Figure 1 and Figure 2 As shown, there are at least two lateral jaw supports 2, preferably two, and the two lateral jaw supports 2 are respectively disposed on both sides of the central jaw support 1. The lateral jaw support 2 includes an alveolar placement surface 201 and an mounting surface 202 opposite to the alveolar placement surface 201, and the alveolar placement surface 201 and the maxillary occlusal surface 101 both face the same direction.

[0031] In this embodiment, when the device is placed in the patient's mouth (that is, when the side jaw support plate 2 is placed in the patient's mouth), the alveolar placement surface 201 on the side jaw support plate 2 will fit against the alveolar ridge of the patient's maxilla, that is, the alveolar ridge of the patient's maxilla will be located above the side jaw support plate 2.

[0032] like Figure 1 As shown, the number of side edges 3 is at least two, preferably two, and the two side edges 3 are respectively located at the ends of the two lateral jaw plates 2 away from the central jaw plate 1 (i.e., Figure 1 The left and right ends of the lateral edge 3 are designed to fit against the side of the alveolar ridge of the patient's maxilla.

[0033] In this embodiment, when the device is placed in the patient's mouth (that is, when the side edge 3 is placed in the patient's mouth). Figure 1 The right side wall of the left lateral border 3 will fit against the side of the alveolar ridge of the patient's maxilla. Figure 1 The left side wall of the right lateral margin 3 will fit against the side of the alveolar ridge of the patient's maxilla.

[0034] like Figure 1 As shown, a large through hole 4 is provided on the side jaw support plate 2.

[0035] In this embodiment, as Figure 1 As shown, the large through hole 4 can be a circular hole structure.

[0036] In this embodiment, as Figure 1 As shown, the number of large through holes 4 opened on each side jaw support plate 2 can be one, and there is no special limitation here.

[0037] In this embodiment, in order to better match the maxillary tissue surface and dental arch of different patients (since the size of the maxillary tissue surface and dental arch varies from patient to patient), the device can be designed in three sizes: large, medium, and small.

[0038] When using this device, the inside of the oral cavity of an edentulous patient or a patient with a large area of ​​missing teeth can first be scanned using the three-dimensional scanning technology known in the art. Based on the data obtained from the scan, the device can be manufactured using the 3D printing technology known in the art to match the patient's oral cavity.

[0039] Then, occlusal recording material (e.g., heavy silicone rubber as known in the art) is applied to the lateral jaw support plate 2, and the device is placed in the patient's oral cavity. The patient then performs occlusal movements under the guidance of a dentist, at which point the occlusal recording material forms an imprint of the maxillary alveolar ridge on the alveolar placement surface 201.

[0040] At the same time, under the action of the patient's occlusion, some of the occlusion recording material will enter the mounting surface 202 side (i.e. the other side of the alveolar placement surface 201) through the large through hole 4, and form the imprint of the mandibular alveolar ridge on the mounting surface 202 side.

[0041] Once the occlusal recording material has solidified, there is no need to remove the device from the patient's mouth. The patient's jaw relationship can be obtained by directly scanning the patient's mouth using digital scanning technology known in the art. Then, dentures can be made and implanted for the patient based on the obtained occlusal and jaw relationship data.

[0042] In the above process, dentists do not need to repeatedly observe and remove the device from the patient's mouth for adjustments, thus reducing labor costs and improving work efficiency. Furthermore, because there is no need to repeatedly remove and adjust the device, the skill level required of the operator is not high, and therefore the accuracy of the obtained occlusal relationship is not affected.

[0043] Optionally, the central jaw support plate 1, the lateral jaw support plate 2, and the lateral edge 3 can all be integrally molded. Alternatively, the central jaw support plate 1, the lateral jaw support plate 2, and the lateral edge 3 can also be bonded together using adhesives known in the art, without particular limitation.

[0044] In this embodiment, the thickness of the central jaw support plate 1, the side jaw support plate 2, and the side edge 3 are all 1mm-2mm, preferably 1mm. By setting the thickness of the central jaw support plate 1, the side jaw support plate 2, and the side edge 3 to all be 1mm, the vertical height tolerance of this device in the patient's oral cavity can be increased, reducing the patient's discomfort.

[0045] like Figure 1 As shown, several first small through holes 5 are provided on the middle jaw support plate 1.

[0046] In this embodiment, as Figure 1 As shown, the number of the first small through holes 5 is not particularly limited, and can be 500,000. Figure 1 The twelve shown can be arranged evenly in groups of three on the central jaw support plate 1. The first small through-hole 5 can be a circular hole, and its diameter can be smaller than that of the large through-hole 4.

[0047] With the first small through-hole 5, a cushioning material (such as lightweight silicone rubber known in the art) can be applied to the central jaw support 1 during use. This cushioning material is evenly distributed between the central jaw support 1 and the patient's palate through the first small through-hole 5, thereby ensuring a more uniform fit between the central jaw support 1 and the patient's palate. This provides a buffering effect, reducing patient discomfort. Simultaneously, because the cushioning material has a certain viscosity, it also allows for temporary adhesion between the central jaw support 1 and the patient's palate, ensuring the device's firmness and stability within the patient's oral cavity.

[0048] like Figure 3 , Figure 4 , Figure 5 and Figure 7 As shown, several second small through holes 8 are provided on both the side jaw support plate 2 and the side edge 3.

[0049] In this embodiment, the number of second small through holes 8 is not particularly limited, and can be any number of them. Figure 3 The diagram shows three openings on the side jaw support plate 2 and five openings on the side edge 3. The second small through hole 8 can be a circular hole, and its diameter can be smaller than the diameter of the large through hole 4.

[0050] Optionally, the diameter of the second small through hole 8 can be the same as the diameter of the first small through hole 5.

[0051] With the second small through-hole 8, when the patient performs biting actions under the guidance of the dentist, the biting recording material will not only enter the large through-hole 4, but also enter the second small through-hole 8 and be evenly distributed on both sides of the lateral jaw support plate 2 and the lateral edge 3, thereby forming alveolar ridge impressions of the maxilla and mandible, improving work efficiency.

[0052] like Figure 5 and Figure 6 As shown, a clearance groove 6 is provided on the side edge 3, and the clearance groove 6 is set to correspond to the position of the patient's cheek frenulum.

[0053] By setting the avoidance groove 6, when the patient performs biting action under the guidance of the dentist, the patient's buccal frenulum will not press on the lateral edge 3, but will enter the interior of the avoidance groove 6, thereby greatly reducing the patient's pain and discomfort.

[0054] like Figure 3 , Figure 4 and Figure 7 As shown, a protrusion 7 is mounted on the mounting surface 202. The end of the protrusion 7 away from the mounting surface 202 is configured to fit against the alveolar ridge of the patient's mandible, that is, the protrusion 7 is configured to correspond to the alveolar ridge of the patient's mandible. The protrusion 7 has a through hole, which is coaxially arranged with and connected to the large through hole 4.

[0055] In this embodiment, the bump through-hole can be a circular hole structure. The diameter of the bump through-hole can be the same as that of the large through-hole 4.

[0056] With the protrusion 7 in place, when using this device, the alveolar ridge of the patient's mandible will conform to the end of the protrusion 7 away from the mounting surface 202 as the patient bites, thereby improving the accuracy of the mandibular alveolar ridge imprint formed by the occlusal recording material.

[0057] Furthermore, the end of the protrusion 7 away from the mounting surface 202 can be configured as an arc-shaped structure that matches the shape of the patient's mandibular alveolar ridge, thereby further improving the accuracy of the mandibular alveolar ridge imprint formed by the occlusal recording material.

[0058] like Figure 1 and Figure 2 As shown, a protruding ring 401 is coaxially mounted on the inner wall of the through hole of the protrusion. Preferably, the protruding ring 401 is located at the end of the through hole of the protrusion away from the large through hole 4. The thickness of the protruding ring 401 is much smaller than the thickness of the through hole of the protrusion, and the diameter of the inner wall of the protruding ring is not much smaller than the diameter of the through hole of the protrusion.

[0059] With the convex ring 401 in place, when the device is finished and removed from the patient's mouth, the convex ring 401 will engage with the cured occlusal recording material (the convex ring 401 will form a mortise and tenon structure with the cured occlusal recording material), thereby reducing the possibility of the occlusal recording material breaking inside the patient's mouth when the device is removed from the patient's mouth. This eliminates the need to clean broken or damaged occlusal recording material inside the patient's mouth, reducing labor costs and improving work efficiency.

[0060] Optionally, the protruding ring 401 can be integrally formed with the inner wall of the protrusion through hole, and the protrusion 7 can be integrally formed with the side jaw support plate 2. At the same time, the protruding ring 401 and the protrusion through hole, and the protrusion 7 and the side jaw support plate 2 can also be bonded with adhesives known in the art, without any particular limitation.

[0061] Furthermore, the central jaw support plate 1, the lateral jaw support plate 2, the lateral edge 3, and the protrusion 7 can all be made of medical-grade titanium alloy, as is known in the art. This allows for high-temperature sterilization and repeated use, reducing material waste and thus lowering treatment costs, resulting in high cost-effectiveness. Simultaneously, the above-mentioned design also improves the biocompatibility of the device, preventing resin residue in the patient's oral cavity after use and avoiding irritation to the oral mucosa, reducing patient discomfort and ensuring patient health and safety.

[0062] It should be understood that, since this device can directly scan inside the patient's mouth using digital scanning technology after the patient has finished biting, it is also particularly suitable for dental and jaw recording (i.e., occlusal relationship recording and jaw position relationship recording) in the process of digital complete dentures, without having to remove the device and scan it separately after the patient has finished biting, as is the traditional method.

[0063] It should be understood that the above-described embodiments or examples of this utility model can be combined with each other and have corresponding technical effects.

[0064] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An auxiliary data acquisition device for dental recording, characterized in that, It includes a central jaw support plate (1), a lateral jaw support plate (2), and a lateral edge (3), wherein: The middle jaw support plate (1) includes a palatal contact surface (101) and a tongue contact surface (102) opposite to the palatal contact surface (101). The number of the side jaw support plates (2) is at least two, and the two side jaw support plates (2) are respectively disposed on both sides of the middle jaw support plate (1). The side jaw support plate (2) includes an alveolar placement surface (201) and an mounting surface (202) opposite to the alveolar placement surface (201). The alveolar placement surface (201) and the maxillary patency surface (101) face the same direction. The side jaw support plate (2) is provided with a large through hole (4). The number of the lateral edges (3) is at least two, and the two lateral edges (3) are respectively located at the ends of the two lateral jaw plates (2) away from the central jaw plate (1). The end of the lateral edge (3) near the lateral jaw plate (2) can fit against the side of the alveolar ridge of the patient's maxilla.

2. The auxiliary data acquisition device for dental recording according to claim 1, characterized in that, The central jaw support plate (1), the lateral jaw support plate (2), and the lateral edge (3) are integrally formed.

3. The auxiliary data acquisition device for dental recording according to claim 1, characterized in that, The thickness of the central jaw support plate (1), the side jaw support plate (2), and the side edge (3) is 1mm-2mm.

4. The auxiliary data acquisition device for dental recording according to claim 1, characterized in that, The middle jaw support plate (1) has several first small through holes (5).

5. The auxiliary data acquisition device for dental recording according to claim 1, characterized in that, Both the side jaw support plate (2) and the side edge (3) are provided with several second small through holes (8).

6. The auxiliary data acquisition device for dental recording according to claim 1, characterized in that, The side edge (3) is provided with a relief groove (6), which is provided in correspondence with the patient's cheek frenulum.

7. The auxiliary data acquisition device for dental recording according to claim 1, characterized in that, A protrusion (7) is installed on the mounting surface (202), and one end of the protrusion (7) away from the mounting surface (202) can fit against the alveolar ridge of the patient's mandible; The protrusion (7) has a through hole, which is coaxially arranged with the large through hole (4) and connected to the large through hole (4).

8. The auxiliary data acquisition device for dental recording according to claim 7, characterized in that, The diameter of the bump through hole is the same as that of the large through hole (4).

9. The auxiliary data acquisition device for dental recording according to claim 8, characterized in that, A protruding ring (401) is coaxially mounted on the inner wall of the protrusion through hole, and the protruding ring (401) is located at the end of the protrusion through hole away from the large through hole (4). The thickness of the protruding ring (401) is much smaller than the thickness of the protrusion through hole.

10. The auxiliary data acquisition device for dental recording according to claim 9, characterized in that, The convex ring (401) is integrally formed with the inner wall of the through hole of the convex block, and the convex block (7) is integrally formed with the side jaw support plate (2).