Implant tooth guide plate based on 3D printing

Abstract

The invention relates to the technical field of dental implant guide plates, and discloses a dental implant guide plate based on 3D printing, the dental implant guide plate comprises a guide plate body and a positioning hole, the guide plate body is of an arc-shaped structure, and the guide plate body is integrally formed through a 3D printing technology and is matched with a dental arch of a patient in shape; the positioning holes are formed in the surface of the guide plate body and used for guiding an implant to be implanted. The guide plate body is integrally formed through the 3D printing technology, meanwhile, the positions of the positioning holes are determined through patient oral cavity CT data, the dental implant guide plate is high in fitting degree with a patient dental arch, the positions of the positioning holes are accurate, meanwhile, the 3D printing technology is low in equipment cost and high in material utilization rate, the manufacturing cost of the guide plate body is reduced, and the production efficiency is improved. And the digital design and the 3D printing technology simplify the manufacturing process of the guide plate and shorten the manufacturing period, so that the dental implant guide plate has the advantages of high precision, low cost and simple and convenient manufacturing process, and is worthy of wide popularization and application.

Description

Technical Field

[0001] The present invention relates to the technical field of dental implant guides, and in particular to a dental implant guide based on 3D printing. Background Art

[0002] In dental implant surgery, the precise positioning of the implant is one of the key factors for the success of the surgery. Among them, the dental implant guide can accurately determine the direction and depth of the implant, avoid errors or complications during the surgery, and improve the safety of the surgery. Currently, the main methods for manufacturing dental implant guides are as follows: one is the traditional manual manufacturing method, which is formed by plaster models and manual cutting; the second is the numerical control machine tool processing method, which is cut by a numerical control machine tool after being designed by CAD / CAM technology; the third is the stereolithography method, which is cured by photosensitive resin under ultraviolet light irradiation.

[0003] The above three methods for manufacturing dental implant guides have the following defects: the traditional manual manufacturing method has low precision and is difficult to meet the requirements of high-precision implant surgery; the numerical control machine tool processing method has high equipment costs and is difficult to popularize; the stereolithography method has high material costs and complex processes, which limits its wide application.

[0004] Therefore, there is an urgent need for a method for manufacturing dental implant guides with low cost, high precision, and simple processes. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0006] The present invention provides a dental implant guide based on 3D printing, including: A guide plate body and positioning holes. The guide plate body is an arc-shaped structure, and the guide plate body is integrally formed by 3D printing technology and is adapted to the shape of the patient's dental arch. The positioning holes are arranged on the surface of the guide plate body for guiding the implantation of the implant, and the size and position of the positioning holes are accurately designed through the CT data of the patient's oral cavity.

[0007] By adopting the above technical solutions, the dental implant guide has a high degree of fit with the patient's dental arch, and the positions of the positioning holes are accurate. At the same time, the 3D printing technology has low equipment costs and high material utilization rates, reducing the manufacturing cost of the guide plate body. Moreover, the digital design and 3D printing technology simplify the guide plate manufacturing process and shorten the manufacturing cycle.

[0008] Preferably, the guide plate body is made of a medical-grade photosensitive resin material.

[0009] By adopting the above technical solutions, the guide plate body has good biocompatibility and mechanical strength.

[0010] Preferably, a titanium-platable coating is provided on the inner wall of the positioning hole.

[0011] By adopting the above technical solution, the wear resistance and guiding accuracy of the inner wall of the positioning hole are effectively improved.

[0012] Preferably, a fixing component for fixing the guide plate body to the healthy teeth of the patient is provided on the surface of the guide plate body.

[0013] By adopting the above technical solution, on the one hand, it is convenient to fix the two positioning frames under the action of the fixing component, and on the other hand, it is convenient to effectively fix the guide plate body sleeved on the tooth.

[0014] Preferably, the fixing component includes a connecting pipe provided inside the arc-shaped area of the guide plate body, and two symmetric telescopic columns slidably arranged on the inner wall of the connecting pipe. One end of each of the two telescopic columns away from the connecting pipe is provided with a positioning frame, and the two positioning frames are respectively clamped on the two end surfaces of the guide plate body.

[0015] By adopting the above technical solution, the fixing component can adapt to guide plate bodies of different specifications through the sliding of the telescopic columns on the inner wall of the connecting pipe.

[0016] Preferably, a rotating frame is fixedly provided at the end of the telescopic column. A rotating shaft is rotatably arranged on the inner wall of the rotating frame. A rotating block is fixedly provided on the outer surface of the positioning frame, and a fixing hole fixedly connected to the outer surface of the rotating shaft is provided on the surface of the rotating block.

[0017] By adopting the above technical solution, the angle of the positioning frame can be adjusted by the rotation of the rotating block inside the rotating frame, so as to adapt to guide plate bodies of different specifications and shapes.

[0018] Preferably, two symmetric clamping plates are slidably arranged on the inner wall of the positioning frame. A small motor for driving the two clamping plates to move towards the middle simultaneously is fixedly provided on the upper surface of the positioning frame. A charging power supply box, a button switch and a small PLC controller are also respectively fixedly provided on the upper surface of the positioning frame. A charging power supply is arranged inside the charging power supply box. Positioning columns are fixedly provided on the opposite surfaces of the two clamping plates, and through holes corresponding to each other and opposite to the positioning columns are respectively provided on the two end surfaces of the guide plate body. A cylindrical cavity is provided at the end of the positioning column, and a buffer column is slidably arranged on the inner wall of the cylindrical cavity. A rubber anti-slip pad is fixedly provided at one end of the buffer column, and a buffer spring is fixedly provided at the other end of the buffer column. The other end of the buffer spring is fixedly connected to the inner wall of the arc-shaped cavity, and a contact sensor is fixedly provided on the inner wall of the cylindrical cavity. The contact sensor and the small motor are both electrically connected to the small PLC controller through wires.

[0019] By adopting the above technical solution, during the rotation of the bidirectional lead screw driven by the small motor, two clamping plates can be driven to move towards the middle simultaneously, thereby driving two positioning columns to move towards the middle simultaneously and pass through two through holes on the guide plate body, enabling the positioning columns to pass through the guide plate body and contact and press against the healthy teeth of the patient, so as to effectively fix the guide plate body. Moreover, when the positioning column contacts the teeth, the buffer column can slide on the inner wall of the columnar cavity. When the clamping force between the buffer column and the tooth surface reaches a certain degree, the end of the buffer column can contact the contact sensor at this time. At this time, the contact sensor transmits a signal to the small PLC controller, and the small PLC controller automatically controls the small motor to shut down, thereby achieving the purpose of overload protection for the small motor and effectively ensuring the service life of the small motor.

[0020] Preferably, a rectangular groove is formed in the inner top wall of the positioning frame. A bidirectional lead screw is rotatably arranged on the inner wall of the rectangular groove. The top ends of the two clamping plates are both slidably connected to the inner wall of the rectangular groove. Two symmetrical limiting rods are fixedly arranged on the inner wall of the rectangular groove. Threaded holes threadedly connected to the outer surface of the bidirectional lead screw and sliding holes slidably connected to the outer surfaces of the two limiting rods are respectively formed on the surfaces of the two clamping plates.

[0021] By adopting the above technical solution, the rotation of the bidirectional lead screw can drive the two clamping plates to move towards the middle simultaneously, and the arrangement of the limiting rods effectively ensures the stability of the movement of the two clamping plates.

[0022] Preferably, a spreading component for spreading the patient's oral cavity during the process of fixing the guide plate body is arranged on the upper surface of the positioning frame. The spreading component includes a fixed cylinder fixedly arranged on the upper surface of the positioning frame and a sliding column slidably arranged on the inner wall of the fixed cylinder. A support frame for supporting the patient's upper teeth is arranged at the top end of the sliding column. A universal ball head is fixedly arranged at the top end of the sliding column. A rotating seat is fixedly arranged on the lower surface of the support frame, and a spherical rotating cavity rotatably connected to the outer surface of the universal ball head is formed on the lower surface of the rotating seat.

[0023] By adopting the above technical solution, under the action of the universal ball head and the rotating seat, the support frame can change the angle according to the situation in the patient's oral cavity, so that the support frame can fit the patient's upper teeth.

[0024] Preferably, a threaded column extending into the rectangular groove is rotatably arranged on the inner bottom wall of the fixed cylinder. A third bevel gear and a fourth bevel gear meshing with each other are respectively fixedly arranged on the bottom end of the threaded column and the surface of the bidirectional lead screw. An annular groove is formed on the inner ring surface at the bottom of the fixed cylinder. The output end of the small motor extends into the annular groove inside the fixed cylinder and is fixedly provided with a first bevel gear. A second bevel gear meshing with the first bevel gear is fixedly arranged on the outer surface of the threaded column; By adopting the above technical solution, the first bevel gear can be driven to rotate by the rotation of the small motor, the rotation of the first bevel gear can drive the second bevel gear and the threaded column to rotate, the rotation of the threaded column can drive the third bevel gear to rotate, the rotation of the third bevel gear can drive the fourth bevel gear and the bidirectional lead screw to rotate, so that the two clamps can be driven to move toward the middle at the same time by the rotation of the small motor.

[0025] Preferably, a cylindrical groove corresponding to the threaded column is formed at the bottom end of the sliding column, and an internal threaded sleeve is fixedly provided on the inner wall of the bottom end of the cylindrical groove, and the inner wall of the internal threaded sleeve is threadedly connected to the outer surface of the threaded column, two symmetrical limit blocks are fixedly provided on the outer surface of the bottom end of the sliding column, and a limit sliding groove is formed on the inner wall of the fixed cylinder for the limit blocks to slide.

[0026] By adopting the above technical solution, the internal threaded sleeve can be driven to move upward during the rotation of the threaded column, thereby driving the sliding column to move upward to push the support frame upward, and during the movement of the sliding column, the stability of the sliding column during movement can be effectively guaranteed under the action of the two limit blocks.

[0027] The beneficial effects of the present invention are: The 3D printing-based dental implant guide described in the present invention adopts 3D printing technology to form an integrated guide body, and determines the position of the positioning hole through the patient's oral CT data, so that the dental implant guide has a high fit with the patient's dental arch and the positioning hole is accurately positioned. At the same time, the 3D printing technology has low equipment cost and high material utilization rate, which reduces the production cost of the guide body. The digital design and 3D printing technology simplify the guide production process and shorten the production cycle, thereby making the dental implant guide have the advantages of high precision, low cost and simple and convenient production process, and is worthy of wide promotion and application.

[0028] The 3D printing-based dental implant guide described in the present invention, by setting a fixing component, can drive the positioning columns on the two splints to move toward the middle at the same time through the rotation of a small motor, and after passing through the two through holes on the guide body, they are pressed against the surface of the patient's healthy teeth, thereby achieving effective fixation of the guide body and effectively ensuring the stability of the guide body when implanting teeth on the patient.

[0029] The 3D printing-based dental implant guide described in the present invention, by providing a distraction component, can drive the support frame to move upward and effectively support the patient's upper teeth during the process of effectively fixing the guide body by driving the bidirectional lead screw to rotate through a small motor, thereby achieving the purpose of automatically distracting the patient's mouth and facilitating the doctor to perform dental implant operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1It is a schematic three-dimensional structure diagram of Embodiment 1 of the present invention; Figure 2 It is a schematic three-dimensional structure diagram of Embodiment 2 of the present invention; Figure 3 It is a schematic three-dimensional structure diagram of the positioning frame in Embodiment 2 of the present invention; Figure 4 It is a schematic bottom view structure diagram of the positioning frame in Embodiment 2 of the present invention; Figure 5 It is a schematic side view structure diagram of the positioning frame in Embodiment 2 of the present invention; Figure 6 It is a schematic sectional structure diagram of the positioning frame and the support frame in Embodiment 2 of the present invention; Figure 7 It is the present invention Figure 6 The enlarged structure diagram at position A; Figure 8 It is the present invention Figure 6 The enlarged structure diagram at position B.

[0031] Explanation of reference numerals: 100, guide plate body; 200, positioning hole; 300, fixing component; 301, connecting pipe; 302, telescopic column; 303, positioning frame; 304, rotating frame; 305, rotating shaft; 306, rotating block; 307, clamping plate; 308, small motor; 309, charging power supply box; 3010, button switch; 3011, small PLC controller; 3012, positioning column; 3013, buffer column; 3014, rubber anti-slip pad; 3015, buffer spring; 3016, contact sensor; 3017, bidirectional lead screw; 3018, limiting rod; 3019, first bevel gear; 3020, second bevel gear; 3021, third bevel gear; 3022, fourth bevel gear; 400, spreading component; 401, fixed cylinder; 402, sliding column; 403, support frame; 404, universal ball head; 405, rotating seat; 406, threaded column; 407, internal thread sleeve; 408, limiting block. Detailed implementation manners

[0032] Now, the subject matter described herein will be discussed with reference to exemplary embodiments. It should be understood that discussing these embodiments is only to enable those skilled in the art to better understand and thus implement the subject matter described herein. Without departing from the protection scope of the content of this specification, changes can be made to the functions and arrangements of the elements discussed. Each example can omit, substitute, or add various processes or components as needed. Additionally, the features described for some examples can also be combined in other examples.

[0033] Embodiment 1 The technical solution of the present invention will be further elaborated in detail below in conjunction with the specification drawings and specific embodiments. Please refer to Figure 1 A dental implant guide plate based on 3D printing provided by the present application. Please pay special attention to Figure 1 which includes a guide plate body 100 and positioning holes 200. The guide plate body 100 is an arc-shaped structure and is integrally formed by 3D printing technology and is adapted to the shape of the patient's dental arch. The positioning holes 200 are provided on the surface of the guide plate body 100 for guiding the implantation of dental implants. The size and position of the positioning holes 200 are precisely designed based on the CT data of the patient's oral cavity.

[0034] Specifically, by using 3D printing technology to integrally form the guide plate body 100, and at the same time determining the position of the positioning holes 200 through the CT data of the patient's oral cavity, the dental implant guide plate has a high degree of fit with the patient's dental arch, and the position of the positioning holes 200 is accurate.

[0035] Please pay special attention to Figure 1 The guide plate body 100 is made of a medical-grade photosensitive resin material, so that the guide plate body 100 has good biocompatibility and mechanical strength. The inner wall of the positioning hole 200 is provided with a titanium-plated coating for improving the wear resistance and guiding accuracy of the inner wall of the positioning hole 200.

[0036] Specifically, the material of the guide plate body 100 can be replaced with other medical-grade polymer materials, such as polyetheretherketone (PEEK); the coating on the inner wall of the positioning hole 200 can be replaced with a ceramic coating.

[0037] Among them, the process of manufacturing the guide plate body 100 is as follows: First, a three-dimensional model is established through the CT data of the patient's oral cavity; second, the guide plate body 100 and the positioning holes 200 are designed using CAD software; finally, the guide plate is integrally formed by a 3D printer.

[0038] And the manufacturing steps and precautions of the guide plate body 100 are as follows: S1: Obtain the CT data of the patient's oral cavity; S2: Design the three-dimensional model of the guide plate using CAD software; S3: Import the model into a 3D printer and select a medical-grade photosensitive resin material; S4: Start the 3D printer to manufacture the guide plate; S5: Disinfect the finished guide plate.

[0039] Precautions: Ensure the fit between the guide plate and the dental arch during design.

[0040] In this embodiment, the guide plate body 100 is integrally formed by using 3D printing technology. At the same time, the position of the positioning holes 200 is determined through the patient's oral CT data, so that the dental implant guide plate has a high degree of fit with the patient's dental arch, and the positions of the positioning holes 200 are accurate. At the same time, the 3D printing technology has low equipment cost and high material utilization rate, reducing the manufacturing cost of the guide plate body 100. Moreover, the digital design and 3D printing technology simplify the guide plate manufacturing process and shorten the manufacturing cycle. Therefore, the dental implant guide plate has the advantages of high precision, low cost, and simple and convenient manufacturing process, and is worthy of wide promotion and application.

[0041] Embodiment Two Please refer to Figures 2 to 8 , on the basis of Embodiment One and different from Embodiment One, please pay special attention to referring to Figure 2 , a fixing component 300 for fixing the guide plate body 100 to the patient's healthy teeth is provided on the surface of the guide plate body 100.

[0042] Specifically, under the action of the fixing component 300, on the one hand, it is convenient to fix the two positioning frames 303, and on the other hand, it is convenient to effectively fix the guide plate body 100 sleeved on the teeth.

[0043] Please pay special attention to referring to Figure 2 and Figure 3 , the fixing component 300 includes a connecting pipe 301 arranged inside the arc-shaped area of the guide plate body 100, and two symmetrical telescopic columns 302 slidably arranged on the inner wall of the connecting pipe 301. Positioning frames 303 are arranged at the ends of the two telescopic columns 302 away from the connecting pipe 301, and the two positioning frames 303 are respectively clamped and arranged on the two end surfaces of the guide plate body 100.

[0044] Specifically, by sliding the telescopic columns 302 on the inner wall of the connecting pipe 301, the fixing component 300 can adapt to guide plate bodies 100 of different specifications.

[0045] Please pay special attention to referring to Figure 3 , a rotating frame 304 is fixedly arranged at the end of the telescopic column 302. A rotating shaft 305 is rotatably arranged on the inner wall of the rotating frame 304. A rotating block 306 is fixedly arranged on the outer surface of the positioning frame 303, and a fixing hole fixedly connected to the outer surface of the rotating shaft 305 is formed on the surface of the rotating block 306.

[0046] Specifically, by rotating the rotating block 306 inside the rotating frame 304, the angle of the positioning frame 303 can be adjusted, so as to adapt to guide plate bodies 100 of different specifications and shapes.

[0047] Please pay special attention to referring to Figures 5 to 8, two symmetrical clamping plates 307 are slidably arranged on the inner wall of the positioning frame 303. A small motor 308 for driving the two clamping plates 307 to move towards the middle simultaneously is fixedly arranged on the upper surface of the positioning frame 303. A charging power supply box 309, a button switch 3010 and a small PLC controller 3011 are also fixedly arranged on the upper surface of the positioning frame 303 respectively. A charging power supply is arranged inside the charging power supply box 309. Positioning columns 3012 are fixedly arranged on the opposite surfaces of the two clamping plates 307. Through holes corresponding to each other and opposite to the positioning columns 3012 are arranged on both end surfaces of the guide plate body 100. A cylindrical cavity is arranged at the end of the positioning column 3012. A buffer column 3013 is slidably arranged on the inner wall of the cylindrical cavity. A rubber anti-slip pad 3014 is fixedly arranged at one end of the buffer column 3013. A buffer spring 3015 is fixedly arranged at the other end of the buffer column 3013. The other end of the buffer spring 3015 is fixedly connected with the inner wall of the arc-shaped cavity. A contact sensor 3016 is fixedly arranged on the inner wall of the cylindrical cavity. The contact sensor 3016 and the small motor 308 are both electrically connected to the small PLC controller 3011 through wires.

[0048] Specifically, during the process of the small motor 308 driving the bidirectional lead screw 3017 to rotate, the two clamping plates 307 can be driven to move towards the middle simultaneously, thereby driving the two positioning columns 3012 to move towards the middle simultaneously and passing through the two through holes on the guide plate body 100, so that the positioning columns 3012 pass through the guide plate body 100 and contact and press against the healthy teeth of the patient, thereby realizing the effective fixation of the guide plate body 100. Moreover, when the positioning column 3012 contacts the tooth, the buffer column 3013 can slide on the inner wall of the cylindrical cavity. When the clamping force between the end of the buffer column 3013 and the tooth surface reaches a certain degree, the end of the buffer column 3013 can contact the contact sensor 3016 at this time. At this time, the contact sensor 3016 transmits a signal to the small PLC controller 3011, and the small PLC controller 3011 automatically controls the small motor 308 to turn off, thereby achieving the purpose of overload protection for the small motor 308 and effectively ensuring the service life of the small motor 308.

[0049] Please refer specifically to Figure 7 , a rectangular groove is arranged on the inner top wall of the positioning frame 303. A bidirectional lead screw 3017 is rotatably arranged on the inner wall of the rectangular groove. The tops of the two clamping plates 307 are both slidably connected with the inner wall of the rectangular groove. Two symmetrical limiting rods 3018 are fixedly arranged on the inner wall of the rectangular groove. Threaded holes threadedly connected with the outer surface of the bidirectional lead screw 3017 and sliding holes slidably connected with the outer surfaces of the two limiting rods 3018 are respectively arranged on the surfaces of the two clamping plates 307.

[0050] Specifically, the rotation of the bidirectional lead screw 3017 can drive the two clamping plates 307 to move towards the middle simultaneously, and the arrangement of the limiting rods 3018 effectively ensures the stability of the movement of the two clamping plates 307.

[0051] Please refer specifically to Figure 5 and Figure 6 , on the upper surface of the positioning frame 303, there is a spreading component 400 for spreading the patient's oral cavity during the process of fixing the guide plate body 100. The spreading component 400 includes a fixed cylinder 401 fixed on the upper surface of the positioning frame 303, and a sliding column 402 slidably arranged on the inner wall of the fixed cylinder 401. At the top of the sliding column 402, there is a support frame 403 for supporting the patient's upper teeth. At the top of the sliding column 402, a universal ball head 404 is fixedly installed, and at the lower surface of the support frame 403, a rotating seat 405 is fixedly installed. At the lower surface of the rotating seat 405, a spherical rotating cavity is opened which is rotationally connected to the outer surface of the universal ball head 404.

[0052] Specifically, under the action of the universal ball head 404 and the rotating seat 405, the support frame 403 can change its angle according to the situation inside the patient's oral cavity, so that the support frame 403 can fit the patient's upper teeth.

[0053] Please refer specifically to Figure 6 and Figure 7 , on the inner bottom wall of the fixed cylinder 401, a threaded column 406 extending into the rectangular groove is rotatably arranged. At the bottom end of the threaded column 406 and on the surface of the bidirectional lead screw 3017, third bevel gears 3021 and fourth bevel gears 3022 which are meshed with each other are fixedly installed respectively. On the inner ring surface at the bottom of the fixed cylinder 401, an annular groove is opened, and the output end of the small motor 308 extends into the inner annular groove of the fixed cylinder 401 and is fixedly installed with a first bevel gear 3019. On the outer surface of the threaded column 406, a second bevel gear 3020 which is meshed with the first bevel gear 3019 is fixedly installed; Specifically, the rotation of the small motor 308 can drive the first bevel gear 3019 to rotate. The rotation of the first bevel gear 3019 can drive the second bevel gear 3020 and the threaded column 406 to rotate. The rotation of the threaded column 406 can drive the third bevel gear 3021 to rotate. The rotation of the third bevel gear 3021 can drive the fourth bevel gear 3022 and the bidirectional lead screw 3017 to rotate, so that the rotation of the small motor 308 can drive the two clamping plates 307 to move towards the middle simultaneously.

[0054] Please refer specifically to Figure 6 and Figure 7 , at the bottom end of the sliding column 402, a cylindrical groove corresponding to the threaded column 406 is opened. At the inner bottom wall of the cylindrical groove, an internally threaded sleeve 407 is fixedly installed. The inner wall of the internally threaded sleeve 407 is threadedly connected to the outer surface of the threaded column 406. On the outer surface at the bottom end of the sliding column 402, two symmetrical limit blocks 408 are fixedly installed, and on the inner wall of the fixed cylinder 401, a limit sliding groove for the limit blocks 408 to slide is opened.

[0055] Specifically, during the rotation of the threaded post 406, the internally threaded sleeve 407 can be driven to move upward, thereby driving the sliding post 402 to move upward and jacking up the support frame 403. Moreover, during the movement of the sliding post 402, the stability of the sliding post 402 during movement can be effectively ensured under the action of the two limit blocks 408.

[0056] In this embodiment, by setting the fixing component 300, before the dental implant guide plate is used, the two positioning frames 303 can be first clamped on the two end surfaces of the guide plate body 100. After the dental implant guide plate is put on the patient's lower teeth, the small motor 308 is started through the button switch 3010. The rotation of the small motor 308 drives the rotation of the bidirectional lead screw 3017. The rotation of the bidirectional lead screw 3017 drives the two clamping plates 307 to move towards the middle simultaneously, thereby driving the positioning posts 3012 on the two clamping plates 307 to move towards the middle simultaneously, and after passing through the two through holes on the guide plate body 100, they are tightened against the surfaces of the patient's healthy teeth, so as to realize the effective fixation of the guide plate body 100, effectively ensuring the stability of the guide plate body 100 during the dental implant operation on the patient. Moreover, in this embodiment, by setting the spreading component 400, during the process of effectively fixing the guide plate body 100 by driving the rotation of the bidirectional lead screw 3017 through the small motor 308, the rotation of the small motor 308 can drive the first bevel gear 3019 to rotate. The rotation of the first bevel gear 3019 drives the second bevel gear 3020 and the threaded post 406 to rotate. The rotation of the threaded post 406 drives the sliding post 402 to move upward under the action of the internally threaded sleeve 407, thereby driving the support frame 403 to move upward and effectively supporting the patient's upper teeth, so as to realize the purpose of automatically spreading the patient's oral cavity, facilitating the doctor to perform the dental implant operation.

[0057] Working principle: Before using the dental implant guide, the two positioning frames 303 can be clamped on the two end surfaces of the guide body 100, and then the dental implant guide is put on the patient's lower teeth, and the small motor 308 is started by the button switch 3010. The rotation of the small motor 308 drives the bidirectional screw 3017 to rotate, and the rotation of the bidirectional screw 3017 drives the two clamps 307 to move toward the middle at the same time, thereby driving the positioning columns 3012 on the two clamps 307 to move toward the middle at the same time, and pass through the two through holes on the guide body 100 to press against the surface of the patient's healthy teeth, thereby achieving effective fixation of the guide body 100, and effectively ensuring that the guide is in place when implanting teeth in the patient. The stability of the main body 100, and in this embodiment, by setting the expansion component 400, in the process of effectively fixing the guide plate body 100 by driving the bidirectional screw 3017 to rotate through the small motor 308, the rotation of the small motor 308 can drive the first bevel gear 3019 to rotate, and the rotation of the first bevel gear 3019 drives the second bevel gear 3020 and the threaded column 406 to rotate. The rotation of the threaded column 406 drives the sliding column 402 to move upward under the action of the internal threaded sleeve 407, thereby driving the support frame 403 to move upward and effectively support the patient's upper teeth, thereby achieving the purpose of automatically expanding the patient's mouth, which is convenient for doctors to perform dental implant operations.

[0058] An example of the present specific implementation mode is described above, but the present embodiment is not limited to the above-mentioned specific implementation mode, which is merely illustrative and not restrictive. A person skilled in the art may make many forms inspired by the present embodiment, all of which are protected by the present embodiment.

Claims

1. An implant guide plate based on 3D printing, characterized in that, Comprising: A guide plate body (100) and positioning holes (200), the guide plate body (100) is an arc-shaped structure, and the guide plate body (100) is integrally formed by 3D printing technology and is adapted to the shape of the patient's dental arch. The positioning holes (200) are arranged on the surface of the guide plate body (100) for guiding the implantation of implants. The size and position of the positioning holes (200) are precisely designed through the CT data of the patient's oral cavity; A fixing component (300) for fixing the guide plate body (100) to the patient's healthy teeth is arranged on the surface of the guide plate body (100); The fixing component (300) includes a connecting pipe (301) arranged inside the arc-shaped area of the guide plate body (100), and two symmetric telescopic columns (302) slidably arranged on the inner wall of the connecting pipe (301). At the ends of the two telescopic columns (302) away from the connecting pipe (301), positioning frames (303) are arranged, and the two positioning frames (303) are respectively clamped on the two end surfaces of the guide plate body (100).

2. The implant guide plate based on 3D printing according to claim 1, characterized in that, The guide plate body (100) is made of medical-grade photosensitive resin material, so that the guide plate body (100) has good biocompatibility and mechanical strength.

3. The dental implant guide based on 3D printing according to claim 1, characterized in that, A titanium-platable coating for improving the wear resistance and guiding accuracy of the inner wall of the positioning hole (200) is arranged on the inner wall of the positioning hole (200).

4. A dental implant guide based on 3D printing according to claim 1, characterized in that A rotating frame (304) is fixedly arranged at the end of the telescopic column (302). A rotating shaft (305) is rotatably arranged on the inner wall of the rotating frame (304). A rotating block (306) is fixedly arranged on the outer surface of the positioning frame (303), and a fixing hole fixedly connected to the outer surface of the rotating shaft (305) is formed on the surface of the rotating block (306).

5. A dental implant guide based on 3D printing according to claim 4, characterized in that Two symmetric clamping plates (307) are slidably arranged on the inner wall of the positioning frame (303). A small motor (308) for driving the two clamping plates (307) to move towards the middle simultaneously is fixedly arranged on the upper surface of the positioning frame (303). A charging power supply box (309), a button switch (3010) and a small PLC controller (3011) are also respectively fixedly arranged on the upper surface of the positioning frame (303). A charging power supply is arranged inside the charging power supply box (309). Positioning columns (3012) are fixedly arranged on the opposite surfaces of the two clamping plates (307). Through holes corresponding to each other and opposite to the positioning columns (3012) are formed on the two end surfaces of the guide plate body (100). A cylindrical cavity is formed at the end of the positioning column (3012). A buffer column (3013) is slidably arranged on the inner wall of the cylindrical cavity. A rubber anti-slip pad (3014) is fixedly arranged at one end of the buffer column (3013). A buffer spring (3015) is fixedly arranged at the other end of the buffer column (3013). The other end of the buffer spring (3015) is fixedly connected to the inner wall of the arc-shaped cavity. A contact sensor (3016) is fixedly arranged on the inner wall of the cylindrical cavity. The contact sensor (3016) and the small motor (308) are both electrically connected to the small PLC controller (3011) through wires.

6. The dental implant guide based on 3D printing according to claim 5, wherein, The inner top wall of the positioning frame (303) is provided with a rectangular groove, the inner wall of the rectangular groove is rotatably provided with a bidirectional lead screw (3017), the top ends of the two clamping plates (307) are slidably connected to the inner wall of the rectangular groove, the inner wall of the rectangular groove is fixed with two symmetrical limit rods (3018), and the surfaces of the two clamping plates (307) are respectively provided with threaded holes threadedly connected to the outer surface of the bidirectional lead screw (3017), and sliding holes slidably connected to the outer surfaces of the two limit rods (3018).

7. The implant guide based on 3D printing according to claim 6, wherein The upper surface of the positioning frame (303) is provided with an opening component (400) for opening the patient's oral cavity during the process of fixing the guide plate body (100); the opening component (400) comprises a fixing cylinder (401) fixedly arranged on the upper surface of the positioning frame (303), and a sliding column (402) slidably arranged on the inner wall of the fixing cylinder (401); a supporting frame (403) for supporting the patient's upper teeth is arranged at the top end of the sliding column (402); a universal ball head (404) is fixedly arranged at the top end of the sliding column (402); a rotating seat (405) is fixedly arranged on the lower surface of the supporting frame (403); and a spherical rotating cavity rotatably connected to the outer surface of the universal ball head (404) is provided on the lower surface of the rotating seat (405).

8. A dental implant guide based on 3D printing according to claim 7, characterized in that, The inner bottom wall of the fixed cylinder (401) is rotatably provided with a threaded column (406) extending into the interior of the rectangular groove, and the bottom end of the threaded column (406) and the surface of the bidirectional lead screw (3017) are respectively fixed with a third bevel gear (3021) meshing with each other and a fourth bevel gear (3022) meshing with each other, an annular groove is formed on the inner ring surface of the bottom of the fixed cylinder (401), and the output end of the small motor (308) extends to the interior of the annular groove in the fixed cylinder (401) and is fixed with a first bevel gear (3019), and the outer surface of the threaded column (406) is fixed with a second bevel gear (3020) meshing with the first bevel gear (3019); The bottom end of the sliding column (402) is provided with a cylindrical groove corresponding to the threaded column (406), and the inner wall of the bottom end of the cylindrical groove is fixedly provided with an internal threaded sleeve (407), the inner wall of the internal threaded sleeve (407) is threadedly connected to the outer surface of the threaded column (406), the outer surface of the bottom end of the sliding column (402) is fixedly provided with two symmetrical limit blocks (408), and the inner wall of the fixed cylinder (401) is provided with a limit sliding groove for the limit blocks (408) to slide.

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