An edentulous jaw implant planning scheme generation system and method

Abstract

The application provides a system and method for generating an implant planning scheme for edentulous jaws, which comprises a double scanning module, a segmented alveolar bone module, a segmented dental area module and an implant site recommendation module. The segmented alveolar bone module comprises a target alveolar bone calculation module and a threshold segmented alveolar bone module, the segmented dental area module comprises a dental area line drawing module and a dental area cutting algorithm module, and the implant site recommendation module comprises a single dental area implant site recommendation algorithm module, a two-dental area implant site recommendation algorithm module, a four-implant scheme recommendation module, a six-implant scheme recommendation module and an eight-implant scheme recommendation module. The application can effectively segment the alveolar bone, accurately cut the dental area bone and automatically recommend implant sites for three kinds of edentulous jaw implant schemes, thereby improving the efficiency of the doctor in performing the edentulous jaw surgery planning and reducing the surgery planning time.

Description

Technical Field

[0001] This invention relates to the field of medical technology, specifically to a system and method for generating implant planning schemes for edentulous jaws. Background Technology

[0002] Tooth loss and edentulism are common oral diseases among middle-aged and elderly people, which seriously affect their quality of life. In addition, edentulous patients often suffer from poor jawbone conditions, and traditional mucosa-supported dentures usually have problems such as poor retention and poor restoration of chewing function, which cannot achieve the restorative effect expected by the patients.

[0003] In recent years, with the rapid development of dental implant technology, edentulous jaw implantation has been increasingly accepted by edentulous patients and has become a routine treatment option. However, existing edentulous jaw implantation techniques are usually traditional "hand-operated" implantation procedures, which rely heavily on the doctor's clinical experience and do not provide digitally assisted planning methods for edentulous jaw implantation surgery. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art described in the background section and to provide a system and method for generating implant planning schemes for edentulous jaws. This system can automatically recommend implant positions for three edentulous jaw implantation schemes: 4 implants, 6 implants, and 8 implants, thereby improving the efficiency of doctors in planning edentulous jaw surgery and reducing surgical planning time.

[0005] To achieve the above objectives, the present invention employs the following technical solution: Firstly, the present invention provides a system for generating implant planning schemes for edentulous jaws, comprising: The dual-scan module is used to import the CBCT data of the denture and the CBCT data of the patient wearing denture into the preoperative planning software and perform automatic registration. The alveolar bone segmentation module includes an alveolar bone target region calculation module and a threshold segmentation alveolar bone module. The alveolar bone target region calculation module is used to automatically calculate the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data. The threshold segmentation alveolar bone module is used to segment the alveolar bone using a bone threshold segmentation algorithm to obtain the alveolar bone region. The dental region segmentation module includes a dental region drawing module and a dental region cutting algorithm module. The dental region drawing module is used to generate tooth boundary points based on tooth width statistics, and the dental region cutting algorithm module is used to automatically cut the dental bone region based on the tooth boundary points generated by the dental region drawing module. The implant placement recommendation module includes an algorithm module for recommending implant placement in a single dental region, an algorithm module for recommending implant placement in two dental regions, an algorithm module for recommending four implant schemes, an algorithm module for recommending six implant schemes, and an algorithm module for recommending eight implant schemes.

[0006] Furthermore, the dual-scan module is used to import the CBCT data of the denture and the CBCT data of the patient wearing the denture into the preoperative planning software and perform automatic registration, including: The dentist extracted the teeth on the occlusal side of the patient's jaw that were to be implanted and designed a prosthesis; CBCT data of the dentures and CBCT data of the patient wearing the dentures; The dual-scan module imports the CBCT data acquired twice into the preoperative planning software and automatically registers the two CBCT data.

[0007] Furthermore, the alveolar bone target region calculation module is used to automatically calculate the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data, including: Determine the extent of the original CBCT of the denture; Since all teeth are located on one side of the positive Y-axis in three-dimensional space, the midpoint of the Y-axis of the original CBCT range is taken as y0 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined, and the maximum value of the Y-axis of the original CBCT range is taken as y1 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. At this time, the Y-axis coordinates [y0, y1] of the alveolar bone target area to be determined are determined. Since the teeth are all located in the middle of the X-axis in three-dimensional space, we take the point one-quarter of the way up the X-axis of the original CBCT range as the x0 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined, and take the point three-quarters of the way up the X-axis of the original CBCT range as the x1 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. At this time, the X-axis coordinates [x0, x1] of the alveolar bone target area to be determined are determined. Based on the current planning information of the upper and lower jaws, determine the Z-axis coordinates [z0, z1] of the target region of the alveolar bone.

[0008] Furthermore, the threshold segmentation alveolar bone module is used to segment the alveolar bone using a bone threshold segmentation algorithm to obtain the alveolar bone region, including: The preset minimum threshold for alveolar bone is -100, and the maximum threshold is 1200; Observe the two-dimensional view and adjust the alveolar bone threshold; Based on the set alveolar bone threshold, the alveolar bone region is segmented using a threshold segmentation algorithm.

[0009] Furthermore, the module for drawing the tooth region line is used to generate tooth boundary points based on tooth width statistics, including: Draw 3 to 15 points on the surface of the alveolar bone region generated by the segmented alveolar bone module; The module for drawing the tooth area lines will automatically calculate the positions of 15 tooth boundary points based on the statistical data of tooth width.

[0010] Furthermore, the tooth region cutting algorithm module is used to automatically cut the tooth region bone area based on the tooth boundary points generated by the tooth region drawing module, including: Calculate the normal vector of each tooth boundary point generated by the tooth area drawing module on the tooth area line; A cutting plane is set in the direction of the normal vector. There is a cutting plane at the dividing point on both sides of each tooth. The two cutting planes can cut out a tooth bone region, and finally generate 14 tooth bone regions.

[0011] Furthermore, the single-dental-area implant location recommendation algorithm module includes: Calculate the center point of the bone extent of a single dental region, denoted as O1; Cut a 1mm thick area of ​​bone from bottom to top in the dental area, calculate the center point of this area and denote it as O2; Calculate the vector from O1 to O2, denoted as V1; With the implant origin point placed at O2 and the implant vector direction set to V1, the implant position within a single dental region is now recommended.

[0012] Furthermore, the two dental implant location recommendation algorithm modules include: Calculate the center point of the tooth region closest to the incisors, and denote it as O3; Cut a 1mm thick area of ​​bone from bottom to top in another dental area, calculate the center point of this area and denote it as O4; Calculate the vector from O3 to O4, denoted as V2; With the implant origin point placed at O4 and the implant vector direction set to V2, the implant positions in the two dental areas are now recommended.

[0013] Furthermore, the four implantation plan recommendation modules include: Number the teeth as follows: In the maxilla, the left incisor is numbered 11, and the teeth numbered from the left incisor to the left are 11, 12, 13, 14, 15, 16, and 17. The right incisor is numbered 21, and the teeth numbered from the right incisor to the right are 21, 22, 23, 24, 25, 26, and 27. In the mandible, the mandibular tooth corresponding to the left incisor is numbered 31, and the teeth numbered from the left incisor to the left are 31, 32, 33, 34, 35, 36, and 37. The mandibular tooth corresponding to the right incisor is numbered 41, and the teeth numbered from the right incisor to the right are 41, 42, 43, 44, 45, 46, and 47. When maxillary teeth are missing, the single-tooth region implant placement recommendation algorithm module recommends placing one implant in tooth positions 11 and 21 respectively. The two-tooth region implant placement recommendation algorithm module recommends placing one implant in tooth regions 15 and 16, and another implant in tooth regions 25 and 26. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31 and 41, one implant is placed in tooth positions 35 and 36, and another implant is placed in tooth positions 45 and 46.

[0014] Furthermore, the six implantation plan recommendation modules include: When maxillary teeth are missing, one implant is placed in tooth positions 11, 13, 16, 21, 23, and 26 according to the single-tooth region implant placement recommendation algorithm. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31, 33, 36, 41, 43, and 46.

[0015] Furthermore, the eight implantation plan recommendation modules include: When maxillary teeth are missing, one implant is placed in tooth positions 11, 13, 15, 16, 21, 23, 25, and 26, respectively, based on the single-tooth region implant placement recommendation algorithm. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31, 33, 35, 36, 41, 43, 45, and 46.

[0016] Secondly, the present invention also provides a method for generating implant planning schemes for edentulous jaws, comprising the following steps: The dual-scan module imports the CBCT data of the denture and the CBCT data of the patient wearing denture into the preoperative planning software and performs automatic registration. The alveolar bone target region calculation module in the alveolar bone segmentation module automatically calculates the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data, and the alveolar bone is segmented by the alveolar bone threshold segmentation module to obtain the alveolar bone region; The tooth boundary points are generated by the tooth region drawing module in the tooth region segmentation module, and the tooth region bone region is automatically cut by the tooth region cutting algorithm module. The implant placement recommendation module automatically recommends the spatial placement of implants for three edentulous jaw implantation schemes.

[0017] This invention provides a system and method for generating implant planning schemes for edentulous jaws. It can effectively segment the alveolar bone, accurately cut the bone in the dental area, and automatically recommend implant positions for three edentulous jaw implantation schemes: 4, 6, and 8 implants. This improves the efficiency of doctors in planning edentulous jaw surgery and reduces surgical planning time. Attached Figure Description

[0018] The features, advantages and technical effects of exemplary embodiments of the present invention will now be described with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of calculating the spatial range of alveolar bone provided in an embodiment of the present invention; Figure 2 This is a schematic diagram of the tooth area drawing module provided in this embodiment of the invention, which automatically calculates the positions of 15 tooth boundary points based on 3 drawing points; Figure 3 This is a schematic diagram of the tooth cutting area algorithm module provided in an embodiment of the present invention. Detailed Implementation

[0020] The features and exemplary embodiments of various aspects of this disclosure will now be described in detail. To make the objectives, technical solutions, and advantages of this disclosure clearer, the disclosure will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are intended to explain this disclosure only and not to limit it. For those skilled in the art, this disclosure can be implemented without some of these specific details. The following description of the embodiments is merely to provide a better understanding of this disclosure by illustrating examples.

[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes said element.

[0022] In this document, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "assembly" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0023] To better understand the present invention, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] In a first aspect, the present invention provides a system for generating implant planning schemes for edentulous jaws, comprising: The dual-scan module is used to import the CBCT data of the denture and the CBCT data of the patient wearing denture into the preoperative planning software and perform automatic registration. The alveolar bone segmentation module includes an alveolar bone target region calculation module and a threshold segmentation alveolar bone module. The alveolar bone target region calculation module is used to automatically calculate the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data. The threshold segmentation alveolar bone module is used to segment the alveolar bone using a bone threshold segmentation algorithm to obtain the alveolar bone region. The dental region segmentation module includes a dental region drawing module and a dental region cutting algorithm module. The dental region drawing module is used to generate tooth boundary points based on tooth width statistics, and the dental region cutting algorithm module is used to automatically cut the dental bone region based on the tooth boundary points generated by the dental region drawing module. The implant placement recommendation module includes an algorithm module for recommending implant placement in a single dental region, an algorithm module for recommending implant placement in two dental regions, an algorithm module for recommending four implant schemes, an algorithm module for recommending six implant schemes, and an algorithm module for recommending eight implant schemes.

[0025] As an optional implementation, the dual-scan module is used to import the CBCT data of the denture and the CBCT data of the patient wearing the denture into the preoperative planning software and perform automatic registration, including: The dentist extracted the teeth on the occlusal side of the patient's jaw that were to be implanted and designed a prosthesis; CBCT data of the dentures and CBCT data of the patient wearing the dentures; The dual-scan module imports the CBCT data acquired twice into the preoperative planning software and automatically registers the two CBCT data.

[0026] As an optional implementation, the alveolar bone target region calculation module is used to automatically calculate the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data, including: Determine the extent of the original CBCT of the denture; like Figure 1 As shown, since all teeth are on one side of the positive Y-axis in three-dimensional space, the midpoint of the Y-axis of the original CBCT range is taken as y0 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined, and the maximum value of the Y-axis of the original CBCT range is taken as y1 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. At this time, the Y-axis coordinates [y0, y1] of the alveolar bone target area to be determined are determined. Since the teeth are all located in the middle of the X-axis in three-dimensional space, we take the point one-quarter of the way up the X-axis of the original CBCT range as the x0 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined, and take the point three-quarters of the way up the X-axis of the original CBCT range as the x1 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. At this time, the X-axis coordinates [x0, x1] of the alveolar bone target area to be determined are determined. Based on the current planning information of the upper and lower jaws, determine the Z-axis coordinates [z0, z1] of the target region of the alveolar bone.

[0027] As an optional implementation, the threshold segmentation alveolar bone module is used to segment the alveolar bone using a bone threshold segmentation algorithm to obtain the alveolar bone region, including: The preset minimum threshold for alveolar bone is -100, and the maximum threshold is 1200; Observe the two-dimensional view and adjust the alveolar bone threshold; Based on the set alveolar bone threshold, the alveolar bone region is segmented using a threshold segmentation algorithm.

[0028] As an optional implementation, the threshold segmentation alveolar bone module can segment the alveolar bone region, and can also achieve automatic segmentation of the alveolar bone region through a neural network.

[0029] As an optional implementation, the tooth region drawing module is used to generate tooth boundary points based on tooth width statistics, including: like Figure 2 As shown, three points are drawn on the surface of the alveolar bone region generated by the segmented alveolar bone module; The module for drawing the tooth area lines will automatically calculate the positions of 15 tooth boundary points based on the statistical data of tooth width.

[0030] As an optional implementation, the tooth cutting algorithm module is used to automatically cut the tooth bone region according to the tooth boundary points generated by the tooth drawing module, including: Calculate the normal vector of each tooth boundary point generated by the tooth area drawing module on the tooth area line; A cutting plane is set along the normal vector direction, with one cutting plane at each boundary point on both sides of each tooth. These two cutting planes can then cut out a bone region of the tooth. Figure 3 As shown, 14 dental bone regions were ultimately generated.

[0031] As an optional implementation, the single-dental-area implant location recommendation algorithm module includes: Calculate the center point of the bone extent of a single dental region, denoted as O1; Cut a 1mm thick area of ​​bone from bottom to top in the dental area, calculate the center point of this area and denote it as O2; Calculate the vector from O1 to O2, denoted as V1; With the implant origin point placed at O2 and the implant vector direction set to V1, the implant position within a single dental region is now recommended.

[0032] As an optional implementation, the two-dental-region implant location recommendation algorithm module includes: Calculate the center point of the tooth region closest to the incisors, and denote it as O3; Cut a 1mm thick area of ​​bone from bottom to top in another dental area, calculate the center point of this area and denote it as O4; Calculate the vector from O3 to O4, denoted as V2; With the implant origin point placed at O4 and the implant vector direction set to V2, the implant positions in the two dental areas are now recommended.

[0033] As an optional implementation, the four implantation scheme recommendation modules include: Number the teeth as follows: In the maxilla, the left incisor is numbered 11, and the teeth numbered from the left incisor to the left are 11, 12, 13, 14, 15, 16, and 17. The right incisor is numbered 21, and the teeth numbered from the right incisor to the right are 21, 22, 23, 24, 25, 26, and 27. In the mandible, the mandibular tooth corresponding to the left incisor is numbered 31, and the teeth numbered from the left incisor to the left are 31, 32, 33, 34, 35, 36, and 37. The mandibular tooth corresponding to the right incisor is numbered 41, and the teeth numbered from the right incisor to the right are 41, 42, 43, 44, 45, 46, and 47. When maxillary teeth are missing, the single-tooth region implant placement recommendation algorithm module recommends placing one implant in tooth positions 11 and 21 respectively. The two-tooth region implant placement recommendation algorithm module recommends placing one implant in tooth regions 15 and 16, and another implant in tooth regions 25 and 26. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31 and 41, one implant is placed in tooth positions 35 and 36, and another implant is placed in tooth positions 45 and 46.

[0034] As an optional implementation, the six implantation scheme recommendation module includes: When maxillary teeth are missing, one implant is placed in tooth positions 11, 13, 16, 21, 23, and 26 according to the single-tooth region implant placement recommendation algorithm. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31, 33, 36, 41, 43, and 46.

[0035] As an optional implementation, the eight implant scheme recommendation modules include: When maxillary teeth are missing, one implant is placed in tooth positions 11, 13, 15, 16, 21, 23, 25, and 26, respectively, based on the single-tooth region implant placement recommendation algorithm. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31, 33, 35, 36, 41, 43, 45, and 46.

[0036] Secondly, the present invention also provides a method for generating implant planning schemes for edentulous jaws, comprising the following steps: The dual-scan module imports the CBCT data of the denture and the CBCT data of the patient wearing denture into the preoperative planning software and performs automatic registration. The alveolar bone target region calculation module in the alveolar bone segmentation module automatically calculates the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data, and the alveolar bone is segmented by the alveolar bone threshold segmentation module to obtain the alveolar bone region; The tooth boundary points are generated by the tooth region drawing module in the tooth region segmentation module, and the tooth region bone region is automatically cut by the tooth region cutting algorithm module. The implant placement recommendation module automatically recommends the spatial placement of implants for three edentulous jaw implantation schemes.

[0037] This invention provides a system and method for generating implant planning schemes for edentulous jaws. It can effectively segment the alveolar bone, accurately cut the bone in the dental area, and automatically recommend implant positions for three edentulous jaw implantation schemes: 4, 6, and 8 implants. This improves the efficiency of doctors in planning edentulous jaw surgery and reduces surgical planning time.

[0038] Although the invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner, provided there is no structural conflict. The invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A system for generating implant planning schemes for edentulous jaws, characterized in that, include: The dual-scan module is used to import the CBCT data of the denture and the CBCT data of the patient wearing denture into the preoperative planning software and perform automatic registration. The alveolar bone segmentation module includes an alveolar bone target region calculation module and a threshold segmentation alveolar bone module. The alveolar bone target region calculation module is used to automatically calculate the alveolar bone spatial range of the upper and lower jaws based on the size of the denture CBCT data. The threshold segmentation alveolar bone module is used to segment the alveolar bone using a bone threshold segmentation algorithm to obtain the alveolar bone region. The dental region segmentation module includes a dental region drawing module and a dental region cutting algorithm module. The dental region drawing module is used to generate tooth boundary points based on tooth width statistics, and the dental region cutting algorithm module is used to automatically cut the dental bone region based on the tooth boundary points generated by the dental region drawing module. The implant placement recommendation module includes an algorithm module for recommending implant placement in a single dental region, an algorithm module for recommending implant placement in two dental regions, an algorithm module for recommending four implant schemes, an algorithm module for recommending six implant schemes, and an algorithm module for recommending eight implant schemes.

2. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The dual-scan module is used to import the CBCT data of the denture and the CBCT data of the patient wearing the denture into the preoperative planning software and perform automatic registration, including: The dentist extracted the teeth on the occlusal side of the patient's jaw that were to be implanted and designed a prosthesis; CBCT data of the dentures and CBCT data of the patient wearing the dentures; The dual-scan module imports the CBCT data acquired twice into the preoperative planning software and automatically registers the two CBCT data.

3. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The alveolar bone target region calculation module is used to automatically calculate the spatial range of the alveolar bone in the upper and lower jaws based on the size of the denture CBCT data, including: Determine the extent of the original CBCT of the denture; Since all teeth are located on one side of the positive Y-axis in three-dimensional space, the midpoint of the Y-axis within the original CBCT range is taken as the target point of the alveolar bone. The y0 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the target area is taken as the y1 in the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. At this time, the Y-axis coordinate [y0, y1] of the alveolar bone target area to be determined is determined. Since the teeth are all in the middle of the X-axis in three-dimensional space, we take the point one-quarter of the original CBCT range from the smallest to the largest as the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. We take the point three-quarters of the original CBCT range from the smallest to the largest as the x1 of the three-dimensional spatial coordinate range [x0, y0, z0, x1, y1, z1] of the alveolar bone target area to be determined. At this time, the X-axis coordinates [x0, x1] of the alveolar bone target area to be determined are determined. Based on the current planning information of the upper and lower jaws, determine the Z-axis coordinates [z0, z1] of the target region of the alveolar bone.

4. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The threshold segmentation alveolar bone module is used to segment the alveolar bone using a bone threshold segmentation algorithm to obtain the alveolar bone region, including: The preset minimum threshold for alveolar bone is -100, and the maximum threshold is 1200; Observe the two-dimensional view and adjust the alveolar bone threshold; Based on the set alveolar bone threshold, the alveolar bone region is segmented using a threshold segmentation algorithm.

5. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The module for drawing tooth zones is used to generate tooth boundary points based on tooth width statistics, including: Draw 3 to 15 points on the surface of the alveolar bone region generated by the segmented alveolar bone module; The module for drawing the tooth area lines will automatically calculate the positions of 15 tooth boundary points based on the statistical data of tooth width.

6. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The tooth region cutting algorithm module is used to automatically cut the tooth region bone area based on the tooth boundary points generated by the tooth region drawing module, including: Calculate the normal vector of each tooth boundary point generated by the tooth area drawing module on the tooth area line; A cutting plane is set in the direction of the normal vector. There is a cutting plane at the dividing point on both sides of each tooth. The two cutting planes can cut out a tooth bone region, and finally generate 14 tooth bone regions.

7. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The single-dental-area implant location recommendation algorithm module includes: Calculate the center point of the bone extent of a single dental region, denoted as O1; Cut a 1mm thick area of ​​bone from bottom to top in the dental area, calculate the center point of this area and denote it as O2; Calculate the vector from O1 to O2, denoted as V1; With the implant origin point placed at O2 and the implant vector direction set to V1, the implant position within a single dental region is now recommended.

8. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The two dental implant placement recommendation algorithm modules include: Calculate the center point of the tooth region closest to the incisors, and denote it as O3; Cut a 1mm thick area of ​​bone from bottom to top in another dental area, calculate the center point of this area and denote it as O4; Calculate the vector from O3 to O4, denoted as V2; With the implant origin point placed at O4 and the implant vector direction set to V2, the implant positions in the two dental areas are now recommended.

9. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The four implantation protocol recommendation modules include: Number the teeth as follows: In the maxilla, the left incisor is numbered 11, and the teeth numbered from the left incisor to the left are 11, 12, 13, 14, 15, 16, and 17. The right incisor is numbered 21, and the teeth numbered from the right incisor to the right are 21, 22, 23, 24, 25, 26, and 27. In the mandible, the mandibular tooth corresponding to the left incisor is numbered 31, and the teeth numbered from the left incisor to the left are 31, 32, 33, 34, 35, 36, and 37. The mandibular tooth corresponding to the right incisor is numbered 41, and the teeth numbered from the right incisor to the right are 41, 42, 43, 44, 45, 46, and 47. When maxillary teeth are missing, the single-region implant placement recommendation algorithm module recommends placing one implant in tooth positions 11 and 21 respectively. The two-region implant placement recommendation algorithm module recommends placing one implant in tooth regions 15 and 16 respectively. And place another implant in the 25th and 26th dental areas; Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31 and 41, one implant is placed in tooth positions 35 and 36, and another implant is placed in tooth positions 45 and 46.

10. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The six implantation protocol recommendation modules include: Number the teeth as follows: In the maxilla, the left incisor is numbered 11, and the teeth numbered from the left incisor to the left are 11, 12, 13, 14, 15, 16, and 17. The right incisor is numbered 21, and the teeth numbered from the right incisor to the right are 21, 22, 23, 24, 25, 26, and 27. In the mandible, the mandibular tooth corresponding to the left incisor is numbered 31, and the teeth numbered from the left incisor to the left are 31, 32, 33, 34, 35, 36, and 37. The mandibular tooth corresponding to the right incisor is numbered 41, and the teeth numbered from the right incisor to the right are 41, 42, 43, 44, 45, 46, and 47. When maxillary teeth are missing, one implant is placed in tooth positions 11, 13, 16, 21, 23, and 26 according to the single-tooth region implant placement recommendation algorithm. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31, 33, 36, 41, 43, and 46.

11. The implant planning scheme generation system for edentulous jaws according to claim 1, characterized in that, The eight implantation protocol recommendation modules include: Number the teeth as follows: In the maxilla, the left incisor is numbered 11, and the teeth numbered from the left incisor to the left are 11, 12, 13, 14, 15, 16, and 17. The right incisor is numbered 21, and the teeth numbered from the right incisor to the right are 21, 22, 23, 24, 25, 26, and 27. In the mandible, the mandibular tooth corresponding to the left incisor is numbered 31, and the teeth numbered from the left incisor to the left are 31, 32, 33, 34, 35, 36, and 37. The mandibular tooth corresponding to the right incisor is numbered 41, and the teeth numbered from the right incisor to the right are 41, 42, 43, 44, 45, 46, and 47. When maxillary teeth are missing, one implant is placed in tooth positions 11, 13, 15, 16, 21, 23, 25, and 26, respectively, based on the single-tooth region implant placement recommendation algorithm. Similarly, when mandibular teeth are missing, one implant is placed in tooth positions 31, 33, 35, 36, 41, 43, 45, and 46.

12. A method for generating implant planning schemes for edentulous jaws, characterized in that, Includes the following steps: The CBCT data of the denture and the CBCT data of the patient wearing denture are imported into the preoperative planning software through the dual scanning module and automatically registered. The alveolar bone target region calculation module in the alveolar bone segmentation module automatically calculates the spatial range of the alveolar bone in the upper and lower jaws based on the size of the denture CBCT data. The alveolar bone is segmented by the threshold segmentation alveolar bone module to obtain the alveolar bone region. The tooth boundary points are generated by the tooth region drawing module in the tooth region segmentation module, and the tooth region bone area is automatically cut by the tooth region cutting algorithm module. The implant placement recommendation module automatically recommends the spatial placement of implants for three edentulous jaw implantation schemes.

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