CN217090947U - Personalized PAOO surgical guide plate with functions of anatomical guiding and soft tissue shielding - Google Patents
Personalized PAOO surgical guide plate with functions of anatomical guiding and soft tissue shielding Download PDFInfo
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- CN217090947U CN217090947U CN202220570839.9U CN202220570839U CN217090947U CN 217090947 U CN217090947 U CN 217090947U CN 202220570839 U CN202220570839 U CN 202220570839U CN 217090947 U CN217090947 U CN 217090947U
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- 210000004872 soft tissue Anatomy 0.000 title claims abstract description 25
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- 208000035965 Postoperative Complications Diseases 0.000 abstract description 6
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Abstract
The utility model relates to a dentistry auxiliary instruments technical field, concretely relates to individualized PAOO operation baffle with dissect guide and shelter from soft tissue function. The surgical guide plate is provided with an occlusal block matched with an occlusal groove of upper and lower teeth, an indicating plate for indicating the position of a tooth root, a marking plate for marking a neurovascular bundle of the lower dental groove, and a connecting rod for fixedly connecting the occlusal block and the indicating plate. The concave groove is embedded with the dental crown of the lower tooth to form the interdental positioning for the bite block. The indicator plate has an outer contour matching the root of the lower tooth. The outside of indicator board links to each other with the connecting rod. The inner side of the indicator board is connected with the marking board. The marker plate has a shield portion that shields the lower alveolar neurovascular bundle. The side wall of the protection part and the side wall of the indicating plate enclose a safe area for operation. The operation guide plate improves the operation accuracy, reduces the operation wound, shortens the operation time, reduces the incidence rate of postoperative complications and provides better medical services for patients.
Description
Technical Field
The utility model relates to a dentistry auxiliary instruments technical field, concretely relates to individualized PAOO operation baffle with dissect guide and shelter from soft tissue function.
Background
Rapid orthodontics and periodontal aesthetics are currently a prevalent trend and also a major requirement for patients. Periodontal assisted accelerated osteogenic orthodontic treatment (PAOO) is to implant bone powder and periosteum on the surface of a bone with incised cortical bone so as to accelerate the movement of teeth and increase bone mass and widen the limit of the movement of teeth. At present, domestic and international researches show that PAOO can shorten the treatment course and expand narrow dental arches, is an effective auxiliary treatment method for adults, and is 3-4 times of the tooth moving speed of the traditional treatment method. Meanwhile, PAOO operation can prevent and reduce the risk of bone windowing and bone cracking, promote the reconstruction of periodontal tissues, is beneficial to the health of the periodontal tissues, has better effect after orthodontic treatment than the traditional therapy, reduces the tooth root absorption, is beneficial to reducing the orthodontic recurrence rate, and has stronger postoperative stability. The PAOO technology can be widely applied as a relatively mature orthodontic acceleration means in the future.
Currently, PAOO surgery is used clinically in most anterior teeth, but the anterior tooth roots are relatively close, and there is a possibility of root damage. When the PAOO operation is performed on the posterior dental area, the abundant nerves and blood vessels in the posterior dental area are considered, and the possibility of injury is high. Although the use of the ultrasonic osteotome can largely avoid damage to adjacent soft tissues and nerves, the personalized design of medical solutions is still required for patients who need extensive buccolingual movement of teeth, short inter-dental distance, anatomical variation and the like, which increases the difficulty of surgery.
Since the advent of 3D printing technology, it has played an important role in various fields, changing the traditional manufacturing industry. The technology has a close relationship with the oral medicine, and with the development of three-dimensional imaging technology and the development of modeling technology, such as oral Cone beam CT (Cone beam CT, CBCT), model scanning, oral scanning technology, and the use of computer aided design and computer aided manufacturing technology in the dental field, the development and development of the oral medicine are all promoted.
With the popularization of CBCT and 3D printing technologies in oral clinical diagnosis and treatment, for example, chinese patent document CN215458895U discloses an operation guide plate for 3D printing periodontal-assisted accelerated orthodontic treatment. This baffle can combine CBCT design cortex of bone to open guide slot and blood transport hole, carries out accurate location to the position that cortex of bone opened, provides a reliable surgical instruments.
However, the above guide plate has the following disadvantages in clinical application of PAOO surgery: 1) the blood conveying hole on the guide plate is small, more scraps are generated during operation, and secondary damage to the wound can be caused; 2) the guide plate covers the operation area in a large area, so that the heat dissipation problem is difficult to solve, and further, the bone tissue is possibly thermally damaged or even necrotized; 3) the flexibility of the operation is lacked, and the cost is higher; 4) poor retention, the need for auxiliary operations to fix the surgical guide plate; 5) the guide plate lacks marks for important anatomical structures such as adjacent tooth root structures, inferior alveolar nerves, blood vessels and the like; 6) the guide plate is difficult to directly prop open adjacent soft tissues and provides a corresponding operation space.
In view of the above, in the process of implementing periodontal-assisted accelerated osteogenesis orthodontic treatment technology, it is an urgent technical problem for those skilled in the art to design a surgical guiding device to improve surgical accuracy, reduce surgical trauma, shorten surgical time, and reduce the incidence of postoperative complications.
Disclosure of Invention
The utility model aims to provide an operation guiding device for implementing the periodontal auxiliary accelerating osteogenesis orthodontic treatment technology, which is used for improving the operation accuracy, reducing the operation wound, shortening the operation time and reducing the incidence rate of postoperative complications.
In order to achieve the above purpose, the utility model adopts the following scheme: the personalized PAOO surgical guide plate with the functions of anatomical guidance and soft tissue shielding comprises an occluding block, a connecting rod, an indicating plate and a marking plate which are sequentially connected;
the bottom of the occlusion block is provided with a groove used for matching with a crown of a lower tooth, and when the occlusion block is used, the groove is embedded with the crown of the lower tooth to position the occlusion block between teeth;
two ends of the connecting rod are respectively fixedly connected with the occluding block and the indicating plate;
the indicating plate is provided with an outer contour used for matching with a tooth root of a lower tooth, the outer side of the indicating plate is connected with the connecting rod, and the inner side of the indicating plate is connected with the marking plate;
the marking plate is provided with a protective part for shielding the lower alveolar neurovascular bundle, and the side wall of the protective part and the side wall of the indicating plate enclose a safe area for operation.
Preferably, the connecting rod is in the shape of an arc, and the arc protrudes to the outer side of the indicating plate. So set up, form between convex connecting rod and the indicator panel and dodge the space, dodge the space and be used for avoiding just abnormal support groove and arch wire, avoided this operation baffle and just abnormal support groove and arch wire to take place to interfere, be favorable to further optimizing the operating space in the operation.
Preferably, the top of the bite block is provided with a gullet matching with the crown of the upper tooth, and the gullet is engaged with the crown of the upper tooth. So set up, tooth's socket and recess form the interdental positioning to the dental crown of last tooth and the dental crown of lower tooth respectively, have realized dual location, have improved the positioning accuracy of interlock piece, and then are favorable to further improving the accuracy of operation.
Preferably, the inner side of the indicator plate is provided with a recess portion which is attached to the lower tooth surface, and the recess portion is located at the middle upper portion of the indicator plate. Due to the arrangement, the inner side of the indicating plate is convenient to better fit with the tooth surface of the lower tooth, the outer contour is favorable for more accurately displaying the tooth root position of the lower tooth, and further the damage to the tooth root in the operation is further reduced.
Preferably, the bite block has a thickness of 2mm to 4 mm. According to the arrangement, the occlusal block with the proper thickness can be conveniently selected according to the personalized operation requirement, so that the structural strength of the occlusal block is ensured, and the stability of the operation guide plate is further improved.
Compared with the prior art, the utility model provides a pair of individualized PAOO operation baffle with dissect guide and shelter from soft tissue function has following substantive characteristics and progress:
1. the personalized PAOO surgical guide plate with the functions of anatomical guidance and soft tissue shielding improves the mode of auxiliary orthodontic treatment, enables teeth to move more easily, reduces the time and economic cost of a patient, properly reduces an intraoral anchorage device and an extraoral arch, is beneficial to the reconstruction of periodontal tissues of the patient, is beneficial to the health of the periodontal tissues, reduces the root absorption and the orthodontic recurrence rate after orthodontic treatment, utilizes the side wall of a protective part in a marking plate and the side wall of an indicating plate to enclose a safe area for surgical operation, improves the surgical accuracy, reduces surgical wounds, shortens the surgical time, reduces the incidence of postoperative complications, and provides higher-quality medical services for the patient;
2. the personalized PAOO surgical guide plate with the functions of anatomical guiding and soft tissue shielding is convenient to combine with the oral cavity cone beam CT technology, records the relationship among teeth, alveolar bones and important nerve vessels of a patient, the distance between tooth roots of adjacent teeth and the limit of tooth movement from a three-dimensional layer through the CBCT technology, and can help a doctor to discover and prevent bone windowing and orthodontic bone cracking as early as possible, so that the orthodontist can effectively manage and control the tooth movement in the whole treatment process;
3. this individualized PAOO operation baffle with dissect guide and shelter from soft tissue function is convenient for customize the shaping through 3D printing technique, processing method saves time fast, it just can accomplish to need not traditional process chamber, portable preparation in the hospital, the cost of delivery and transportation has been reduced, a large amount of raw and other materials have been saved, the cost is further reduced, more environmental protection, be favorable to the individualized design of baffle, the design limitation has been broken through, easy operation, completely accord with periodontal and just abnormal doctor's treatment and technical requirement, and simultaneously, the completeness and the accuracy of baffle have been promoted, patient's comfort has been strengthened, be fit for carrying out a large amount of clinical popularization and shaping
Drawings
FIG. 1 is a schematic perspective view of a PAOO surgical guide with anatomical guiding and soft tissue shielding functions according to an embodiment of the present invention;
FIG. 2 is a perspective view of a personalized PAOO surgical guide of FIG. 1 with anatomical guiding and soft tissue shielding features from another perspective view;
FIG. 3 is a reference diagram of the use state of a personalized PAOO surgical guide of FIG. 1 with anatomical guidance and soft tissue occlusion.
Reference numerals are as follows: the dental articulator comprises an occlusal block 1, a connecting rod 2, an indicating plate 3, a marking plate 4, a groove 5, a tooth 6 and a lower alveolar neurovascular bundle 7.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings.
A personalized PAOO surgical guide with anatomical guidance and soft tissue shielding, as shown in fig. 1-3, improves the manner of auxiliary orthodontic treatment during the implementation of periodontal-assisted accelerated osteogenesis orthodontic treatment techniques, makes tooth movement easier, reduces time and economic costs for patients, and appropriately reduces intraoral anchorage devices and extraoral arches. The side wall of the protective part in the marking plate and the side wall of the indicating plate are encircled to form a safe area for operation, so that the operation accuracy is improved, the operation wound is reduced, the operation time is shortened, the incidence rate of postoperative complications is reduced, and higher-quality medical services are provided for patients.
As shown in fig. 1, a personalized PAOO surgical guide plate with the functions of anatomical guidance and soft tissue shielding comprises an occlusal block 1 matched with an occlusal groove of upper and lower teeth, a connecting rod 2, an indicating plate 3 for indicating the position of a tooth root and a marking plate 4 for marking a neurovascular bundle 7 of the lower tooth groove. As shown in fig. 2, the bottom of the bite block 1 has a recess 5 matching the crown of the lower tooth. The concave groove 5 is embedded with the crown of the lower tooth to form the interdental positioning for the bite block 1. One end of the connecting rod 2 is connected with the occluding block 1. The other end of the connecting rod 2 is connected with an indicating plate 3.
As shown in fig. 3, the indicator plate 3 has an outer contour matching the root of the lower tooth. The outer side of the indicator panel 3 is connected to the connecting rod 2. The inner side of the indicator panel 3 is connected to the marking panel 4. The marking plate 4 has a shield portion that shields the lower alveolar neurovascular bundle 7. The side wall of the protection part and the side wall of the indicating plate 3 enclose a safe area for operation.
Wherein, recess 5 is used for making the sufficient laminating of dental crown of bite-block 1 and lower tooth, and then improves the intertooth space positioning accuracy of bite-block to promote the maintenance nature of this operation baffle. The outer contour of the indicating plate 3 is used for marking the position of the tooth root, and the tooth root is prevented from being damaged in the operation process. The indicator board 3 that has certain thickness is used for strengthening the structural strength of whole operation baffle on the one hand, and on the other hand is convenient for strut the soft tissue, expands operation space, further improves the convenience of operation. The marking plate 4 is used for marking the position of the lower alveolar neurovascular bundle 7, thereby further reducing the damage caused in the operation.
In addition, in the safety zone that supplies operation is enclosed into to the lateral wall of protection part and the lateral wall of indicator plate 3, art district module is few, and the piece that produces is few, has avoided secondary damage. Meanwhile, the safety zone is only used for marking the boundary of the operation safety zone, and 3D printing time and economic cost are reduced.
As shown in fig. 2, the connecting rod 2 has a circular arc shape. The circular arc shape protrudes to the outside of the indicating plate 3. So set up, form between convex connecting rod 2 and the indicator panel 3 and dodge the space, dodge the space and be used for avoiding just abnormal support groove and arch wire, avoided this operation baffle and just abnormal support groove and arch wire to take place to interfere, be favorable to further optimizing the operating space in the operation.
In order to further improve the positioning accuracy of the bite block 1, a tooth socket matching with the crown of the upper tooth is provided on the top of the bite block 1, and the tooth socket is engaged with the crown of the upper tooth. So set up, tooth's socket and recess 5 form the interdental positioning to the crown of upper teeth and the crown of lower tooth respectively, have realized dual location, have improved the positioning accuracy of interlock piece 1, and then are favorable to further improving the accuracy of operation.
The thickness of the bite block 1 can be selected to be 2mm to 4 mm. Due to the arrangement, the bite block 1 with the proper thickness can be conveniently selected according to the personalized operation requirement, the structural strength of the bite block 1 is ensured, and the stability of the operation guide plate is further improved.
In order to further reduce the injury to the tooth root in the operation, the inner side of the indicating plate 3 is provided with a concave part which is attached to the surface of the lower tooth 6, and the concave part is positioned at the middle upper part of the indicating plate 3. Due to the arrangement, the inner side of the indicating plate 3 is convenient to better fit with the tooth surface of the lower tooth, the outer contour is favorable for more accurately displaying the tooth root position of the lower tooth, and further the damage to the tooth root in the operation is further reduced.
The embodiment of the utility model provides an in provide an individualized PAOO operation baffle with dissect guide and shelter from soft tissue function promote the application in-process, form triple benefits in social, technical and economic aspect. For example, PAOO may improve the manner in which orthodontic treatment is assisted, making tooth movement easier, reducing the time and cost savings for the patient, and reducing intraoral anchorage devices and extraoral arches as appropriate, improving the manner in which orthodontic treatment is performed. Meanwhile, the PAOO operation can reconstruct the periodontal tissues of a patient, is beneficial to the health of the periodontal tissues, has better effect after orthodontic treatment than the traditional treatment, not only reduces the tooth root absorption, but also is beneficial to reducing the orthodontic recurrence rate by PAOO auxiliary orthodontic treatment, and has stronger postoperative stability. The PAOO auxiliary personalized operation guide plate with the functions of anatomical guidance and soft tissue shielding can improve the operation accuracy, reduce the operation trauma, shorten the operation time, reduce the incidence of postoperative complications and provide higher-quality medical services for patients.
With the popularization of CBCT in clinical diagnosis and treatment of oral cavity, CBCT has become an important means for orthodontists and periodontists to evaluate alveolar bone mass of patients. The CBCT can record the relationship among teeth, alveolar bones and important nerve vessels of a patient, the distance between adjacent tooth roots and the limit of tooth movement from a three-dimensional layer, and can help a doctor to discover and prevent bone windowing and bone cracking as early as possible, so that the orthodontist can effectively manage and control the tooth movement in the whole orthodontic treatment process and assist the further development of PAOO technology. In addition, under the large background of digital medical treatment and accurate medical treatment modes, the 3D printing technology is more and more widely applied to orthodontic clinical diagnosis and treatment, and great support is provided for clinical diagnosis and treatment. 3D prints and has realized the accurate customization of digitization, forms the material object after accomplishing 3D through three-dimensional design, section processing, has accomplished the difficult work that develops of traditional technology, has changed traditional manufacturing. The 3D printing technology can be combined with CBCT to realize accurate medical treatment, the fusion of the two technologies promotes the reform and innovation of the oral PAOO technology, realizes the breakthrough of a new technology, and has great prospect advantages in the development of future oral medical treatment.
The PAOO auxiliary personalized operation guide plate with the functions of anatomical guidance and soft tissue shielding is manufactured by using CBCT and 3D printing technologies, 1) the method is quick and time-saving, can be completed without a traditional process room, can be manufactured in a portable way in a hospital, and reduces delivery and transportation costs; 2) a large amount of raw materials are saved, the cost is low, and the environment is protected; 3) the guide plate is personalized, breaks through the design limitation, is simple to operate, and completely meets the treatment and technical requirements of periodontal and orthodontic doctors; 4) the preparation is exquisite, has promoted the degree of completion and the accuracy of baffle, and patient's comfort is strong, is particularly suitable for carrying on a large amount of clinical popularization.
The present invention is not limited to the specific technical solutions described in the above embodiments, and other embodiments can be provided in addition to the above embodiments. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like that are made within the spirit and principle of the present invention are within the scope of the present invention.
Claims (5)
1. A personalized PAOO surgical guide plate with functions of anatomical guidance and soft tissue shielding is characterized by comprising an occluding block, a connecting rod, an indicating plate and a marking plate which are sequentially connected;
the bottom of the occlusion block is provided with a groove used for matching with a crown of a lower tooth, and when the occlusion block is used, the groove is embedded with the crown of the lower tooth to position the occlusion block between teeth;
two ends of the connecting rod are respectively fixedly connected with the occluding block and the indicating plate;
the indicating plate is provided with an outer contour used for matching with a tooth root of a lower tooth, the outer side of the indicating plate is connected with the connecting rod, and the inner side of the indicating plate is connected with the marking plate;
the marking plate is provided with a protective part for shielding the lower alveolar neurovascular bundle, and the side wall of the protective part and the side wall of the indicating plate enclose a safe area for operation.
2. The personalized PAOO surgical guide having anatomical guidance and soft tissue shielding functions as claimed in claim 1, wherein the connecting rod is in the shape of a circular arc, which is convex to the outside of the indicator plate.
3. The personalized PAOO surgical guide with anatomical guidance and soft tissue shielding functions as claimed in claim 1, wherein the top of the bite block is provided with a tooth socket matched with the crown of the upper tooth, and the tooth socket is engaged with the crown of the upper tooth.
4. The personalized PAOO surgical guide with anatomical guidance and soft tissue shielding functions as claimed in claim 1, wherein the inner side of the indicator plate is provided with a recess fitting the lower tooth surface, the recess being located at the middle upper part of the indicator plate.
5. The personalized PAOO surgical guide with anatomical guiding and soft tissue shielding functionality according to claim 1, wherein the thickness of the bite block is 2mm-4 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220570839.9U CN217090947U (en) | 2022-03-16 | 2022-03-16 | Personalized PAOO surgical guide plate with functions of anatomical guiding and soft tissue shielding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220570839.9U CN217090947U (en) | 2022-03-16 | 2022-03-16 | Personalized PAOO surgical guide plate with functions of anatomical guiding and soft tissue shielding |
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| Publication Number | Publication Date |
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| CN217090947U true CN217090947U (en) | 2022-08-02 |
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| CN202220570839.9U Expired - Fee Related CN217090947U (en) | 2022-03-16 | 2022-03-16 | Personalized PAOO surgical guide plate with functions of anatomical guiding and soft tissue shielding |
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- 2022-03-16 CN CN202220570839.9U patent/CN217090947U/en not_active Expired - Fee Related
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Granted publication date: 20220802 |