Double-guide plate for assisting apical surgery

Abstract

The utility model provides a double-guide plate for assisting an apical operation, and belongs to the field of dental pulp pathology in oral medicine. The double-guide guide plate comprises a tooth supporting part and a double-guide guide part; the tooth supporting part comprises a tooth supporting guide plate, and the tooth supporting guide plate wraps the surface of a tooth body and is tightly attached to the surface of the tooth; the double-guide part comprises two parallel guide tubes, and the two guide tubes are connected with the tooth supporting guide plate and used for guiding guide legs on the two sides of the dental handpiece. According to the utility model, the dental handpiece can be guided to be accurately positioned and cut; a drill point used in an operation and cortical bones in an operation area cannot be blocked by sight, and observation and water spraying cooling during the operation are facilitated; when the apex flap turning operation is carried out, the opened gingival flap can be put on the tube wall of the guide tube, so that the operation in the operation is facilitated, the damage of traction to the gingiva is reduced, and the soft tissue can be recovered as soon as possible.

Description

Technical Field

[0001] This utility model belongs to the field of dental endoscopy in oral medicine, and specifically relates to a double guide plate for assisting periapical surgery. Background Technology

[0002] Periapical surgery is an important means of preserving affected teeth. It can be considered when periapical lesions persist after root canal treatment. Since the 1990s, the application of surgical microscopes, CBCT, matching microsurgical instruments, and biocompatible retrograde filling materials in periapical surgery has increased the visualization and operability of the procedure, reduced surgical trauma to some extent, and improved the sealing effect of retrograde fillings. With technological advancements, microsurgical periapical surgery has gradually replaced traditional periapical surgery. The challenges of microsurgical periapical surgery include microscopic manipulation, apical localization, and apical resection, with apical resection being one of the key steps. To address these challenges, digitally designed surgical guides can now be used to assist in microsurgical periapical surgery.

[0003] Chinese patent publication CN107714200A discloses a one-cut digital periapical surgical guide. Using a soft tissue incision indicator line and a soft tissue support, the surgical area can be exposed without extensive incision and flap treatment, reducing soft tissue damage, shortening wound healing time, and to some extent reducing postoperative gingival recession. The guide's positioning holes allow for precise indication of the lesion area, enabling accurate positioning of the surgical location, angle, and direction during periapical surgery.

[0004] Chinese patent publication CN117695030A discloses a novel combined bone-supported periapical surgical guide and its manufacturing method. It consists of a separate retention guide and a surgical limiting guide. The retention guide is vertically positioned on the tooth surface and fits tightly against it. The retention guide has at least one retention observation window for exposing the occlusal surface of the tooth. The surgical limiting guide has a surgical guidance window that fits tightly against the buccal periapical bone wall. An upper connecting seat extends downwards from the lower end of the retention guide, and a lower connecting seat extends upwards from the upper end of the surgical limiting guide. The upper and lower connecting seats are quickly connected by snap-fit ​​and magnets. A magnet is detachably installed inside the upper connecting seat, and the lower connecting seat is made of magnetic material. The separate design allows the retention guide and surgical limiting guide to be positioned independently and connected by snap-fit ​​and magnets, effectively solving the problem of different positioning paths for the two guides. The separate design of the combined guide makes surgical operations more flexible.

[0005] Problems with existing apical surgical guides:

[0006] (1) The surgical area cannot be directly viewed. The guide plate will obstruct the view of the drill used in the operation and the cortical bone of the surgical area.

[0007] (2) There are parts on the guide plate that are in close contact with the cutting end of the surgical instrument. The use of the surgical guide plate will restrict the flow of cooling water to the surgical area, which will cause the temperature to rise and cause thermal damage to the bone.

[0008] (3) The guide plate is in direct contact with the osteotomy instruments, which poses a risk of guide plate debris falling into the surgical area;

[0009] (4) The gingival flap opened by flap surgery, which is commonly used in current root apical surgery, cannot provide additional support. Utility Model Content

[0010] The purpose of this invention is to solve the problems existing in the prior art and provide a double guide plate to assist in apical surgery. It does not obstruct the view of the drill used in the operation and the cortical bone of the surgical area, and is convenient for water spraying for cooling. It can also provide auxiliary support for the gingival flap opened by flap surgery commonly used in apical surgery.

[0011] This utility model is achieved through the following technical solution:

[0012] This utility model provides a double guide plate for assisting periapical surgery, including a tooth support part and a double guide part;

[0013] The tooth support includes a tooth support guide plate, which wraps around the tooth surface and fits tightly against the tooth surface.

[0014] The dual-guide section includes two parallel guide tubes, which are connected to the dental support guide plate. The two guide tubes are used to guide the guide legs on both sides of the dental handpiece.

[0015] The further improvement of this utility model is as follows:

[0016] The tooth support also includes a connecting part, through which the two guide tubes are connected to the tooth support guide plate.

[0017] The further improvement of this utility model is as follows:

[0018] The thickness of the dental support guide plate is 3-4 mm.

[0019] The further improvement of this utility model is as follows:

[0020] Observation holes are provided on both sides of the tooth support guide, close to the occlusal surface of the teeth.

[0021] The further improvement of this utility model is as follows:

[0022] The length of the observation hole is 4–7 mm.

[0023] Compared with the prior art, the beneficial effects of this utility model are:

[0024] The dual-guide plate of this utility model for assisting periapical surgery includes two parallel guide tubes. The two guide tubes are connected to the tooth support guide plate through a connecting part. The two guide tubes are used to guide the guide legs on both sides of the dental handpiece. During periapical surgery, the tooth support guide plate is first placed on the tooth surface and made to fit tightly against the tooth surface. The surgeon inserts the guide legs on both sides of the dental handpiece into the two parallel guide tubes respectively. The guide tubes can guide the guide legs of the dental handpiece to locate the resection area of ​​the periapical surgery, thereby achieving precise resection.

[0025] In this invention, because there is a certain distance between the two guide tubes and the guide legs on both sides of the dental handpiece are used instead of directly guiding the drill bit, the cutting area is fully exposed. There is no obstruction of the view of the drill bit used in the operation and the cortical bone of the surgical area. This allows the surgeon to directly see the surgical area, which is convenient for intraoperative observation and water spraying for cooling, and will not cause bone thermal damage.

[0026] By using the double guide plate of this utility model, the gingival flap can be placed on the wall of the guide tube during the flap surgery commonly used in periapical surgery. This provides a blocking and auxiliary support for the soft tissue, facilitating intraoperative operation, reducing traction damage to the gingiva, and promoting rapid soft tissue recovery. This provides support for precise and personalized periapical surgery and assists endodontists, especially young dentists, in successfully completing the surgery. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the main structure of the dual guide plate for assisting apical surgery according to this utility model;

[0028] Figure 2 This is a top view schematic diagram of the dual guide plate structure for assisting apical surgery according to this utility model.

[0029] In the figure, 1 is the tooth support part, 1-1 is the tooth support guide plate, 1-2 is the connecting part, 1-3 is the observation hole, and 2 is the double guide part. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings:

[0031] like Figure 1 and Figure 2 As shown, this utility model provides a double guide plate for assisting periapical surgery, including a tooth support part 1 and a double guide part 2;

[0032] The tooth support part 1 includes a tooth support guide plate 1-1 and a connecting part 1-2 connected to the tooth support guide plate 1-1. The tooth support guide plate 1-1 wraps around the tooth surface and fits tightly against the tooth surface.

[0033] The dual-guide section 2 includes two parallel guide tubes, which are connected to the dental support guide plate 1-1 via a connecting part 1-2. The two guide tubes are used to guide the guide legs on both sides of the dental handpiece.

[0034] The depth of the guide tube is determined by the depth of the cut required during the operation. When the guide leg is fully inserted into the guide tube, the required cutting depth is reached, achieving precise cutting.

[0035] The dental handpiece is fitted with detachable guide legs on both sides. The outer diameter of the guide legs matches the inner diameter of the guide tube, allowing the guide legs to be tightly placed within the guide tube and move up and down, thereby guiding the dental handpiece for precise positioning and cutting. The structure of the dental handpiece is an existing structure, and for details, please refer to the paper "New innovative method relating guided surgery to dental implant placement" published by M.-A. Fauroux et al. [J / OL]. Journal of Stomatology, Oral and Maxillofacial Surgery, 2018, 119(3):249-253.

[0036] The angle of the guide tube is determined based on the angle of the root cut. The guide tube is perpendicular to the long axis of the tooth, which is a geometric axis that runs longitudinally through the tooth and passes through the center of the tooth.

[0037] During periapical surgery, the dental support guide 1-1 is first placed on the tooth surface and made to fit tightly against it. The surgeon inserts the guide legs on both sides of the dental handpiece into two parallel guide tubes. The guide tubes guide the guide legs on both sides of the dental handpiece to locate the resection area for the periapical surgery, so as to achieve precise resection. Because there is a certain distance between the two guide tubes, and the guides guide the guide legs on both sides of the dental handpiece rather than directly guiding the drill bit, the cutting area is fully exposed without obstructing the view of the drill bit and the cortical bone of the surgical area. This allows the surgeon to have direct vision of the surgical area, which is convenient for observation and water spraying for cooling, and will not cause bone thermal damage. When flap surgery is commonly used in periapical surgery, the flap can be placed on the wall of the guide tube to block and support the soft tissue, which facilitates the operation during the operation, reduces traction damage to the gingiva, and promotes the rapid recovery of soft tissue.

[0038] In a preferred embodiment of this utility model, in order to ensure strength and prevent it from breaking easily, the thickness of the tooth support guide plate 1-1 in this utility model is set to 3-4 mm.

[0039] The tooth support guide 1-1 has observation holes 1-3 on both sides near the occlusal surface of the teeth, which makes it easy to observe whether the tooth support guide 1-1 is in close contact with the tooth surface.

[0040] The observation holes 1-3 are designed to surround 1-2 adjacent teeth, exposing the occlusal surface of the teeth. This allows the surgeon to easily observe whether the tooth support guide 1-1 is in contact with the tooth surface. Preferably, the length of the observation holes 1-3 is set to 4-7 mm.

[0041] This novel double-guide plate has been used in clinical microsurgical root apical surgery to assist in the resection of the root apex, providing precise positioning and ample surgical field of vision as well as space for water spraying for cooling.

[0042] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0043] In the description of this utility model, unless otherwise stated, the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0044] The above technical solution is only one implementation of this utility model. For those skilled in the art, based on the principles disclosed in this utility model, it is easy to make various types of improvements or modifications, and not limited to the technical solutions described in the above specific embodiments of this utility model. Therefore, the foregoing description is only a preferred option and does not have a limiting meaning.

Claims

1. A dual-guide plate for assisting apical surgery, characterized in that, Includes a dental support and a double-guided portion; The tooth support includes a tooth support guide plate, which wraps around the tooth surface and fits tightly against the tooth surface. The dual-guide section includes two parallel guide tubes, which are connected to the dental support guide plate. The two guide tubes are used to guide the guide legs on both sides of the dental handpiece.

2. The dual guide plate for assisting apical surgery according to claim 1, characterized in that, The tooth support also includes a connecting part, through which the two guide tubes are connected to the tooth support guide plate.

3. The dual guide plate for assisting apical surgery according to claim 1 or 2, characterized in that, The thickness of the dental support guide plate is 3~4mm.

4. The dual guide plate for assisting apical surgery according to claim 1, characterized in that, The tooth support guide plate has observation holes on both sides, close to the occlusal surface of the teeth.

5. The dual guide plate for assisting apical surgery according to claim 4, characterized in that, The length of the observation hole is 4~7mm.

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