TWI802018B - Three-point positioning dental positioning guide and its three-point positioning modeling method - Google Patents

Abstract

A three-point positioning dental positioning guide plate is composed of a first plate and a second plate, wherein a first positioning hole is defined and formed on the first plate, and a second position is defined and formed on the second plate. holes, and the pivot joint between the first plate and the second plate is defined to form a third positioning hole, and the extension directions of the first positioning hole, the second positioning hole and the third positioning hole are parallel to each other. The first positioning hole, the second positioning hole and the third positioning hole can respectively guide and implant a positioning column, and the three-point positioning basis thus formed can be used as a modeling basis to accurately reproduce a dental model of the oral cavity.

Description

Three-point positioning dental positioning guide and its three-point positioning modeling method

The invention relates to a dental operation guide plate, in particular to a three-point positioning dental positioning guide plate and a three-point positioning modeling method that can be flexibly adjusted in response to various clinical needs.

Press, the traditional way of dental implant mainly depends on the experience of the dentist himself to judge the location, depth and force of the drilling. It is also difficult to make a 100% accurate judgment when performing bone positioning, parallelism calibration, etc., and there are certain risks.

Therefore, at present, during the dental implant surgery, the dental implant planning is carried out in advance according to preoperative X-rays or computed tomography (CT), and the shape of the dentition in the edentulous area is obtained after the patient is occluded through the transfer model. After the oral dental model (modeling) is made from the plaster mold, the exclusive surgical guide plate device and dentures are produced accordingly, and the surgical guide plate device is used to ensure the accuracy of the subsequent dental implant surgery Spend. However, the method of making oral dental casts by using plaster molds is quite complicated and prone to errors. Therefore, it is difficult to accurately mark the actual surgical position for the surgical guide plate device based on the oral dental casts. The dentures made of this oral cavity model must be modified by the dentist after the fact in the actual implant process, so that they can meet the actual needs. Therefore, it is not only very troublesome and time-consuming, but also excessive processing and modification will lead to its The strength is greatly reduced. Especially for patients with too many missing teeth or complete edentulous mouth, when modeling, they can only make oral dental models according to their gums, but because the gums are soft tissues and cannot provide a stable positioning basis, the oral dental models made The error with the actual state in the patient's oral cavity will be greater, and it will cause the surgical guide plate device made of it to be unable to accurately correspond to the actual gingiva in the patient's oral cavity Once the number of implants is large and more drill guide holes need to be opened in the surgical guide plate device, the accumulation of errors will lead to deviation and dislocation of the drilling position, which will cause unnecessary follow-up medical disputes.

In view of this, how to solve the above-mentioned problems is the primary subject to be solved by the present invention.

The main purpose of the present invention is to provide a three-point positioning dental positioning guide plate and its three-point positioning modeling method, which can be flexibly adjusted to meet various clinical needs, and can further ensure the accuracy of its oral cavity model Spend.

To achieve the aforementioned purpose, the present invention provides a three-point positioning dental positioning guide, comprising: a first plate, which is plate-shaped and has a first body, and a first body is provided along the first body. A groove, and a first sliding part is slid on the first plate body, and the first sliding part is provided with a first through hole corresponding to the position of the first groove, so that the first through hole and the first through hole The first grooves can form a first positioning hole with each other, and one end of the first plate body is defined to form a first end, and a first through hole is opened at the first end; a second plate is a plate It is sheet-shaped and has a second plate body, and a second groove is provided along the second plate body, and a second sliding member is slid on the second plate body, and a second sliding member is provided with a The position of the groove corresponds to the second through hole, so that the second through hole and the second groove can form a second positioning hole with each other, and one end of the second plate body is defined to form a second end, and A second through hole is provided at the second end, and the first plate is pivotally connected to the second end of the second plate with its first end, so that the first through hole overlaps with the second through hole combined to form a third positioning hole, and the extension directions of the first positioning hole, the second positioning hole and the third positioning hole are parallel to each other.

And further, the present invention further provides a three-point positioning modeling method, the steps of which include: a. Obtaining a patient's oral cavity image, and determining a first anchor point position, a second anchor point position and a third anchor point position in the patient's oral cavity according to the oral cavity image data; b. Use the third positioning hole of the dental positioning guide to align the position of the first positioning point in the patient's oral cavity, and then perform alveolar bone drilling on the position of the first positioning point through the third positioning hole, and then place a first The positioning column is implanted at the first positioning point of the patient's alveolar bone; c. By sliding the first sliding member and the second sliding member, and adjusting the pivot angle of the first plate and the second plate, the first positioning hole and the second positioning hole can be aligned with the patient’s oral cavity respectively The position of the second positioning point and the position of the third positioning point, and then perform alveolar bone drilling on the second positioning point position through the first positioning hole, and perform alveolar bone drilling on the third positioning point position through the second positioning hole. After the alveolar bone is drilled, a second positioning post and a third positioning post are respectively implanted in the second positioning point position and the second positioning point position of the patient's alveolar bone, so that the first positioning post, the second positioning post The second positioning column and the third positioning column can constitute a basis for three-point positioning; d. Taking the three-point positioning basis formed by the first positioning column, the second positioning column and the third positioning column as a modeling basis, a dental model of the oral cavity is turned out.

The above objects and advantages of the present invention can be easily understood from the detailed description of the following selected embodiments and the accompanying drawings.

11: The first pattern

12: The first body

121: first end

13: The first groove

14: The first slider

141: sleeve opening

15: The first through hole

16: The first positioning hole

17: First piercing

21: The second plate

22: Second body

221: second end

2211: side wall

222: Curved section

23: Second groove

24: Second slider

241: set mouth

25: Second through hole

26: The second positioning hole

27: Second piercing

28: The third positioning hole

29: Grooving

31: Pivot piece

32: Distance scale

33: Angle scale

C1: The position of the first anchor point

C2: The position of the second anchor point

C3: The position of the third anchor point

41: The first positioning column

42: The second positioning column

43: The third positioning column

Figure 1 is a schematic structural view of the three-point positioning dental positioning guide plate of the present invention.

Figure 2 is an exploded schematic view of the three-point positioning dental positioning guide plate of the present invention.

Fig. 3 is a structural schematic diagram of a preferred implementation state of the three-point positioning dental positioning guide plate of the present invention.

Fig. 4 is a schematic flow chart of the three-point positioning modeling method of the present invention.

Figures 5 to 8 are schematic diagrams of the operation of the three-point positioning modeling method of the present invention.

First of all, please refer to Figures 1-2, which is a three-point positioning dental positioning guide plate provided by the present invention, which is mainly composed of a first plate 11 and a second plate 21 that are pivotally connected to each other, wherein: The first plate 11 is plate-shaped and has a first body 12, and a first groove 13 is provided along the first body 12, and a first groove 13 is slid on the first body 12. Slider 14, the first slider 14 has a first through hole 15 corresponding to the position of the first groove 13, so that the first through hole 15 and the first groove 13 can mutually form a first The positioning hole 16 is defined by one end of the first board body 12 to form a first end portion 121 , and a first through hole 17 is defined in the first end portion 121 . In this embodiment, the first sliding member 14 has a sleeve opening 141 perpendicular to the opening direction of the first through hole 15, so that the first sliding member 14 can be correspondingly sleeved on the first sliding member 14 through the sleeve opening 141. on the board body 12 and slide relative to the first board body 12 .

The second plate 21 is plate-shaped and has a second body 22, and a second groove 23 is opened along the second body 22, and a second groove 23 is slid on the second body 22. Slider 24, the second slider 24 offers a second through hole 25 corresponding to the position of the second groove 23, so that the second through hole 25 and the second groove 23 can mutually form a second Positioning hole 26, and one end of this second plate body 22 defines and forms a second end 221, and a second perforation 27 is opened in this second end 221, and this first plate 11 is with its first end 121 is pivotally connected to the second end 221 of the second plate 21 , so that the first through hole 17 and the second through hole 27 overlap to form a third positioning hole 28 . In this embodiment, the second sliding member 24 also has a sleeve opening 241 perpendicular to the opening direction of the second through hole 25, so that the second sliding member 24 can be sleeved on the second sliding member 24 through the sleeve opening 241 correspondingly. on the second board body 22 , and slide relative to the second board body 22 , and further have a curved section 222 between the second board body 22 and its second end 221 , and on the second board body 22 . The middle position of the second end portion 221 is provided with a sectional groove 29 laterally, and the opening direction of the sectional groove 29 is perpendicular to the opening direction of the second through hole 27. Straight, so that the second end 221 is formed with two side walls 2211 that are arranged in parallel and spaced apart and are pierced with the second through hole 27 at the same time. In the slot 29 between the side walls 2211, the first through hole 17 and the second through hole 27 are overlapped, and a hollow ring-shaped pivot member 31 is passed through the first through hole 17 and the second through hole 27 in the third positioning hole 28, so that the first plate 11 and the second plate 21 can be pivotally connected together, and by the design of the curved section 222, the first plate 11, after its first end 121 is pivotally connected to the second end 221 of the second plate 21, it can be roughly in a "U" shape, which is similar to the shape of the oral cavity and gums, and the pivot member 31 can be used as the axis. And relatively parallel pivot swing, and the extension direction of the first positioning hole 16, the second positioning hole 26 and the third positioning hole 28 are arranged parallel to each other, and thus the three-point positioning dental system provided by the present invention can be constituted. Position the guides.

Preferably, the first sliding member 14 and the second sliding member 24 can respectively be close to tight-fit sockets, or additionally locked by bolts (not shown) to limit their sliding adjustment. Location. Also as shown in Figure 3, a distance scale 32 can be engraved or printed on the first board body 12 and the second board body 22 respectively, so that the dentist can accurately adjust and judge the first sliding member 14 and the position after sliding with the second sliding member 24; and the end face of the second end 221 may also be engraved or printed with an angle scale 33 distributed along the circumference of the second perforation 27 for the dentist The relative pivoting angle of the first plate 11 and the second plate 21 can be precisely adjusted and judged.

In addition, as shown in Figure 4, the present invention further provides a positioning modeling method using the aforementioned three-point positioning dental positioning guide, the steps of which include:

a. Obtain an oral image of a patient, which can be obtained by taking X-ray or CT computerized tomography to obtain an oral image data, and as shown in Figure 5, based on the oral image data can be used to determine a first in the patient's oral cavity An anchor point position C1, a second anchor point position C2 and a third anchor point position C3, and the oral cavity image data at least include the information of the shape of the dental arch, the edentulous part and the alveolar bone.

b. Use the third positioning hole 28 of the dental positioning guide to align the first positioning point position C1 in the patient's oral cavity (as shown in Figure 6), and then carry out the first positioning point position C1 through the third positioning hole 28 After the alveolar bone is drilled, a first positioning column 41 is implanted at the first positioning point C1 of the patient's alveolar bone.

c. Then as shown in Fig. 7, by sliding the first sliding member 14 and the second sliding member 24, and adjusting the pivot angle of the first plate 11 and the second plate 21, the first positioning hole 16 and the second positioning hole 26 can be respectively aligned with the second positioning point position C2 and the third positioning point position C3 in the patient's oral cavity, and then the alveolar bone position of the second positioning point position C2 is carried out through the first positioning hole 16 After drilling the alveolar bone and drilling the third positioning point position C3 through the second positioning hole 26, a second positioning post 42 and a third positioning post 43 are respectively implanted in the alveolar bone of the patient. The second positioning point position C2 and the second positioning point position C2, so that the first positioning column 41, the second positioning column 42 and the third positioning column 43 can constitute a three-point positioning basis; wherein, the first positioning column 41. The second positioning post 42 and the third positioning post 43 can be directly formed by an artificial implant.

d. Finally, as shown in Figure 8, with the three-point positioning basis formed by the first positioning column 41, the second positioning column 42 and the third positioning column 43 as the modeling basis, a dental model can be reproduced (not shown in the figure), and after obtaining the occlusal record, the corresponding surgical guide device and its dentures can be precisely manufactured. Taking patients with many missing teeth or complete edentulous mouth as an example, three positioning or artificial implants can be implanted in the oral cavity first with the positioning modeling method provided by the present invention, and then based on the three-point positioning basis. The basis of modeling is to reproduce the oral dental model, and based on the oral dental model and its occlusal records, the surgical guide device and dentures required for the subsequent dental implant surgery can be directly and accurately produced, and the accuracy can be ensured.

The three-point positioning dental positioning guide and its positioning modeling method provided by the present invention can have the following advantages:

1. The dental positioning guide plate of the three-point positioning type provided by the present invention uses the hollow pivot member 31 as the reference position of the first positioning point, and then slides the first sliding member 14 and the second sliding member 24 , and adjust the pivot of the first plate 11 and the second plate 21 Angle, the reference position of the three-point positioning can be precisely positioned, and the position can be adjusted by sliding the first sliding member 14 and the second sliding member 24, and the first plate 11 and the second plate 21 It has the characteristics of relative pivoting and can be flexibly adjusted to meet various clinical needs.

2. The dental positioning guide plate of the three-point positioning type provided by the present invention uses a stacking method to respectively form the first positioning hole 16, the second positioning hole 26 and the third positioning hole 28, so that the dental positioning guide can be effectively reduced. The size of the plate makes it easier to be placed in the patient's mouth, and has the advantage of convenient operation.

3. The dental positioning guide plate of the three-point positioning type provided by the present invention is arranged parallel to each other through the extension directions of the first positioning hole 16, the second positioning hole 26 and the third positioning hole 28, so it can ensure its follow-up The parallelism of the drilling direction.

4. The three-point positioning modeling method adopted in the present invention, using its three-point positioning dental positioning guide, can first implant three positioning columns on the patient's alveolar bone or directly implant artificial implants, so it can provide The extremely stable positioning foundation can effectively reduce the error of the subsequent dental model.

5. The three-point positioning modeling method adopted in the present invention uses its three-point positioning basis as the modeling basis to reproduce the oral cavity model, and based on the oral cavity model and occlusal records, it can directly and accurately produce The surgical guide device and dentures required for subsequent dental implant surgery can greatly reduce the time required for subsequent dental implant surgery, and can effectively avoid unnecessary medical disputes.

However, the disclosure of the above embodiments is only used to illustrate the present invention, not to limit the present invention, so any changes in numerical values or replacement of equivalent elements should still fall within the scope of the present invention.

To sum up, when it can make those who are familiar with this technology understand that the present invention can clearly achieve the above-mentioned purpose, it actually complies with the provisions of the Patent Law, so the application is filed according to the law.

11: The first pattern

12: The first body

121: first end

13: The first groove

14: The first slider

15: The first through hole

16: The first positioning hole

21: The second plate

22: Second body

221: second end

222: Curved section

23: Second groove

24: Second slider

25: Second through hole

26: The second positioning hole

27: Second piercing

28: The third positioning hole

29: Grooving

31: Pivot piece

Claims (8)

A three-point positioning dental positioning guide plate includes: a first plate, which is in the shape of a plate and has a first body, and a first groove is opened along the first body, and on the first A first sliding part is slid on the board, and the first sliding part is provided with a first through hole corresponding to the position of the first groove, so that the first through hole and the first groove can form a first through hole mutually. A positioning hole, and one end of the first plate body is defined to form a first end portion, and a first through hole is opened at the first end portion; a second plate sheet is plate-shaped and has a second plate body , and a second groove is opened along the second board body, and a second sliding part is slid on the second board body, and a second sliding part corresponding to the position of the second groove is opened on the second board body. A through hole, so that the second through hole and the second groove can mutually form a second positioning hole, and one end of the second plate body is defined to form a second end, and a first end is opened at the second end. Two through holes, and the first plate is pivotally connected with the second end of the second plate with its first end, so that the first through hole and the second through hole are overlapped to form a third positioning hole , and the extension directions of the first positioning hole, the second positioning hole and the third positioning hole are parallel to each other. The three-point positioning dental positioning guide plate as described in Claim 1, wherein the first sliding member has a sleeve opening perpendicular to the opening direction of the first through hole, so that the first sliding member can use the sleeve opening Correspondingly socketed on the first board body, and slide relative to the first board body, and the second sliding part also has a sleeve opening perpendicular to the opening direction of the second through hole, so that the second sliding part can The sleeve opening is correspondingly sleeved on the second board body and slides relative to the second board body. The three-point positioning dental positioning guide plate as described in claim 1, wherein, the second end of the second plate is provided with a sectional groove laterally, and the opening direction of the sectional groove is opposite to the opening direction of the second through hole. Vertical, so that the second end is formed with two side walls that are arranged in parallel and spaced apart and pierced with the second through hole at the same time, and the first plate is inserted into the slot between the two side walls with its first end corresponding The first through hole and the second through hole are superimposed, and a hollow annular pivot member is passed through the third positioning hole formed by the superposition of the first through hole and the second through hole, and The first plate and the second plate can be pivotally connected together. The three-point positioning dental positioning guide plate as described in claim 1, wherein there is a curved section between the second plate body and its second end, so that the first plate is connected to the first end of the first plate After the second end of the second plate is pivotally connected, it can generally be in a "U" shape. The three-point positioning dental positioning guide plate as described in claim 1, wherein a distance scale is provided on the first plate body and the second plate body to judge the first sliding member and the second sliding member Position after swipe. The three-point positioning dental positioning guide plate as described in Claim 1, wherein, the end surface of the second end portion is engraved or printed with an angle scale distributed along the circumference of the second perforation, which can be used for judging the The relative pivotal angle of the first plate and the second plate. A three-point positioning modeling method using the three-point positioning dental positioning guide described in Claim 1, the steps include: a. Obtaining a patient's oral cavity image, and determining a first anchor point position, a second anchor point position and a third anchor point position in the patient's oral cavity according to the oral cavity image data; b. Use the third positioning hole of the dental positioning guide to align the position of the first positioning point in the oral cavity of the patient, and then check the position of the first positioning point through the third positioning hole. After the alveolar bone is drilled, a first positioning column is implanted at the first positioning point of the patient's alveolar bone; c. By sliding the first sliding member and the second sliding member, and adjusting the pivot angle of the first plate and the second plate, the first positioning hole and the second positioning hole can be aligned with the patient’s oral cavity respectively The position of the second positioning point and the position of the third positioning point, and then perform alveolar bone drilling on the second positioning point position through the first positioning hole, and perform alveolar bone drilling on the third positioning point position through the second positioning hole. After the alveolar bone is drilled, a second positioning post and a third positioning post are respectively implanted in the second positioning point position and the second positioning point position of the patient's alveolar bone, so that the first positioning post, the second positioning post The second positioning column and the third positioning column can constitute a basis for three-point positioning; d. Taking the three-point positioning basis formed by the first positioning column, the second positioning column and the third positioning column as a modeling basis, a dental model of the oral cavity is turned out. The three-point positioning modeling method as described in Claim 7, wherein the first positioning column, the second positioning column, and the third positioning column are respectively composed of an artificial implant.

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