TWM567081U - Dental implant positioning and guiding assembly - Google Patents

Abstract

A dental implant positioning guide assembly comprises: a positioning rod, a convex positioning element, a concave engaging element, a connecting element and a plurality of guiding elements. The positioning rod is inserted into a bore drilled in advance in a dental model of one of the patients. The protruding positioning component defines a through hole corresponding to the positioning rod for being sleeved on the positioning rod. The female snap-fit element is positionally mountable to the raised positioning element. The connecting element is secured to one side of the female snap-fit element and has an oral contact surface that conforms to the oral contour of one of the patient for engaging the contour of the cavity. Any one of the guiding elements is positionally assembled to the concave engaging element, and the guiding element defines a notch, and a curved guiding surface is formed at the notch to guide the surgical performer to drill a Implants.

Description

Dental implant positioning guide assembly

The present invention relates to a positioning guide assembly, and more particularly to a dental implant positioning guide assembly.

Dental implant surgery is a method of repairing the missing teeth based on the lower half of the implant implanted in the bone tissue to support and fix the upper part of the implant. Since the function, structure and aesthetic effect of implants are very similar to those of natural teeth, dental implant surgery has become the preferred method of repair for more and more patients with missing teeth. Before implanting the implant, the dentist needs to drill a dental implant hole in the alveolar bone to accommodate the implant by implant surgery. The dentist needs to use a reamer from small to large to slowly prepare the implant hole. A slight deviation will lead to the failure of the implant surgery and the expected repair effect. Implantation holes with incorrect position, angle and depth will damage potential danger areas such as adjacent teeth, nerves, and superior sinus. It will also increase bone resorption around the implant, disappearance of gingival papilla, mucosal atrophy around the implant, and failure of implant surgery. Probability.

The traditional method of implant surgery is to analyze and formulate the relationship between the bones around the implanted area displayed by the dental X-ray film. The dentist can only infer the three-dimensional anatomical relationship through the two-dimensional image in the actual clinical operation. All operations can only be carried out by the experience of the dentist. The original plan may not be implemented accurately. although At present, there is also a digital dental implant guide technology, which uses a computer to observe and measure the humerus in terms of morphology, and take into account the post-repair and other factors to generate a three-dimensional guide plate model file for full-port scanning 3D printing. However, the design, long print cycle, single missing teeth and multiple missing teeth need to print the full-scan scanning guide, which is expensive and the waiting time is too long, which makes the patient often unacceptable. There are certain difficulties. Due to the long training period of the design software and the high requirements for the hardware equipment of the oral medical institution, it is basically required to be sent to an external processing unit for manufacturing and cannot be directly carried out in the dental clinic. Therefore, the dentist needs to modify and adjust it during clinical use. It is extremely inconvenient to communicate with the external processing unit.

In addition, the Chinese mouth is generally too small, and the digitalized 3D printing guide using the above-mentioned full-mouth scanning has a problem of small operation space in the patient's mouth, especially the posterior region is more difficult to implant, and the number is greatly increased. The difficulty of implant surgery. According to the existing literature in the field of implant surgery, the ideal implant placement position (the position of the implant hole) is located at least 2 mm from the buccal side and 1 to 3 mm from the tip of the neck (Cemento-enamel junction; CEJ). The adjacent teeth are at least 1.5 to 2 mm, and the three-dimensional implant hole position (buccal lingual, near telecentric, apical coronal) is critical for the success and aesthetics of implant implantation.

Moreover, in the prior art, the full-scan scanning guide plate includes a guiding hole for guiding the dentist, which needs to be completed in 3D printing, so different guiding plates will be customized according to the needs of each patient. The printed guide holes cannot be replaced, so that it is impossible to manufacture a general-purpose specification in a large amount, which is inconvenient for the dentist to use. Also because of customization Relationships have problems with excessive costs.

In summary, the problem with the prior art is that the current dental implant surgery has the problem of low implant precision and difficulty in completing the production quickly by the dental chair, and the digital scanning 3D printing guide of the full-mouth scanning has a single Both missing teeth and multiple missing teeth require printing full guides, large-scale manufacturing of general specifications, high cost, and long waiting times.

In view of the prior art, the dental implant surgery has the problem of low implant precision and can not be completed completely by the dental chair, and the digital scanning 3D printing guide of the full-mouth scanning has a single missing tooth and more All the missing teeth need to print the full guide, need to be customized, can not be manufactured in large quantities, the cost is high, and the waiting time is too long. One of the main purposes of this creation is to provide a dental implant positioning guide assembly.

The present invention is directed to solving the problems of the prior art, and the necessary technical means is to provide a dental implant positioning guide assembly for a surgeon to drill at least one of the alveolar bones in one of the patients' mouths. The dental implant has a positioning rod, a convex positioning element, a concave engaging element, a connecting element and a plurality of guiding elements.

The positioning rod is inserted into a bore drilled in advance in an oral cavity model of the patient. The protruding positioning component defines a through hole corresponding to the positioning rod for being sleeved on the positioning rod. The female snap-fit element is positionally mountable to the raised positioning element. The attachment element is secured to one side of the concave engagement element and has an oral contact surface that conforms to the oral contour of one of the patient for engaging the oral contour. Guide element One is positionally assembled to the concave engaging element, and each guiding element has a notch formed therein, and a curved guiding surface is formed at the notch for guiding the operator to the curved guiding surface. At least one implant hole is drilled.

Wherein, after the inner concave engaging element is positionally assembled to the convex positioning component, the surgical performer fixes the connecting component to the concave engaging component, and replaces the protruding positioning component and the positioning rod into the guiding component. In one case, the connecting element, the concave engaging element and the guiding element are finally placed in the oral cavity of the patient, and the oral contour is engaged by the connecting element to guide the drilling of at least one implant hole.

Based on the above-mentioned necessary technical means, one of the subsidiary technical means derived from the present invention is to position the rod in the dental implant positioning guide assembly, which has an upper half and a lower half, and the upper half is a trapezoidal cylinder. The lower half is a cylinder, the upper half is thicker than the lower half, and the upper half is a thick and thin trapezoidal cylinder. The upper half has a circular cross section and a longitudinal section with a trapezoidal shape.

On the basis of the above-mentioned necessary technical means, one of the subsidiary technical means derived from the present invention is to make the convex positioning component in the dental implant positioning guide assembly have an engaging groove on each side thereof.

On the basis of the above-mentioned necessary technical means, one of the subsidiary technical means derived from the present invention is to position the concave engaging element in the dental implant positioning guide assembly, which has two engaging projections on one side of the connecting element. The two engaging protrusions are used for fixing the engaging grooves of the protruding positioning elements.

Based on the above-mentioned necessary technical means, one of the subsidiary technical means derived from the creation is to locate the dental implant positioning guide assembly. The two sides of the guiding element each have an assembly groove, and the assembly groove is configured to be positionally assembled to the two engaging protrusions of the concave engaging element.

On the basis of the above-mentioned necessary technical means, one of the auxiliary technical means derived from the present invention is to guide the guiding elements in the dental implant positioning guide assembly into four guiding elements, and the four guiding guides mentioned above The curved radius of the curved guiding surface of the element is 2.2 mm, 2.8 mm, 3.5 mm and 4.2 mm, respectively.

On the basis of the above-mentioned necessary technical means, one of the subsidiary technical means derived from the present invention is to make the connecting component in the dental implant positioning guiding component, which is composed of a light curing material, and is fixed by a light curing method. Engagement component.

On the basis of the above-mentioned necessary technical means, one of the auxiliary technical means derived from the present invention is to make the connecting element and the concave engaging element in the dental implant positioning guide assembly be integrated with each other by means of 3D printing. forming.

Based on the above-mentioned necessary technical means, an auxiliary technical means derived from the present invention is to fix the connecting elements in the dental implant positioning guide assembly by means of hot-melt fixing of the concave engaging elements.

On the basis of the above-mentioned necessary technical means, one of the subsidiary technical means derived from the present invention is to engage the concave engaging elements in the dental implant positioning guide assembly.

Based on the above-mentioned necessary technical means, one of the auxiliary technical means derived from the present invention is to position the positioning rod, the convex positioning element, the concave engaging element, the connecting element and the guiding element in the dental implant positioning guiding assembly. They are all produced by 3D printing.

Based on the above-mentioned necessary technical means, one of the auxiliary technical means derived from the present invention is to position the positioning rod, the convex positioning element, the concave engaging element, the connecting element and the guiding element in the dental implant positioning guiding assembly. They are all made by pottery casting.

As mentioned above, the dental implant positioning guide provided by the creation can provide the dentist with a complete pre-operative information on the dental implant, including the buccal and lingual side, the near telecentricity, the direction and the angle, and the dental chair. Completed the solution for designing and implanting dental implant guides. The dentist gets the best position of the implant to reduce the chance of implant complications in the future, greatly improving the flexibility of clinical practice and cost-effective. At the same time, a clear principle and specification of the dental implant positioning point is established, and the ideal position and implantation angle of the dental implant hole are finally obtained, thereby reducing the surgical trauma, shortening the operation time, reducing the clinical dental implant failure rate and the probability of dental implant complications.

The positioning of the dental implant positioning guide assembly provided by the present invention is conspicuous, easy to distinguish, and more precise in positioning. The three interconnected components are easy to insert and fix, and the position and angle can be flexibly adjusted. The guiding element is designed to have a guiding function in accordance with the radius of the dental drill, and the dental implant can be placed from the side. Therefore, the patient's mouth does not need to be large, which can relieve the patient's mouth in the prior art. A lot of discomfort. The guiding component accurately simplifies the implantation position (implantation hole) of the implant, and also simplifies the original complicated dental implant guide plate making process, improves the work efficiency, and allows the position of the implant to be fixed and fixed. Orientation, improve the success rate of implant surgery, and also greatly save the time for the dentist to perform surgery.

The concave engaging element and the protruding positioning element and the positioning rod are assembled in a positional manner, and the concave engaging element is also positionably connected with the guiding element, and is convenient to be disassembled, and can be randomly placed in the patient's mouth. Remove the components. The guiding element adopting the curvature radius of the different curved guiding surface, and the concave engaging element can be selectively positionably assembled, and the dental implant guiding plate can be removed from the patient mouth without repeated It is very convenient to replace the guiding element, which is fixed compared to the prior art dental chair side dental guide plate. It is necessary to repeatedly remove the dental implant guiding plate from the patient's mouth and remove the semi-circular piece inside the snap ring. By changing the radius of the snap ring, this creation can save the operation time and is more convenient for the dentist to operate.

100‧‧‧ Dental implant positioning guide assembly

1‧‧‧Locating rod

11‧‧‧ upper half

12‧‧‧ Lower half

2‧‧‧Bumping positioning elements

21‧‧‧Perforation

22‧‧‧ engaging groove

23‧‧‧Clamping link arm

3‧‧‧Inner recessed components

31‧‧‧Clamping bumps

4, 4a‧‧‧ linkage components

5, 5a, 5b, 5c‧‧‧ guiding elements

51‧‧‧ Curved guide surface

52‧‧‧Assembling the groove

53‧‧‧Assembled link arm

6‧‧‧ oral model

6a‧‧‧ oral

61, 61a‧‧‧ alveolar bone

611‧‧‧Drilling

62, 62a‧‧‧ teeth

7‧‧‧Dental liquid glue

C1‧‧‧Counterclock direction

C2‧‧‧ clockwise direction

D1, D2‧‧‧ reference distance

G‧‧‧ gap

NA, NAa‧‧‧ missing areas

R‧‧‧ curvature diameter

X1, X2, X3, X4, X5, X6‧‧‧ reference axes

The first figure shows a perspective view of the dental implant positioning guide assembly provided by the preferred embodiment of the present invention; the second figure shows the positioning rod of the dental implant positioning guide assembly provided by the preferred embodiment of the present invention. A schematic view of the assembly of the raised positioning elements; the third drawing shows the AA cross-sectional view of the second drawing; and the fourth figure shows the convex positioning elements and guiding of the dental implant positioning guiding assembly provided by the preferred embodiment of the present invention. A top view of the components; and fifth through fifth F shows a state of use of the preferred embodiment of the present invention.

Please refer to the first to third figures, wherein the first picture is A perspective view of a dental implant positioning guide assembly provided by the preferred embodiment of the present invention is shown; the second figure shows the positioning rod and the convex positioning member of the dental implant positioning guide assembly provided by the preferred embodiment of the present invention. A schematic view of the assembly; and, in the third diagram, a cross-sectional view of the AA of the second figure. As shown, a dental implant positioning guide assembly 100 includes a positioning rod 1, a raised positioning element 2, a concave engaging element 3, a connecting element 4 and four guiding elements 5, 5a, 5b and 5c, in this embodiment, the positioning rod 1, the convex positioning element 2, the concave engaging element 3, the guiding elements 5, 5a, 5b and 5c are all made by 3D printing, but not This is limited to, and can also be made by ceramic casting.

The positioning bar 1 has an upper half 11 and a lower half 12, the upper half 11 is a trapezoidal cylinder, the lower half 12 is a cylinder, and the upper half 11 is thicker overall than the lower half 12. More precisely, the upper half 11 is a trapezoidal cylinder which is thick and thick, and the upper half 11 has a circular cross section, the longitudinal section is a trapezoid, and the cross section is circular from top to bottom. It grows bigger in order.

The raised positioning element 2 defines a perforation 21 which conforms to the upper half 11 of the positioning rod 1 such that the raised positioning element 2 is detachably sleeved on the positioning rod 1. In addition, the protruding positioning member 2 is further provided with a plurality of engaging recesses 22 (only one of which is shown) for mutually coupling with the female engaging elements 3. In this embodiment, the number of the engaging recesses 22 is two, which are respectively opened on both sides of the protruding positioning component 2. Because the upper half 11 of the positioning rod 1 is in the shape of a trapezoidal cylinder, the convex positioning element 2 is sleeved on the positioning rod 1 for a surgical performer (dentist) to take a reference axis X1 as an axis, along an inverse Clock direction C1 or a clockwise C2 Turning, wherein the reference axis X1 extends over the line connecting the center of each cross section of the upper half 11, so that the center position of the upper half 11 and the center position of the through hole 21 can be simultaneously passed.

The inner engaging member 3 has two engaging projections 31 (only one of which is shown), and is assembled to the engaging recess 22 of the protruding positioning member 2 by the engaging projection 31. Since the engaging protrusion 31 and the engaging recess 22 are tightly assembled and fitted with the concave and convex portions, the concave engaging element 3 can be positioned and assembled to the protruding positioning element 2, and the positional relationship between the two does not cause relative movement. Ensure the accuracy of positioning. The other side of the concave engaging element 3 with respect to the convex positioning element 2 is used to fix the connecting element 4. When the connecting element 4 and the protruding positioning element 2 are in a fixed state, the connecting element 4 and the protruding positioning element 2 The positional relationship between the two will not cause relative movement, which ensures the accuracy of positioning.

In this embodiment, the connecting member 4 is a photosensitive resin, but is not limited thereto. The photosensitive resin is composed of a photosensitive prepolymer, a reactive diluent and a photosensitizer. In general, the photosensitive resin has plasticity, and when irradiated by ultraviolet light of a specific wavelength (250 nm to 380 nm), polymerization reaction becomes solid to complete curing. In other embodiments, the connecting member 4 may not be made of a photosensitive resin, and the concave engaging element 3 may be fixed by hot melt, or the inner engaging element 3 may be engaged by assembly. More preferably, the connecting member 4 and the concave engaging member 3 are integrally molded with each other by means of 3D printing.

The difference between the guiding elements 5, 5a, 5b and 5c is the difference in the radius of curvature. The following is exemplified by the guiding element 5: the guiding element 5 is provided with a notch G (indicated in the fourth figure) and formed at the notch G. One The curved guiding surface 51 is provided with an assembly groove 52 (only one of which is shown) on both sides, the curved guiding surface 51 has a curvature diameter R, and the curvature radius is 2.2 mm, which is the curvature. Half of the diameter R, the radius of curvature is consistent with the radius of curvature of the drill bit of at least one implant, so that the surgeon can push the implant drill against the curved guide surface 51 and guide it by the curved guide surface 51. The boring is provided with an implant hole, and the purpose of assembling the groove 52 is that the guiding member 5 can replace the convex positioning member 2 and can be positioned and assembled to the concave engaging member 3 during the actual operation of the operation.

Similarly, the remaining guiding elements 5a, 5b and 5c each have a curvature diameter and a curved guiding surface, and an assembly groove is formed on each side, and the radius of curvature of the guiding element 5a needs to be additionally described. It is 2.8 mm, the radius of curvature of the guiding member 5b is 3.5 mm, and the radius of curvature of the guiding member 5c is 4.2 mm. However, it is not limited to this. The surgeon or manufacturer can make changes based on the patient's statistics to see if there is a need to open other more suitable specifications.

Please refer to the fourth figure, which is a top view showing the convex positioning element and the guiding element of the dental implant positioning guide assembly provided by the preferred embodiment of the present invention. As shown, the protruding positioning member 2 has a through hole 21, two engaging grooves 22 and a reference distance D1, and the guiding member 5 has a notch G, a curved guiding surface 51, a second assembling groove 52 and a reference distance. D2.

The reference axis X1 passes through the center position of the through hole 21, and defines a reference axis X2 and a reference axis X3 respectively passing through the center of the two engaging grooves 22, and the reference axes X1, X2 and X3 are parallel to each other, and the reference distance D1 is The distance from the center line of the reference axis X1 to the second engaging groove 22 is determined. Similarly, the reference axis X4 passes through the center of curvature of the curved guiding surface 51, and A reference axis X5 and a reference axis X6 are respectively defined by the center of the second assembly groove 52, the reference axes X4, X5 and X6 are parallel to each other, and the reference distance D2 is the center line of the reference axis X4 to the second assembly groove 22. the distance. Wherein, the reference distance D1 is equal to the reference distance D2. The guiding elements 5a, 5b and 5c also have reference distances equal to the reference distances D1 and D2, respectively.

Furthermore, the raised positioning element 2 has a snap-fit coupling arm 23, and the guide element 5 has an assembly link arm 53. The engagement link arm 23 refers to a portion in which the reference axis X2 is connected to X3 or more, and the assembly link arm 53 refers to a portion in which the reference axis X5 and X6 are connected or more. The advantage of the snap-fit link 23 is that when the surgeon is to attach or detach the raised positioning element 2 to or from the female snap-fit element 3, the surgical practitioner's hand holds the raised positioning element 2 The position of the joint between the position of the convex positioning element 2 and the concave engaging element 3 (ie, the engagement groove 22 and the engaging protrusion 31) forms a force arm, and the point of application is the operation of the surgeon. The position of the raised positioning element 2 is held by the hand, the fulcrum being the junction of the raised positioning element 2 and the concave engaging element 3. Producing a moment by the force applied by the surgeon will make it easier for the surgeon to connect the raised positioning element 2 to the concave engaging element 3 or the inner portion than without the engaging connecting arm 23. The recessed snap element 3 is removed. Similarly, assembling the attachment arm 53 also makes it easier for the surgeon to assemble the guide element 5 to the inner engagement element 3 or to detach the guide element 5 from the inner engagement element 3.

Please refer to the first figure, the fifth figure to the fifth F picture together, and the fifth to fifth F pictures show the use state diagram of the preferred embodiment of the present invention. As shown in the figure, a patient's oral panorama and apex are pre-photographed. Periapical Film, and one of the patient's oral models 6 is formed. The oral cavity model 6 includes a alveolar bone 61 and a plurality of teeth 62 (only one of which is indicated in the figure), and has a missing area NA, a surgical operation A hole 611 is drilled in advance in the missing tooth area NA. In the present embodiment, the missing tooth region NA lacks one tooth 62, so only one drill hole 611 needs to be drilled. If the missing tooth region NA system lacks a plurality of teeth 62, it is necessary to drill a corresponding plurality of drill holes 611. The bore 611 is defined and marked on the oral model 6 based on a rule of at least 2 mm from the buccal side, 1 to 3 mm from the tip of the neck (CEJ) and at least 1.5 to 2 mm from the adjacent tooth. A suitable implant design position is at least 2 mm in the buccal bone and at least 1.5 to 2 mm from the adjacent tooth (3 mm from the adjacent implant). Further, the aperture size of the bore 611 is referred to the aperture size of the lower half 11 of the positioning rod 1, and in the present embodiment, the surgeon performs the drilling of the bore 611 using a circular drill No. 8.

Next, the surgeon performs the lower half 11 of the positioning rod 1 into the bore 611, and inspects the position and angle of the positioning rod 1 according to the patient's oral panorama and the apex. A cutting tool is used to open a low concave space around the positioning rod 1 to prevent a dental liquid glue 7 from overflowing, and the positioning rod 1 is taken out, and a small amount of dental liquid glue 7 is injected into the drilling hole 611, and then the positioning rod is placed. 1 Insert the drill hole 611 and fix the positioning rod 1 by the dental liquid glue 7.

After the positioning rod 1 is fixed, the surgical performer sets the protruding positioning component 2 on the positioning rod 1 , and the protruding positioning component 2 is rotatably sleeved on the positioning rod 1 (as shown in the second figure). Therefore, the surgeon can rotate to the most suitable angle according to the position of the missing tooth area NA, thereby improving the convenience of the surgeon, for example, if the missing tooth area NA is at the incisor, ie, the raised positioning element 2 is facing the surgeon. If the missing area NA is at the posterior teeth, the angle can be rotated to an angle suitable for the surgeon to drill the implant.

Then, the surgical performer can positionally fix the engaging projection 31 of the concave engaging element 3 to the engaging recess 22 of the protruding positioning component 2, and fix the connecting component 4 to the concave engaging component. 3 with respect to the other side of the raised positioning element 2. Since the inner concave engaging element 3 is positionally assembled to the convex positioning element 2, no relative movement between the inner concave engaging element 3 and the convex positioning element 2 after assembly is performed, and the connecting element 4 is Since it is fixed to the concave engagement element 3, there is no relative movement between the connection element 4 and the concave engagement element 3. The connecting element 4 has an oral contact surface that conforms to the oral contour of one of the patients, and the oral contour represents at least one of the tooth 62 (tooth contour), the alveolar bone 61, the hard palate contour, and the gum contour. Or a combination thereof, when placed in one of the mouths 6a of the patient, can be fixed to at least one of the actual teeth 62a, the alveolar bones 61a, the hard palate and the gums of the patient, and the above various characteristics can be enhanced The accuracy of the dental hole. In addition, the oral contact surface is on the side that is in contact with the patient's oral contour, so the figure cannot be labeled.

In the present embodiment, the connecting member 4 is fixed to the concave engaging member 3, and covers a plurality of teeth 62 and a part of the alveolar bone 61, and then is irradiated with light of a specific wavelength to achieve a curing effect and solidify into a joint. Element 4a.

Finally, the surgical performer removes the coupling element 4a, the concave engagement element 3, the convex positioning element 2 and the positioning rod 1 from the oral cavity model 6, and according to the patient's requirements, the self-guided elements 5, 5a, 5b and 5c Pick one It can be assembled to the concave engaging element 3 in a positional manner, and then placed in the oral cavity 6a of the patient to perform drilling of the dental implant hole, and also because the reference distance of the guiding element and the reference distance D1 of the convex positioning element 2 (marked The fourth figure is equal, therefore, the position of the oral cavity 6a drilled by the curved guiding surface of the guiding element to the surgical performer corresponds to the position of the positioning hole 1 inserted into the drilling hole 611 of the oral cavity model 6 Improve the accuracy of drilling the implant hole. In this embodiment, the surgical performer selects the guiding element 5b, the guiding element 5b is used to drill the dental implant hole of the small molar, and the guiding element 5 is suitable for the lower row of the front and the side incisors, the guiding element 5a The upper incisors, canines and median incisors are applied, while the guiding element 5c is suitable for large molars.

Preferably, the surgeon can use a step-by-step drilling method to drill the implant hole from small to large. If the guide member 5b is used to drill the implant hole, the dentist will first drill using the guiding member 5. An implant hole, and then the guiding element 5a is used to drill the implant hole, just like the concept of reaming, and finally the guiding element 5b is used to drill the implant hole which finally meets the patient's needs. Similarly, if it is necessary to use the guiding element 5a, the guiding element 5 needs to be used first, and then the guiding element 5a is used; if the guiding element 5c is to be used, the guiding element 5 and the guiding element 5a need to be used sequentially. With the guiding element 5b, finally, the guiding element 5c is used. The use of step-by-step drilling can avoid direct drilling of holes with larger radii, which will cause errors due to large vibrations, and can improve the accuracy of the implant holes.

It should be particularly noted that the oral cavity model 6 is made according to the oral cavity 6a, so that the alveolar bone 61 of the oral cavity model 6 corresponds to a toothed bone 61a of the actual oral cavity 6a, and the plurality of dental teeth of the oral cavity model 6 corresponds to the actual oral cavity. a plurality of teeth 62a of 6a, and the missing area of the oral model 6 NA It corresponds to the missing tooth area NAa of the actual oral cavity 6a. Therefore, the connecting member 4a having the oral contact surface conforming to the oral contour of the oral cavity model 6 can be accurately engaged with the tooth 62a and the alveolar bone 61a in the oral cavity 6a after being placed in the oral cavity 6a of the patient, without Relative movements result in inaccurate positioning.

In the preferred embodiment, a single missing tooth is taken as an example, but the invention is not limited thereto. The dental implant positioning guide assembly 1 provided by the present invention can also be used for multiple dental implant surgery.

In summary, the positioning of the dental implant positioning guide assembly provided by the present invention is more convenient and more precise, and the three mutually positionally assembled components are easy to insert and remove, and the position and angle can be flexibly adjusted. . The design of the guiding element not only conforms to the radius of the dental drill, but also allows the dental drill to be placed into the drilled value hole from the side, so that the patient does not need to open the mouth, which can relieve the patient's discomfort. . The guiding component accurately simplifies the implantation position (implantation hole) of the implant, and also simplifies the original complicated dental implant guide plate making process, improves the work efficiency, and allows the implant to be fixed and fixed. Orientation, improve the success rate of implant surgery, and also greatly save the time for the dentist to perform surgery.

Compared with the digital dental implant guide plate, the digital dental implant guide plate technology uses the computer to observe and measure the humerus and consider the post-repair and other factors to determine the implant hole. The location of the 3D guide plate model file for 3D printing of full-mouth scanning, resulting in the need to print full guide plates for single missing teeth and multiple missing teeth, the inability to mass-produce general specifications, high cost and waiting time Too long and other issues.

Compared with the prior art, the structure of the guiding plate snap ring of the guiding plate is the whole circle, and during the operation of the dentist, the scale of the dental drill is blocked by the guiding plate ring, so the dentist cannot accurately Controlling the depth of the dental implant drilling; in the dental implant positioning guide assembly provided by the present invention, the guiding component is provided with a notch, and the guiding component structure is semicircular or slightly longer at both ends. The structure of the type not only achieves the guiding function, but also allows the surgeon (ie, the dentist) to clearly see the scale of the dental drill to achieve a precise and deep effect. Another effect is that the patient does not need to open the mouth to drill, which can greatly ease the discomfort of the patient in the prior art.

Compared with the prior art, the guide plate also has a complicated process, and the dentist replaces a guide plate with a diameter matching the diameter of the implant drill for each tooth drill of a different diameter. That is to say, each patient needs to make at least four guiding plates, and needs to be placed, removed, and replaced multiple times during the dental implant surgery. In the dental implant positioning guide assembly provided by the present invention, a plurality of guiding elements having different radii of curvature are positionally assembled to the concave engaging elements, and assembly or disassembly is quite convenient, and each patient only has It is necessary to make a guiding plate (the connecting element is fixed to the concave engaging element), and during the dental implant operation, the surgical performer (dentist) only needs to replace the guiding component, and it is not necessary to put it in multiple times. The removal and replacement also makes the cost lower, the efficiency is higher, and the surgical procedure is simpler.

The features and spirit of the present invention are more clearly described in the above detailed description of the preferred embodiments, and are not intended to limit the scope of the present invention. phase On the contrary, the purpose is to cover the various changes and equivalence arrangements within the scope of the patent application to which the Creative Application is intended.

Claims (12)

A dental implant positioning guide assembly is provided for a surgeon to drill at least one implant hole in one of the orbital cavities of one of the patients, comprising: a positioning rod for inserting into a a hole drilled in advance in one of the patient's oral models; a raised positioning member is provided with a pair of perforations that should be positioned on the rod for nesting on the positioning rod; a concave engaging element can be Positionably assembled to the protruding positioning member; a connecting member fixed to one side of the concave engaging member and having an oral contact surface matching the oral contour of the patient for engaging the same An oral contour; and a plurality of guiding elements, any of the guiding elements being positionally assembled to the concave engaging elements, and each of the guiding elements is provided with a notch at the notch Forming a curved guiding surface for the surgeon to guide the at least one implant hole guided by the curved guiding surface; wherein the concave engaging element is positionally assembled to the After the positioning component is raised, the surgical performer fixes the connecting component Recessing the engaging member, and replacing the protruding positioning member with the positioning rod into one of the guiding members, and finally the connecting member, the concave engaging member and the guiding member The person is placed in the oral cavity of the patient, and the oral contour is engaged by the connecting element to guide the at least one implant hole. The dental implant positioning guide assembly of claim 1, wherein the positioning rod has an upper half and a lower half, the upper half being a trapezoidal cylinder and the lower half being a cylinder The upper half is thicker than the lower half, and the upper half is a thick and thin trapezoidal cylinder having a circular cross section and a trapezoidal longitudinal section. The dental implant positioning guide assembly of claim 1, wherein the convex positioning elements have an engaging groove on each side. The dental implant positioning guide assembly of claim 3, wherein the concave engaging element has two engaging projections with respect to one end of the connecting element, and the two engaging projections are used for The engaging grooves on both sides of the protruding positioning member are respectively fixed. The dental implant positioning guide assembly of claim 4, wherein each of the guiding elements has an assembly groove on both sides thereof, and the assembly grooves are used for positionality The two engaging projections are assembled to the concave engaging elements. The dental implant positioning guide assembly of claim 1, wherein the guiding elements are four of the guiding elements, and the curved guiding surfaces of the four guiding elements are The radii of curvature are 2.2 mm, 2.8 mm, 3.5 mm and 4.2 mm, respectively. The dental implant positioning guide assembly of claim 1, wherein the connecting element is composed of a photocurable material and is fixed to the concave engaging element by photocuring. The dental implant positioning guide assembly according to claim 1, wherein the coupling element and the concave engagement element are integrally molded with each other by a 3D printing method. The dental implant positioning guide assembly of claim 1, wherein the connecting element is fixed to the female engaging element by means of hot melt. The dental implant positioning guide assembly of claim 1, wherein the connecting element is engaged with the concave engaging element. The dental implant positioning guide assembly of claim 1, wherein the positioning rod, the protruding positioning element, the concave engaging element, the connecting element and the guiding element utilize a 3D column Printed production. The dental implant positioning guide assembly of claim 1, wherein the positioning rod, the protruding positioning element, the concave engaging element, the connecting element, and the guiding element use a ceramic mold Casting production.