CN113476163B

CN113476163B - Tooth implant

Info

Publication number: CN113476163B
Application number: CN202110943465.0A
Authority: CN
Inventors: 乔栒柏
Original assignee: Zhuhai Jordan Technology Co ltd
Current assignee: Zhuhai Jordan Technology Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-04-19
Anticipated expiration: 2041-08-17
Also published as: CN113476163A

Abstract

The invention relates to the technical field of dental implantation, in particular to a dental implant and an implantation method thereof, wherein the dental implant is provided with at least two implantation parts on a main body and can repair two adjacent tooth-lacking areas at one time, the other end of main part sets up and buries the portion, set up on the alveolar bone and bury portion and/or main part matched with plant the groove can, compare in the current mode that drills respectively on two adjacent alveolar bones that lack the tooth district, the aperture that the width of planting the groove can be less than drilling also can satisfy the requirement that the planting body combines closely with the alveolar bone, alveolar bone fracture or collapse the scheduling problem because of bone density is not enough when effectively avoiding drilling appears, still be provided with in the portion of burying and dodge the portion, effectively avoid burying the portion of burying and extrude alveolar nerve vascular bundle, and dodge the portion and can also play accurate positioning effect, conveniently implant this tooth planting body.

Description

Tooth implant

Technical Field

The invention relates to the technical field of tooth implantation, in particular to a tooth implant and an implantation method thereof.

Background

Modern dental implant technology, which is a novel concept and method of transferring the load of dental implants to surrounding biological tissues, has been developed into an independent research category in mature oral medicine with multidisciplinary frontier technical support, and has established a more scientific, more reasonable and more complete advantage over conventional artificial dentures, so that the implanted teeth have been rapidly developed in recent years. At present, the chewing function of the implanted tooth is superior to that of the traditional artificial tooth, and the implanted tooth has the advantages of good implantation stability, beautiful appearance, comfort, one-time implantation and the like, and becomes the first choice for patients with tooth loss or tooth plastic.

Many oral implant assemblies are generally three-segment, including an implant implanted in an alveolar bone, an implant abutment, and a crown. The existing implant is usually implanted into an alveolar bone by adopting a screw-shaped structure to act as a tooth root, and then is connected with a tooth crown through an implant abutment.

When a patient has two or more adjacent edentulous areas, two or more implants need to be implanted in sequence, and when the width and the height of the alveolar bone or the bone density of some patients are insufficient, holes are difficult to be drilled at two positions close to each other on the alveolar bone.

Disclosure of Invention

The technical scheme adopted by the invention for solving the technical problems is as follows: a dental implant, comprising: a main body; at least two planting parts arranged at the upper end of the main body; the embedding part is arranged at the lower end of the main body, and the lower end of the embedding part is provided with an avoiding part which can be used for avoiding alveolar neurovascular bundles.

Further, the embedded part is in a sheet shape.

Furthermore, at least one healing hole is arranged on the embedded part of the sheet shape.

Further, the avoiding part is in a step shape.

Further, the thickness dimension of the embedded part is gradually reduced from one end close to the main body to the lower part.

Furthermore, the avoiding part is a structure in which the embedded part is obliquely extended from bottom to top.

Further, there are two or more than two embedding parts, two adjacent embedding parts are arranged at intervals, and the distance between two adjacent embedding parts is 1.0cm to 1.5 cm.

Further, the embedded part is cylindrical or conical.

Further, the main body, the planting part and the embedding part are integrally formed.

Furthermore, the surface of the embedded part and/or the main body is provided with a coarsening texture.

Further, the distance between two adjacent planting parts is 1.0cm to 1.5 cm.

Furthermore, the planting part is columnar, and the outer surface of the columnar planting part has Morse taper.

Further, the avoiding part is an arc-shaped notch arranged on the embedding part.

Further, at least two of the embedded parts have different height dimensions.

Furthermore, the main body is arc-shaped block-shaped, and the planting part and the embedding part are arranged on two opposite end surfaces of the main body.

The invention also provides an implanting method of the dental implant, which comprises the following steps:

s100: obtaining alveolar bones and alveolar neurovascular bundle models below the alveolar bones in an intraoral scanning mode;

s200, determining a structural model of the dental implant according to the model obtained in S100;

s300, manufacturing a tooth implant in a 3D printing mode;

s400, carrying out surface treatment on the tooth implant to obtain coarsened textures;

s500, drilling a hole in the oral cavity of a patient, and forming an implanting groove matched with the embedded part on the alveolar bone;

s600, implanting the dental implant into the oral cavity.

The invention has the following beneficial effects: the tooth implant is provided with at least two implant parts on the main body, two adjacent tooth lacking regions can be repaired at one time, the other end of the main body is provided with the embedded part, and the alveolar bone is provided with the implant groove matched with the embedded part and/or the main body.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic three-dimensional structure of a dental implant according to an embodiment of the present invention;

fig. 2 is a schematic sectional view of a dental implant according to an embodiment of the present invention;

FIG. 3 is a first schematic view of a dental implant according to an embodiment of the present invention;

FIG. 4 is a second schematic structural view of a dental implant according to an embodiment of the present invention;

FIG. 5 is a third schematic structural view of a dental implant according to an embodiment of the present invention;

fig. 6 is a fourth structural view of a dental implant according to an embodiment of the present invention;

fig. 7 is a fifth constitutional view of a dental implant according to an embodiment of the present invention;

fig. 8 is a sixth schematic structural view of a dental implant according to an embodiment of the present invention;

fig. 9 is a schematic flow diagram of the planting method of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 8, a dental implant includes a main body 100, an implant 200 and an implant 300, wherein the main body 100 is arc-shaped, and the implant 200 and the implant 300 are respectively disposed on two opposite end surfaces of the main body 100, at least two implants are spaced apart from each other, a distance between two adjacent implants 200 is 1.0cm to 1.5cm, at least two implants can be respectively connected to a crown through an implant abutment, thereby realizing a one-time implantation of two edentulous regions, i.e., one dental implant is implanted in two adjacent edentulous regions, two implants 200 on the dental implant can be respectively connected to the crown through the implant abutment, without drilling two implant holes on an alveolar bone, thereby effectively avoiding a problem of difficulty in drilling due to insufficient bone density, and the implant 300 of the present embodiment extends along a length direction of the main body 100, the alveolar bone is provided with the implant groove matched with the embedded part 300, so that two tooth lacking areas can be spanned, the implant area of the embedded part 300 and the alveolar bone is ensured, at the moment, compared with a conventional columnar implant, the thickness of the embedded part 300 can be smaller than the outer diameter of the conventional implant, and the embedded depth can also be smaller than that of the conventional implant, so that the alveolar bone implant is suitable for patients with insufficient width and height of the alveolar bone; the embedded part 300 is provided with an avoiding part 400 which can avoid the alveolar neurovascular bundle, so as to avoid the implant pressure from pressing the alveolar neurovascular bundle.

In some embodiments, referring to fig. 1 to 8, the embedded part 300 has a sheet shape, specifically, the thickness of the embedded part 300 is 1mm to 2mm, and the length of the embedded part 300 may be equal to or slightly less than the length of the main body 100, and further, the embedded part 300 protrudes outward along the central axis of the main body 100.

In some embodiments, referring to fig. 2, the thickness of the implant 300 is gradually decreased from the end near the main body 100, and in particular, the cross section of the implant 300 is a wedge shape with a larger top and a smaller bottom, and the implant on the alveolar bone is also an inverted wedge shape in cross section, which is matched with the implant, and the implant is implanted by a wedge structure to ensure that the dental implant is stably installed on the alveolar bone.

In some embodiments, referring to fig. 1 to 8, at least one healing hole 500 is formed in the sheet-shaped embedding portion 300, and bone tissue can rapidly grow into the healing hole 500, so that the implant and the alveolar bone are stably connected, the healing hole 500 may be a circular hole, a square hole or a polygonal hole, and the arrangement of the healing holes 500 on the embedding portion 300 may be in rows, columns or a random arrangement.

In some embodiments, referring to fig. 3, the avoiding portion 400 is stepped, and according to the distribution of the alveolar neurovascular bundle, a plurality of notches are formed at the lower end of the embedded portion 300 to avoid compression of the alveolar neurovascular bundle, and a plurality of notches are distributed in a stepped manner to form the avoiding portion 400.

In some embodiments, referring to fig. 4, the avoiding portion 400 is a structure in which the embedded portion 300 extends obliquely from bottom to top, and a projection of the embedded portion 300 on a horizontal plane may be a trapezoid or a rectangle with unfilled corners.

In some embodiments, referring to fig. 7, the avoiding portion 400 may also be an arc-shaped notch provided on the embedding portion 300, in which case the alveolar neurovascular bundle passes through the lower end of the embedding portion 300, and in other embodiments, there may also be several arc-shaped notches, in which case the lower end of the embedding portion 300 is in a rake shape, in this embodiment, the embedding portion 300 is embedded in the alveolar bone and fixed by pressing between two side walls thereof and the wall of the open slot in the alveolar bone, and the lower end of the rake shape of the embedding portion 300 is completely embedded in the alveolar bone, so as to avoid that there is a gap between the implant and the alveolar bone to affect the combination of the bone and the implant.

In some embodiments, referring to fig. 7, there are two or more embedded parts 300, and two adjacent embedded parts 300 are spaced apart from each other, and the distance between two adjacent embedded parts 300 is 1.0cm to 1.5cm, in which case the relief part 400 is a gap between two adjacent embedded parts 300.

In some embodiments, referring to fig. 2, the implant 300 has a cylindrical or conical shape, and at least two of the implants 300 are spaced apart from each other at a lower end of the main body 100, and the main body 100 is implanted in the alveolar bone through the two implants 300, thereby further enhancing the osseointegration rate and stability of the implant with the alveolar bone.

In some embodiments, referring to fig. 7, the height of at least two embedded parts 300 is different, so that the embedded depth of the embedded parts 300 can be made according to the actual condition of the patient, and the embedded parts 300 are prevented from extruding to the alveolar neurovascular bundle.

In some embodiments, referring to fig. 1 to 8, the main body 100 is in a block shape, and the implant 200 and the embedded part 300 are integrally formed on the main body 100, the dental implant can be formed by 3D printing, and specifically, the specific shape of the dental implant can be determined according to the alveolar bone structure and density of a patient, the distribution of alveolar neurovascular bundles, for example, the embedded part 300 is in a sheet shape or a cylindrical shape, the thickness and height of the sheet-shaped embedded part 300, the position of the avoiding part 400 on the embedded part 300, and the like, thereby realizing customized services and manufacturing the implant according to the actual requirements of the patient.

In some embodiments, the surface of the implant 300 and/or the body 100 is formed with a roughened texture, and both the implant 300 and the body 100 are implanted in alveolar bone during the implantation operation, and the use of the surface with the roughened texture can improve the bone integration rate of the implant 300/the body 100, of course, the body 100 can also be partially embedded in alveolar bone, and at this time, the portion of the body 100 embedded in alveolar bone can be provided with healing holes 500, so as to further improve the bone integration rate of the body 100; further, the cross-section of the body 100 may also be configured as a wedge shape, and the wedge-shaped body is inserted into the implant groove of the alveolar bone.

In some embodiments, referring to fig. 1 to 8, the planting part 200 is cylindrical, and the outer surface of the cylindrical planting part 200 has morse taper, the planting base can be directly sleeved on the planting part 200, and the planting base has an inner hole matching with the planting part 200.

It should be noted that the dental implant of the present invention may be a dental implant in which the implant 300 is implanted into an alveolar bone, the main body 100 is located on the alveolar bone, the implant 200 is exposed in the oral cavity and implanted firmly enough, and the implant 200 is connected to a crown through an implant abutment; it also can be that the mounting groove that is used for putting into main part 100 is seted up above the alveolar bone, and main part 100 and embedding portion 300 all put into the alveolar bone this moment, and only planting portion 200 exposes in the oral cavity, and further, after main part 100 was put into the alveolar bone, the upper surface of main part 100 was kept level with the upper surface of its surrounding alveolar bone, more did benefit to like this and promoted the osseointegration rate.

In some embodiments, when both the implant 300 and the body 100 are inserted into the alveolar bone, the side surface of the body 100 may have a slope with a certain taper, ensuring the connection stability between the body 100 and the installation groove, and also eliminating a gap between the body 100 and the installation groove after the implantation.

The present invention also provides a method for implanting a dental implant, as shown in fig. 9, the method comprising the steps of:

s100, obtaining an alveolar bone and an alveolar neurovascular bundle model below the alveolar bone in an intraoral scanning mode, wherein the intraoral scanning mode can usually adopt X-rays, so that the conditions of the alveolar bone and the alveolar neurovascular bundle in a tooth lacking area can be clearly known, for example, the alveolar neurovascular bundle is positioned right below one of the tooth lacking areas or positioned below two adjacent tooth lacking areas, and the atrophy condition of the alveolar bone can be determined;

s200, determining a structural model of the dental implant according to the model obtained in S100, such as the three-dimensional size and the radian size of the main body 100, the specific shape, thickness and embedding depth of the embedded part 300, the position of the avoiding part 400 and the like;

s300, manufacturing the dental implant by adopting a 3D printing mode to realize customized service, wherein the implant part 200, the main body 100 and the embedded part 300 can be integrally formed and arranged to ensure the structural strength of the implant;

s400, carrying out surface treatment on the dental implant to obtain coarsened texture, wherein the coarsened texture is formed on the surface of the dental implant by sand blasting, acid etching and alkali treatment, namely a nanoscale multi-layer stacked spongy or meshed interpenetrating structure is formed on the surface of the dental implant, so that the osseointegration rate of the dental implant is further improved;

s500, drilling a groove on an alveolar bone of a patient to form an implant groove matched with the embedded part 300, wherein the groove bottom of the implant groove can be different in depth to avoid an alveolar neurovascular bundle or avoid drilling through of the alveolar bone, and compared with the existing mode of drilling two holes on the alveolar bone at a certain distance, the method for drilling the implant groove on the alveolar bone has the advantages that the groove width can be smaller than the pore diameter and can also meet the requirement of tight combination of an implant and the alveolar bone, and the problems of alveolar bone fracture or breakage and the like caused by insufficient bone density during drilling are effectively avoided;

s600, implanting the tooth implant into an oral cavity, wherein peripheral alveolar neurovascular bundles need to be avoided during groove drilling, the depths of the bottoms of the implant grooves are different, and the groove depth at the position avoiding the alveolar neurovascular bundles is shallow and is matched with the avoiding part 400 on the tooth implant, and meanwhile, the tooth implant also has a positioning function, so that the tooth implant can be accurately positioned and implanted into an alveolar bone.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. A dental implant, comprising:

a main body (100);

at least two planting parts (200) provided at an upper end of the main body (100);

an embedded part (300) which is arranged at the lower end of the main body (100), and the lower end of the embedded part (300) is provided with an avoiding part (400) which can be used for avoiding the alveolar neurovascular bundle;

the thickness dimension of the embedded part (300) is gradually reduced from one end close to the main body (100) to the lower part;

the main body (100) is arc-shaped and blocky, and the planting part (200) and the embedding part (300) are respectively arranged on two opposite end surfaces of the main body (100).

2. A dental implant according to claim 1, wherein the sheet-like embedding portion (300) is provided with at least one healing hole (500).

3. A dental implant according to claim 1, wherein the main body (100), the implant portion (200) and the embedded portion (300) are integrally formed.

4. A dental implant according to claim 1, wherein the avoiding portion (400) is a structure in which the embedded portion (300) is inclined and extended from bottom to top.

5. A dental implant according to claim 1, wherein the surface of the embedded part (300) and/or the main body (100) is formed with a roughened texture.

6. A dental implant according to claim 1, wherein the implant (200) is cylindrical and the outer surface of the cylindrical implant (200) has a morse taper.