CN217488911U - Non-immediate load oral implant - Google Patents

Abstract

The application relates to the technical field of dental implantation, in particular to a non-immediate load oral implant, which comprises a head part, a transition part and a neck part which are adjacent in sequence, wherein the head part comprises a guide part and an installation part which are connected; one end of the guide part, which is far away from the mounting part, is provided with a tip; the mounting part is connected with the transition part; the guide portion comprises a first thread segment; the mounting portion includes a second threaded section; the neck includes screw thread portion and smooth neck that adjoins, the surface of smooth neck is the semicircle face. The non-immediate load oral implant of this application is because the neck has the smooth neck ring of half face, so can bury the thread face in the alveolar bone when bone volume is less than a small amount, exposes smooth neck outside the bone, with the soft tissue contact, so both can guarantee implant initial stage stability, avoid the plaque to pile up on the implant that exposes again, reduced the probability that peri-implantitis takes place.

Description

Non-immediate load oral implant

Technical Field

The application relates to the technical field of dental implantation, in particular to a non-immediate load oral implant.

Background

The dental implantation restoration is the preferred restoration method for patients with dental loss, the number of dental implantation is huge every year in China, in 2020, official statistics is more than 400 ten thousand, and the market value is nearly 45 hundred million. With the progressive deepening of the aging society, a large number of aged edentulous patients increasingly require dental implant restoration. However, the long tooth missing time of the elderly patients, physiological alveolar bone absorption after tooth missing, maxillary sinus gasification or insufficient alveolar bone mass caused by various diseases bring challenges to tooth implantation repair. In addition, the bone marrow tissue has the characteristics of weakened tissue regeneration capability, increased risk of systemic diseases, reduced expected bone proliferation effect, poor operation tolerance and the like. The planting of the old can be divided into immediate load planting and non-immediate load planting clinically. Since the condition of insufficient bone mass generally exists in the aged tooth loss patients, non-immediate load implantation is often needed. But the special non-immediate load implant for the aged is lacking clinically. Therefore, the research and development of the special non-immediate load oral implant for the old has important clinical significance and social value.

SUMMERY OF THE UTILITY MODEL

In view of the above drawbacks of the prior art, it is an object of the present application to provide a non-instantaneous loading oral implant to solve the problems of the prior art.

To achieve the above and other related objects, the present application provides a non-instantly loading oral implant comprising a head portion, a transition portion and a neck portion, which are adjacent in sequence, the head portion comprising a guide portion and a mounting portion that are connected; a tip is arranged at one end of the guide part, which is far away from the mounting part; the mounting part is connected with the transition part; the guide portion comprises a first thread segment; the mounting portion includes a second threaded section; the neck includes adjacent screw thread portion and smooth neck, the surface of smooth neck is the semicircle face.

In some embodiments of the invention, the guide is a cone; the diameter of the guide portion gradually increases from one end far away from the installation portion to one end close to the installation portion.

In some embodiments of the present invention, the installation part is a cylinder, and the diameter of the installation part is equal from the end far away from the transition part to the end near the transition part.

In some embodiments of the invention, the pitch between adjacent threads of the first thread segment is equal to the pitch between adjacent threads of the second thread segment.

In some embodiments of the invention, the thread depth of the first thread segments is equal.

In some embodiments of the invention, the thread depth of the second thread segments is equal.

In some embodiments of the invention, the thread depth of the first thread segments is less than the thread depth of the second thread segments.

In some embodiments of the invention, the thread thickness of the first thread segments and the second thread segments are equal.

In some embodiments of the present invention, the included angle between the working surface of each thread in the first thread section and the radial direction of the head is α, α is greater than or equal to 5 ° and less than or equal to 10 °.

In some embodiments of the present invention, the included angle between the working surface of each thread in the second thread segment and the radial direction of the head is β, β is greater than or equal to 5 ° and less than or equal to 10 °.

In some embodiments of the present invention, the head is provided with one or more flutes; the chip groove extends from the guide portion to the mounting portion.

In some embodiments of the invention, the transition portion comprises a horizontal thread segment.

In some embodiments of the invention, the included angle between the working face of each thread in the threaded portion and the radial direction of the neck is δ, δ ≦ 5 ° δ ≦ 10 °.

In some embodiments of the invention, the length to diameter ratio of the head is 6 to 12: 3.5-4.5.

In some embodiments of the present invention, the length-diameter ratio of the neck portion is 2-4: 3.5-4.5.

In some embodiments of the present invention, the neck portion is provided with a mounting groove at an end thereof remote from the transition portion.

In some embodiments of the present invention, the non-immediate-load oral implant is made of titanium quaternary.

Compared with the prior art, the beneficial effect of this application is:

the non-immediate load oral implant of this application is because the neck has the smooth neck ring of half face, so can bury the thread face in the alveolar bone when bone volume is less than a small amount, exposes smooth neck outside the bone, with the soft tissue contact, so both can guarantee implant initial stage stability, avoid the plaque to pile up on the implant that exposes again, reduced the probability that peri-implantitis takes place. More importantly, the bone powder is not needed to be implanted to cover the implant, so that the operation is simple, the operation wound is reduced, the operation cost is saved, and great social and economic benefits are achieved.

Drawings

Fig. 1 is a schematic perspective view of a non-instantaneous load oral implant according to the present application.

Fig. 2 is a front view of the non-instant oral implant according to the present application.

Fig. 3 is a schematic view of the back view of the non-instant oral implant load of the present application.

Fig. 4 is a left side view schematic view of the non-instantaneously loaded oral implant of the present application.

Fig. 5 is a schematic diagram of a right-side view of a non-instantaneously loaded oral implant according to the present application.

Fig. 6 is a schematic top view of a non-instantaneously loaded dental implant of the present application.

Fig. 7 is a schematic bottom view of the non-instantaneously loaded dental implant of the present application.

Element numbers in the figures of the present application:

1 head part

11 guide part

111 first thread segment

12 mounting part

121 second thread segment

2 transition part

21 horizontal thread segment

3 neck part

31 screw part

32 smooth neck

33 mounting groove

4 chip groove

Detailed Description

In the description of the present application, it should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present application are only used for matching the disclosure of the present application, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present application can be implemented, so that the present application has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope that the technical contents disclosed in the present application can be covered without affecting the efficacy and the achievable purpose of the present application. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations or positional relationships illustrated in the drawings, which are used for convenience in describing the present application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, in the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

The applicant has found through a large number of clinical findings that after dentition is missing or defective due to various reasons, alveolar ridges gradually shrink due to lack of physiological stimulation, which may cause insufficient bone mass. Since the implant threads need to engage the bone surface to achieve adequate primary stability, the portion in contact with the soft tissue needs to be smooth to prevent plaque build-up leading to peri-implantitis. However, the screw portion 31 of the horizontal bone implant in the market needs to be completely embedded in the alveolar bone, so that when the alveolar bone is absorbed, the screw portion of the implant near the neck portion 3 is exposed, thereby causing peri-implantitis. The alveolar bone height of a large number of patients with missing old teeth clinically is still acceptable, but the bone width is seriously insufficient, the immediate implantation is completed under the condition of no bone implantation, the implant is often implanted into the jaw side/tongue side, a gap is formed between the implant and the lip/buccal side, the bone powder can be implanted, but the exposed screw threads on the jaw side/tongue side of the implant are difficult to implant the bone. Based on this, this application designs a kind and is directed against the not immediate load oral cavity planting body of missing patient of old tooth specially.

As shown in fig. 1 to 7, the embodiment of the present application provides a non-immediate-loading oral implant, which includes a head portion 1, a transition portion 2 and a neck portion 3 that are adjacent to each other in sequence, wherein the head portion 1 includes a guide portion 11 and a mounting portion 12 that are connected; the mounting part 12 is connected with the transition part 2; the guide portion 11 comprises a first thread segment 111; the mounting portion 12 includes a second threaded section 121; neck 3 is including the screw thread portion 31 and the smooth neck 32 that adjoin, smooth neck 32 is the semicircle post, the surface of smooth neck 32 is the semicircle face. When the dental plaque-accumulating neck is used, the smooth neck 32 of the neck 3 faces the position with insufficient bone quantity of the alveolar ridge and is in contact with soft tissue, and the risk of plaque accumulation is reduced. The thread part 31 is contacted with the bone surface towards the position with sufficient bone quantity of the alveolar ridge, so that the initial stability is ensured, and meanwhile, the bone grafting of the jaw side/tongue side of the implant is not needed, thereby simplifying the operation, saving the cost of a patient, maintaining the long-term stability of the implant and reducing the implantation complications.

In the non-immediate load oral implant provided by the embodiment of the application, the non-immediate load oral implant is fine threads, the threads are dense, the formation of osseointegration is facilitated, the self-tapping property is weak, the initial stability is poor, and the non-immediate load oral implant is made of four-grade titanium. The head 1 is of solid construction.

In the non-immediate-loading oral implant provided by the embodiment of the application, as shown in fig. 1 to 5, the guide part 11 is a cone; the diameter of the guide part 11 gradually increases from one end far away from the mounting part 12 to one end close to the mounting part 12; the end of the guide part 11 far away from the mounting part 12 is provided with a tip. The guiding part 11 is a cone, which is beneficial to the implant to enter the planting cavity and has certain self-tapping property. The tip of the head 1 is provided with cutting capabilities.

In the non-immediate-load oral implant provided by the embodiment of the present application, as shown in fig. 1 to 5, the installation portion 12 is a cylinder, and the diameter of the installation portion 12 is equal from one end far away from the transition portion 2 to one end close to the transition portion 2. The advantage of the mounting portion 12 being a cylindrical body is that it facilitates obtaining a favourable implantation position for the implant.

In the non-instantaneously loaded dental implant provided by the embodiments of the present application, as shown in fig. 1-5, the pitch between adjacent threads of the first thread segment 111 is equal to the pitch between adjacent threads of the second thread segment 121. The advantage of this design is that maximum surface area is obtained. Wherein the thread pitch refers to the spacing between adjacent 2 threads in the axial direction of the head 1. In some embodiments, the pitch between adjacent threads of the first thread segments 111 may be, for example, 1-1.2mm, 1-1.1mm, or 1.1-1.2mm, etc. The pitch between adjacent threads of the second thread segments 121 may be, for example, 1-1.2mm, 1-1.1mm, or 1.1-1.2mm, etc.

In the non-instantaneously loaded oral implant provided by embodiments of the present application, the thread depth of the first thread segments 111 is equal as shown in fig. 1-5. The design has the advantages that the implant body can not generate a large amount of heat in the implantation process, and the alveolar bone necrosis is avoided. Wherein the thread depth refers to the thread height of each thread in the respective section. In some embodiments, the thread depth of the first thread segments 111 may be, for example, 0.5-1.2mm, 0.5-0.7mm, 0.7-1.0mm, or 1.0-1.2mm, etc.

In the non-instantaneously loaded dental implant provided by the embodiments of the present application, as shown in fig. 1-5, the thread depths of the second thread segments 121 are equal. The design has the advantages that the implant body can not generate a large amount of heat in the implantation process, and the alveolar bone necrosis is avoided. Wherein the thread depth refers to the thread height of each thread in the respective section.

In the non-instantaneously loaded dental implant provided by the embodiments of the present application, as shown in fig. 1-5, the thread depth of the first thread segments 111 is less than the thread depth of the second thread segments 121. The design has the advantages of avoiding the excessive pressure on the bone wall in the process of implanting the implant and being beneficial to osseointegration.

In the non-instantaneously loaded dental implant provided by the embodiments of the present application, as shown in fig. 1-5, the thread thicknesses of the first thread segment 111 and the second thread segment 121 are equal. The design has the advantages that the implant body can not generate a large amount of heat in the implantation process, and the alveolar bone necrosis is avoided. The thread thickness refers to the thickness of each thread outer side of each of the first thread segments 111 and the second thread segments 121 in the axial direction of the head 1. In some embodiments, the thread thickness of the first thread segments 111 and the second thread segments 121 is 0.5 to 2 mm.

In the non-instantaneously loaded dental implant provided by the embodiments of the present application, as shown in fig. 2, the angle between the working surface of each thread in the first thread segment 111 and the radial direction of the head 1 is α, and α is 5 ° or more and 10 ° or less. Such a design facilitates implant implantation and reduces frictional heat generation.

In the non-instantaneously loaded dental implant provided by the embodiment of the present application, as shown in fig. 2, the included angle between the working surface of each thread in the second thread segments 121 and the radial direction of the head 1 is β, and β is greater than or equal to 5 ° and less than or equal to 10 °. Such a design facilitates implant implantation and reduces frictional heat generation.

In the non-immediate-load oral implant provided by the embodiment of the application, as shown in fig. 1-5, one or more chip discharge grooves 4 are formed on the head 1; the chip groove 4 extends from the guide portion 11 to the mounting portion 12. Further, the number of the junk slots 4 may be 4, for example. More for example symmetrically distributed over the head 1. Such design makes at the implant implantation in-process, collects cancellous bone, reduces pressure, avoids the heat production, does benefit to the osseointegration and forms, has certain anti-rotation of adversity effect simultaneously. In one embodiment, the depth of the chip discharge groove 4 is 1.0-1.2mm, 1.0-1.1 mm, or 1.1-1.2 mm. The diameter is 3.5-4.5mm, 3.5-4.0mm, 4.0-4.5mm, etc. The length is 6-12 mm, 6-8 mm, 8-10 mm, or 10-12 mm.

In the non-immediate load oral implant provided by the embodiments of the present application, the transition part 2 functions to improve the osseointegration rate.

In the non-instantaneously loaded oral implant provided by the embodiments of the present application, as shown in fig. 1-5, the transition portion 2 includes a horizontal thread segment 21. The design has the advantages of dense small screw threads, increased surface area of the implant and improved bone integration rate of the implant.

Embodiments of the present application provide a non-immediate load oral implant in which the thread depth, thickness and pitch of the second threaded portion are all greater than the thread depth, thickness and pitch of the transition portion 2. The thread depth of the second thread part is beneficial to implant, and a little initial stability is obtained, and the thread of the transition part 2 is used for improving the osseointegration efficiency.

In the non-instantaneously loaded dental implant provided by the embodiment of the present application, as shown in fig. 2, the angle between the working surface of each thread in the threaded portion 31 and the radial direction of the neck portion 3 is δ, 5 ° ≦ δ ≦ 10 °. The design ensures that the side wall of the cavity is convenient to extrude in the process of implanting the implant, and is beneficial to obtaining the initial stability.

In some embodiments, the thread depth of the threaded portion 31 is 0.5 to 2 mm. The thickness of the thread part 31 is 0.1 to 1 mm. The pitch of the screw portion 31 is 0.1 to 0.5 mm.

In the non-immediate-load oral implant provided by the embodiment of the application, the length-diameter ratio of the head part 1 is 6-12: 3.5-4.5.

In the non-immediate-load oral implant provided by the embodiment of the application, the length-diameter ratio of the neck part 3 is 2-4: 3.5-4.5. In some embodiments, the length of the neck 3 may be 2-4 mm, 2-3 mm, or 3-4 mm, etc. The diameter of the neck 3 is 3.5-4.5mm, 3.5-4.0mm, or 4.0-4.5mm, etc.

In the non-immediate loading oral implant provided by the embodiment of the present application, as shown in fig. 1 to 5, the transition portion 2 is a cylinder, and the neck portion 3 is a cylinder. The mounting portion 12, the transition portion 2, and the neck portion 3 are of equal diameter. Specifically, the transition portion 2 and the mounting portion 12 have diameters of 3.5-4.5mm, 3.5-4.0mm, or 4.0-4.5mm, etc.

In the non-instantaneous oral implant provided by the embodiment of the application, the length of the implant can be set according to actual needs, and can be 6 mm-12 mm, for example. More specifically, the thickness may be 6mm, 8mm, 10mm, 12mm, or the like.

In the non-immediate-loading oral implant provided by the embodiment of the application, the diameter of the implant can be set according to actual needs, and can be 3.5mm-4.5mm, for example. More specifically, the thickness may be 3.5mm, 4.1mm, 4.5mm, or the like. The implant can meet the requirements of different parts and bone mass while ensuring the sufficient strength of the implant.

In the non-immediate-load oral implant provided by the embodiment of the application, the end of the neck 3 far away from the transition part 2 is provided with a mounting groove 33 which can be connected with the abutment. The abutment is generally a portion of the oral implant exposed to the outside of the mucosa, and provides support, retention and stabilization to the artificial denture of its upper structure. The abutment and the non-instantly-loaded dental implant may be generally connected by a transition 2. Wherein, the base station can be a composite base station in the prior art. In general, the mounting groove 33 may have a hollow inner hexagonal structure, and is connected to the base by an inner hexagonal connection.

The implant leaves the factory and is independently packaged by 3 layers, and the innermost layer is packaged by a sterile titanium tube; the second layer of package is a sterile plastic package, and the outer package is a plastic package paper box. Clinically, according to the specific conditions of a patient, an implant with a proper length is selected, and after the implantation cavity is prepared, the implant is implanted. The non-instant loaded oral implant clinical specific use instructions are as follows:

1. according to the planting process, anaesthetizing, turning over the flap, designing before operation and dissecting and analyzing the wing plate, completing the fixed point, positioning and three-dimensional direction determination, completing the hole preparation by using a planting reamer, washing bone chips in the hole channel and the like.

2. And selecting an implant with a proper length and a proper platform height according to the repair requirement. And opening the outer package of the implant, taking out and carefully opening the sterile plastic package, and carefully pouring the implant filled with the sterile inner-layer package on a sterile operating table to avoid the contact with the sterile inner package and the slippage and pollution of the inner-layer package.

3. Fully expose the art district in the mouth, stabilize patient's opening position, take out the planting body from aseptic titanium pipe packing, carefully meet with the planting cell-phone head, avoid being contaminated. Carefully implant the implant with the smooth part of the neck 3 towards the soft tissue side and the threaded part 31 towards the bone side, install the healing cap, suture closed the operative area.

In summary, the non-immediate load oral implant provided by the embodiment of the present application has the following advantages:

the non-immediate load oral implant of this application is because neck 3 has half smooth neck ring, so can bury the thread face in the alveolar bone when bone mass is less than a small amount, exposes smooth neck 32 outside the bone, contacts with the soft tissue, so both can guarantee implant initial stage stability, avoids the plaque to pile up on the implant that exposes again, has reduced the probability that peri-implantitis takes place. More importantly, the bone powder is not needed to be implanted to cover the implant, so that the operation is simple, the operation wound is reduced, the operation cost is saved, and great social and economic benefits are achieved.

In conclusion, the present application effectively overcomes various disadvantages of the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims (10)

1. A non-instantly-loaded oral implant, characterized in that it comprises a head (1), a transition part (2) and a neck (3) which are contiguous in sequence, the head (1) comprising a guide part (11) and a mounting part (12) which are connected; a tip is arranged at one end, far away from the mounting part (12), of the guide part (11); the mounting part (12) is connected with the transition part (2); the guide portion (11) comprises a first thread section (111); the mounting portion (12) comprises a second threaded section (121); the neck (3) comprises a threaded portion (31) and a smooth neck (32) which are adjacent to each other, and the outer surface of the smooth neck (32) is a semicircular arc surface.

2. The non-immediate load oral implant according to claim 1, characterized in that said guide (11) is a cone; the diameter of the guide part (11) is gradually increased from one end far away from the installation part (12) to one end close to the installation part (12).

3. The non-instantaneously loaded oral implant according to claim 1, characterised in that the mounting part (12) is a cylinder, the diameter of the mounting part (12) being equal from the end remote from the transition part (2) to the end close to the transition part (2).

4. The non-instantaneously loaded oral implant of claim 1, in which the pitch between adjacent threads of the first threaded section (111) is equal to the pitch between adjacent threads of the second threaded section (121).

5. The non-immediate load oral implant of claim 1, wherein the thread depth of the first thread segments (111) is equal;

and/or the thread depths of the second thread segments (121) are equal;

and/or the thread depth of the first thread segments (111) is less than the thread depth of the second thread segments (121).

6. The non-immediate load oral implant of claim 1, wherein the thread thickness of the first thread section (111) and the second thread section (121) are equal.

7. A non-instantaneously loaded oral implant as claimed in claim 1 characterised in that the angle between the working face of each thread in the first thread section (111) and the radial direction of the head (1) is α, 5 ° ≦ α ≦ 10 °;

and/or the included angle between the working surface of each thread in the second thread section (121) and the radial direction of the head (1) is beta, and beta is more than or equal to 5 degrees and less than or equal to 10 degrees.

8. The non-immediate load oral implant according to claim 1, characterized in that said head (1) is provided with one or more flutes (4); the chip groove (4) extends from the guide portion (11) to the mounting portion (12).

9. The non-immediate load oral implant according to claim 1, characterized in that the transition (2) comprises a horizontal thread segment (21).

10. The non-immediate load oral implant according to claim 1, characterized in that the angle between the working surface of each thread in the threaded portion (31) and the radial direction of the neck portion (3) is δ, 5 ° ≦ δ ≦ 10 °;

and/or the length/diameter ratio of the head (1) is 6-12: 3.5-4.5;

and/or the length-diameter ratio of the neck (3) is 2-4: 3.5-4.5;

and/or one end of the neck part (3) far away from the transition part (2) is provided with a mounting groove (33);

and/or the non-immediate-load oral implant is made of four-grade titanium.

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