Orthodontic anchorage nail, orthodontic anchorage nail assembly and implant tooth thereof

Abstract

The utility model provides an orthodontic anchorage nail, the upper end face of the orthodontic anchorage nail is provided with a threaded connection hole extending along the direction of the central axis of the orthodontic anchorage nail, the orthodontic anchorage nail comprises an abutment connection part, a retention part and a planting part which are integrally formed and sequentially connected, and tangent plane structures are symmetrically arranged on the side walls of the abutment connecting part. Under the conditions that a patient has tooth missing, needs tooth correction and needs tooth implantation, the tooth implantation device can be arranged at the tooth missing position of the patient, an orthodontic cap is installed on the threaded connection part to serve as an orthodontic fulcrum during tooth correction, and after tooth correction is completed, the orthodontic cap is taken down, and a tooth abutment is installed on the threaded connection part to be used for installing the tooth implantation. According to the utility model, the orthodontic anchorage nail and the tooth abutment are integrated, so that secondary damage to gingiva and alveolar bone is avoided, and the cost can be effectively saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to human body implant type medical instrument technical field, especially orthodontic anchorage nail, orthodontic anchorage nail assembly and its implant tooth. BACKGROUND

[0002] In the tooth correction process, in order to make the deviated tooth move to a certain designated place, orthodontic force needs to be applied to it, and the fulcrum of orthodontic force can be other teeth, but the force is mutual, and the tooth used as the fulcrum can also move undesirably, thereby disturbing the orthodontic scheme. At this time, it is necessary to find a support point again, make it a fixed source of force, and apply orthodontic force to the deviated tooth. With the development of time and technology, anchorage nail has become a fixed support point accepted by dentists.

[0003] In the prior art using anchorage nail as the support point for correcting teeth, the anchorage nail needs to be pulled out after the tooth correction is completed, but in some specific cases, for example, in the case of tooth loss, if the anchorage nail is arranged at the tooth loss site, and if the tooth loss site needs to be implanted with a tooth, the anchorage nail needs to be pulled out and then implanted with an abutment, which can easily damage the alveolar bone. SUMMARY

[0004] Therefore, it is necessary to provide an orthodontic anchorage nail, an orthodontic anchorage nail assembly and an implant tooth thereof, to solve the problem that the tooth needs to be re-implanted with an implant after the orthodontic anchorage nail is used at the tooth loss site, and the alveolar bone is severely damaged and the period is long.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an orthodontic anchorage nail, a threaded connection hole extending along the central axis direction is arranged on the upper end face of the orthodontic anchorage nail, the orthodontic anchorage nail comprises an abutment connecting part, a retaining part and an implant part which are integrally formed and sequentially connected, the abutment connecting part is in a circular table structure, and the side wall of the abutment connecting part is symmetrically provided with a tangent plane structure, the cross-sectional area of the retaining part is greater than that of the implant part, and an opening is arranged at the end of the implant part away from the abutment connecting part.

[0006] Further, the cross section of the retaining part is square or circular.

[0007] Further, the tangent plane structure is parallel to the central axis direction of the orthodontic anchorage nail.

[0008] Further, the implant part comprises an anchorage nail neck part and a threaded blade part, and the anchorage nail neck part is arranged between the threaded blade part and the retaining part.

[0009] Further, a transition conical surface is arranged between the retaining part and the anchorage nail neck part. Further, the implant part comprises an anchorage nail neck part and a threaded blade part, and the anchorage nail neck part is arranged between the threaded blade part and the retaining part.

[0010] Further, the length of the implanting part is 8mm-17mm.

[0011] Further, the length of the tail tapered part of the implanting part is 6mm-15mm.

[0012] Further, the orthodontic cap is provided, and the bottom of the orthodontic cap is provided with an orthodontic cap connecting hole which is matched with the abutment connecting part.

[0013] Further, the outer wall of the orthodontic cap is provided with a wire passing hole.

[0014] Further, the abutment, the dental crown and the orthodontic anchorage screw are provided, and the bottom of the abutment is provided with an abutment connecting hole which is matched with the abutment connecting part.

[0015] Different from the prior art, the technical effects achieved by the above technical solutions are as follows:

[0016] In the case that the patient lacks teeth and needs to correct teeth and implant teeth at the same time, the orthodontic anchorage screw is arranged at the part where the teeth are missing, the orthodontic cap is arranged on the abutment connecting part of the orthodontic anchorage screw, the orthodontic anchorage screw is used as a fixed fulcrum to correct teeth, after the teeth are corrected, the orthodontic cap is removed, the upper abutment connecting part of the orthodontic anchorage screw is connected with the dental abutment of the implant tooth, and the implant tooth is implanted. The orthodontic anchorage screw can realize correction and implantation only by implanting the alveolar bone once in the specific case that the teeth are missing and the teeth need to be corrected and implanted at the same time, avoids secondary damage to the alveolar bone, and is convenient, fast, short in period and cost-saving. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The perspective view of an embodiment is described;

[0018] Figure 2 The front view of an embodiment is described;

[0019] Figure 3 The top view of an embodiment is described;

[0020] Figure 4 The perspective view of an orthodontic cap of an embodiment is described;

[0021] Figure 5 The perspective view of a dental abutment of an embodiment is described;

[0022] BRIEF DESCRIPTION OF DRAWINGS:

[0023] The abutment connecting part 1, the threaded connecting hole 11, the facet structure 12,

[0024] retention part 2,

[0025] implant part 3, opening 31, anchorage peg neck 32, thread blade 33,

[0026] transition cone 4,

[0027] orthodontic cap 5, orthodontic cap connecting hole 51, wire passing hole 52,

[0028] screw 6. DETAILED DESCRIPTION

[0029] To describe the technical contents, structural features, purposes and effects of the technical solutions in detail, the following will be described in combination with specific embodiments and the accompanying drawings.

[0030] In this document, the term "embodiment" means that the specific features, structures or characteristics described in connection with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0031] Unless otherwise defined, the meanings of the technical terms used in this document are the same as those commonly understood by those skilled in the art to which the present application belongs; the use of related terms in this document is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0032] In the description of the present application, the phrase "and / or" is a description of the logical relationship between the objects, which means that there can be three relationships, for example, A and / or B, which means that there are three cases: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this document generally represents that the associated objects before and after are a "or" logical relationship.

[0033] In this application, such as "first" and "second", the terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary and secondary or order relationship between the entities or operations.

[0034] In the present application, the terms "comprise", "contain", "have" or other similar terms used in the description are intended to encompass non-exclusive inclusion, and the terms do not exclude the presence of additional elements in the process, method or product comprising the stated elements, so that the process, method or product comprising a series of elements can not only include those defined elements, but also include other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0035] In the present application, the terms "greater than", "less than", "exceed" and the like are understood as not including the number itself; the terms "above", "below", "within" and the like are understood as including the number itself. In addition, in the description of the embodiments of the present application, the meaning of "multiple" is more than two (including two), and similar expressions related to "multiple" are also understood in this way, for example, "multiple groups", "multiple times" and the like, unless otherwise explicitly specified.

[0036] In the description of the embodiments of the present application, the spatial-related terms used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or the drawings, and are only used to facilitate the description of the specific embodiments of the present application or to facilitate the understanding of the reader, and do not indicate or imply that the indicated device or component must have a particular position, a particular orientation, or be constructed or operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0037] Unless otherwise explicitly specified or limited, in the description of the embodiments of the present application, the terms "mount", "connect", "connect", "fix", "set" and the like should be understood in a broad sense. For example, the "connection" can be a fixed connection, or a detachable connection, or an integral setting; it can be a mechanical connection, or an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art to which the present application belongs, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0038] Please refer to Figures 1-3 , Figure 5The utility model discloses an orthodontic anchorage nail, the upper end face of the orthodontic anchorage nail is provided with a threaded connection hole 11 extending along the central axis direction, the orthodontic anchorage nail comprises a base platform connecting portion 1, a retaining portion 2 and an implant portion 3 which are integrally formed and sequentially connected, the base platform connecting portion 1 is in the shape of a circular truncated cone, and the side wall of the base platform connecting portion 1 is symmetrically provided with a tangent plane structure 12, the cross-sectional area of the retaining portion 2 is greater than the cross-sectional area of the implant portion 3, and the end of the implant portion 3 away from the base platform connecting portion 1 is provided with an opening 31.

[0039] In some embodiments, the cross section of the retaining portion 2 is square or circular.

[0040] The orthodontic anchorage nail is integrally formed of titanium alloy and sequentially connected by the base platform connecting portion 1, the retaining portion 2 and the implant portion 3, the base platform connecting portion 1 is used for connecting an orthodontic cap 5 or a dental base platform, the retaining portion 2 is used for limiting the implant portion 3 implanted in the alveolar bone, and the implant portion 3 is used for being implanted in the alveolar bone, so that the orthodontic anchorage nail is fixedly connected with the alveolar bone. The upper end face of the anchorage nail, that is, the upper end face of the base platform connecting portion 1 is provided with a threaded connection hole 11 extending along the central axis direction, the orthodontic cap 5 is matched with a through hole matched therewith, the anchorage nail is connected with the orthodontic cap 5 or the dental base platform after the base platform connecting portion, the orthodontic cap 5 is connected with the orthodontic anchorage nail through a screw 6, the base platform connecting portion 1 is in the shape of a circular truncated cone, the axis connecting the center of the top surface and the center of the bottom surface of the base platform connecting portion 1 is the central axis, the side wall of the base platform connecting portion 1 is symmetrically provided with a tangent plane structure 12, the tangent plane structure 12 is used for screwing, the orthodontic anchorage nail is screwed into the alveolar bone by clamping the tangent plane structures on the two sides by using a screwing tool, the cross section of the retaining portion 2 is square or circular. If the cross section of the retaining portion 2 is in the shape of a square, the square structure can facilitate the determination of the fixed position of the orthodontic anchorage nail after screwing, that is, the square structure can be used to align the orthodontic anchorage nail by aligning the edge line with the mesiodistal diameter or the buccolingual diameter of the patient, which facilitates the alignment of the screwing position of the orthodontic anchorage nail and can be further used to determine the positions of the orthodontic cap 5 and the dental base platform. The cross-sectional area of the retaining portion 2 in the horizontal direction is greater than the cross-sectional area of the implant portion 3 in the horizontal direction, and in this structure, during the screwing of the orthodontic anchorage nail, the implant portion 3 is implanted in the alveolar bone, and when the retaining portion 2 abuts against or approaches the alveolar bone and the position of the retaining portion 2 meets the requirements, the implanting of the orthodontic anchorage nail is completed. The end of the implant portion 3 away from the base platform connecting portion 1 is provided with an opening 31, preferably, the opening 31 is provided in the shape of a right angle and is used for discharging bone chips generated during the implanting of the implant portion 3 in the alveolar bone.

[0041] In some embodiments, the facet structure 12 is parallel to the direction of the central axis of the orthodontic anchorage pin. In the process of implanting the anchorage pin into the alveolar bone by the medical staff, the anchorage pin is implanted into the alveolar bone by screwing, at this time the facet structure 12 acts as a force point of the screwing tool, the facet structure 12 is parallel to the central axis and the facet structure is symmetrically arranged, which can more widely adapt to the screwing tool, and can better keep the anchorage pin implanted along the central axis into the alveolar bone during the screwing process.

[0042] In some embodiments, the implanting part 3 includes an anchorage pin neck part 32 and a threaded blade part 33, and the anchorage pin neck part 32 is arranged between the threaded blade part 33 and the retaining part 2. The surface of the anchorage pin neck part 32 is smooth, the surface of the threaded blade part 33 is sharp thread, the end of the threaded blade part 32 away from the retaining part 2 is sharp knife-shaped, the threaded blade part 32 is used for piercing the alveolar bone and being fixed into the alveolar bone by rotating the threaded blade, when the anchorage pin is fixed with the alveolar bone, the threaded blade is completely screwed into the alveolar bone, the anchorage pin neck part 32 contacts the gum part, the smooth surface of the anchorage pin neck part 32 can reduce the damage to the tissue, can prevent the bacteria from adhering, reduce the possibility of bacterial breeding and biofilm formation, and at the same time, the relatively smooth surface can make the anchorage pin better fit with the surrounding bone tissue, which is beneficial to the attachment and growth of bone cells on the surface and promotes the process of osseointegration.

[0043] In some embodiments, a transition conical surface 4 is arranged between the retaining part 2 and the anchorage pin neck part 32. The transition conical surface 4 helps the anchorage pin more smoothly reach the predetermined position during the process of implanting into the alveolar bone, guides the accurate implantation of the anchorage pin, reduces the deviation during implantation, the transition conical surface 4 can also make the overall structure of the anchorage pin more continuous and reasonable, which can enhance the anti-rotation and anti-displacement ability of the anchorage pin in the alveolar bone, the transition conical surface 4 can also make the contact between the retaining part 2 of the anchorage pin and the surrounding soft tissue such as gum and mucosa more smooth, reduce the mechanical stimulation and compression to the soft tissue, effectively prevent the problems such as inflammation and ulcer of the soft tissue, improve the comfort of the patient during wearing the anchorage pin, and is beneficial to the health of the oral soft tissue and the smooth progress of the orthodontic treatment.

[0044] In some embodiments, the length of the implanting part is 8mm-17mm.

[0045] In some embodiments, the length of the tail conical part of the implanting part is 6mm-15mm.

[0046] The inventor also provides an orthodontic anchorage pin assembly, comprising an orthodontic cap 5 and the orthodontic anchorage pin in any of the above technical solutions, and the bottom of the orthodontic cap 5 is provided with an orthodontic cap connecting hole 51 which is matched with the abutment connecting part 1. The outer surface of the orthodontic cap 5 is in a cylindrical shape, the bottom of the orthodontic cap 5 is in a circular truncated cone-shaped recess structure, the bottom of the orthodontic cap 5 is matched with the circular truncated cone-shaped abutment connecting part 1, and the bottom of the orthodontic cap 5 can be matched and sleeved on the circular truncated cone-shaped abutment connecting part 1. Meanwhile, the top of the orthodontic cap 5 has a recess structure matched with a bolt, the threaded hole is in communication with the top and bottom, the size of the threaded hole is the same as that of the threaded connecting hole 11 at the top of the orthodontic anchorage pin, when the orthodontic cap is sleeved on the abutment connecting part 1, the threaded connecting hole 11 at the top of the orthodontic anchorage pin is coincided with the threaded hole 51 of the orthodontic cap 5 in the vertical direction, at this time, the bolt is screwed into the abutment connecting part 1 from the top of the orthodontic cap, so that the orthodontic cap 5 and the orthodontic anchorage pin are fixed.

[0047] As shown in Figure 4 In practice, the orthodontic wire is connected with the orthodontic anchorage pin through the wire passing hole 52, and the other end is connected with the tooth to be corrected, so that the orthodontic anchorage pin provides an orthodontic force to the tooth to be corrected.

[0048] In addition, the inventor also provides an implant, comprising an abutment, a crown and the orthodontic anchorage pin in any of the above technical solutions, and the bottom of the abutment 6 is provided with an abutment connecting hole 61 which is matched with the abutment connecting part 1. The abutment 6 is in a circular truncated cone shape, the side of the abutment 6 is in a wave shape, the bottom of the abutment 6 is in a circular truncated cone-shaped recess structure, the bottom of the abutment 6 is matched with the circular truncated cone-shaped abutment connecting part 1, and the bottom of the abutment 6 can be matched and sleeved on the circular truncated cone-shaped abutment connecting part 1. Meanwhile, the top of the abutment 6 has a recess structure matched with a bolt, the abutment connecting hole 61 is in communication with the top and bottom, the size of the threaded hole in the abutment connecting hole 61 is the same as that of the threaded connecting hole 11 at the top of the orthodontic anchorage pin, when the abutment 6 is sleeved on the abutment connecting part 1, the threaded connecting hole 11 at the top of the orthodontic anchorage pin is coincided with the threaded hole in the abutment connecting hole 61 in the vertical direction, at this time, the bolt is screwed into the abutment connecting part from the top of the abutment 6, so that the abutment 6 and the orthodontic anchorage pin are fixed.

[0049] It should be noted that although the above embodiments have been described in the present text, the patent protection scope of the present utility model is not limited thereby. Therefore, based on the innovative concept of the present utility model, the changes and modifications of the embodiments described in the present text, or the equivalent structure or equivalent process transformation made by using the content of the present utility model specification and drawings, directly or indirectly, apply the above technical solutions to other related technical fields, are all included in the protection scope of the patent of the present utility model.

Claims

1. An orthodontic anchorage pin, characterized by: The upper end face of the orthodontic anchorage pin is provided with a threaded connection hole extending along the central axis direction, the orthodontic anchorage pin comprises a base connection part, a retaining part and an implant part which are integrally formed and sequentially connected, the base connection part is in a circular table structure, the side wall of the base connection part is symmetrically provided with a cut surface structure, the cross-sectional area of the retaining part is larger than that of the implant part, and the implant part is provided with an opening at the end away from the base connection part.

2. The orthodontic anchorage pin of claim 1, wherein: The cross section of the retaining part is square or circular.

3. The orthodontic anchorage pin of claim 1, wherein: The cut surface structure is parallel to the central axis direction of the orthodontic anchorage pin.

4. The orthodontic anchorage pin of claim 1, wherein: The implant part comprises an anchorage pin neck part and a threaded blade part, and the anchorage pin neck part is arranged between the threaded blade part and the retaining part.

5. The orthodontic anchorage pin of claim 4, wherein: A transition conical surface is arranged between the retaining part and the anchorage pin neck part.

6. The orthodontic anchorage pin of claim 1, wherein: The length of the implant part is 8-17 mm.

7. The orthodontic anchorage pin of claim 1, wherein: The length of the tail conical part of the implant part is 6-15 mm.

8. An orthodontic anchorage pin assembly, comprising: The orthodontic cap and the orthodontic anchorage pin of any one of claims 1-7 are included, and the bottom of the orthodontic cap is provided with an orthodontic cap connection hole which is matched with the base connection part.

9. The orthodontic anchorage pin assembly of claim 8, wherein: A wire passing hole is arranged on the outer wall of the orthodontic cap.

10. A dental implant, characterized by: The base, the crown and the orthodontic anchorage pin of any one of claims 1-7 are included, and the bottom of the base is provided with a base connection hole which is matched with the base connection part.

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