CN217908029U - Fixed knot of planting tooth constructs - Google Patents

Abstract

The utility model is suitable for a plant implant technical field, provide a fixed knot of planting tooth constructs, including planting body and base station, the base station includes individualized design's base station base, standard butt joint cap and expansion screw subassembly. The top periphery of base station base is equipped with the draw-in groove, and the screw hole has been seted up to the side of standard butt joint cap, and expansion screw subassembly includes screw rod, expansion pipe and nut. One end of the screw rod is a threaded end, and the other end of the screw rod is a conical end. After the nut is screwed down, the conical end struts the groove wall of the expansion pipe jacking clamping groove, and the base of the base station is tightly connected with the standard butt joint cap. The nut can be unscrewed outside, the standard butt joint cap and the dental crown on the standard butt joint cap can be disassembled for repair or replacement, and the base of the abutment can be kept in situ for recycling. Therefore, by adopting the fixing structure, the personalized base of the abutment is not required to be detached when the dental crown is repaired or replaced, the base of the abutment can be repeatedly utilized, the cost is reduced, and the repairing or replacing efficiency of the dental implant is improved.

Description

Fixed knot of planting tooth constructs

Technical Field

The utility model belongs to the technical field of plant the tooth, especially, relate to a fixed knot who plants tooth constructs.

Background

The dental implant comprises a dental crown, an abutment and an implant (implant nail), when a dentist implants a tooth for a patient, the implant is screwed into the alveolar bone firstly, and the implant is connected with the alveolar bone by virtue of external threads on the periphery of the implant. In the prior art, a base station is provided with a vertical screw hole, the base station is connected with an implant through a screw, and finally, a dental crown (which can be made of materials such as ceramic, titanium alloy and the like) is bonded on the base station.

After the dental crown is adhered to the abutment, the opening position of the vertical screw hole on the abutment is covered by the dental crown for the sake of beauty and prevention of foreign matter from entering the screw hole. Thus, the position of the vertical screw hole of the base cannot be seen in appearance. When the implant needs to be removed for repair or replacement, the abutment needs to be removed together with the dental crown. In addition, the abutment is stuck to the hard crown, and the hardness of the crown is high, so that it is difficult to separate it from the abutment, thereby causing the abutment not to be reused.

The abutment is designed individually, and the manufacture of the abutment requires medical staff to scan the position of the implanted tooth in the oral cavity, the tooth inclination angle and other characteristics, and the abutment is returned to the medical staff after the manufacture in a factory is completed. It is clear that the manufacturing process of the abutment is long, the process is complicated, the cost is high, and the waiting time of both the doctor and the patient is long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixed knot of planting tooth constructs, it can solve among the prior art when restoreing or changing planting tooth, need make again that the base station exists with high costs, and need the long problem of doctor-patient both sides latency.

The utility model discloses a realize like this, a fixed knot who plants tooth constructs, including planting body and base station, the base station includes individualized base station base, standard butt joint cap and the expansion screw subassembly, the external screw thread of base station base bottom with the female connection of planting body, standard butt joint cap cover is established the top of base station base, the top periphery of base station base is equipped with the draw-in groove, the side of standard butt joint cap has seted up the screw hole, the expansion screw subassembly includes screw rod, expansion pipe and nut, the expansion pipe cover is established on the screw rod, one end of screw rod is the screw thread end, and the other end is the cone end, the diameter of cone end reduces towards the direction of screw thread end gradually, the nut with screw thread end threaded connection; the screw rod and the expansion pipe are inserted into the screw hole, after the nut is screwed down, the conical end props open the expansion pipe, and the expansion pipe props against the groove wall of the clamping groove.

Furthermore, the clamping groove is an annular clamping groove formed in the circumferential direction of the top end of the base station base.

Furthermore, be equipped with the boss on the side of standard butt joint cap, be equipped with in the boss the screw hole, the length direction of screw hole incline to the central line on base top.

Furthermore, the lateral surface of boss is an inclined plane, the outside drill way of screw hole is located on the inclined plane.

Furthermore, a groove for embedding the nut is formed in the boss corresponding to the outer side hole of the screw hole.

Compared with the prior art, the utility model, beneficial effect lies in:

the utility model discloses a fixed knot of planting tooth constructs, including implant and base station, the base station includes individualized design's base station base, standard butt joint cap and expansion screw subassembly. The top periphery of base station base is equipped with the draw-in groove, and the screw hole has been seted up to the side of standard butt joint cap, and expansion screw subassembly includes screw rod, expansion pipe and nut. One end of the screw rod is a threaded end, and the other end of the screw rod is a conical end. The screw rod and the expansion pipe are inserted into the screw hole, the conical end stretches the expansion pipe after the nut is screwed down, and the expansion pipe can be pressed against the groove wall of the clamping groove after being stretched, so that the base of the base station is fixedly connected with the standard butt joint cap. Because the screw hole is located the side position of standard butt-joint cap, this position does not have the crown of a tooth to cover, so can directly unscrew the nut outside, make the expansion tube shrink the original state, at this moment, can take out screw rod and expansion tube, pull down standard butt-joint cap and the crown of a tooth on it and restore or change. The standard butt joint cap is a standard component, individual design is not needed, and batch production can be realized in a factory. The base station base with the personalized design can be kept in situ (namely, the base station base does not need to be taken down from the implant, and the base station base with the personalized design does not need to be replaced), and can be repeatedly used.

Therefore, by adopting the fixing structure, the personalized base station base does not need to be detached when the dental crown is repaired or replaced, the base station base can be reused, the problems of long time period for manufacturing the personalized base station, various processes, high cost and long waiting time of doctors and patients are solved, and the efficiency of repairing or replacing the dental implant is improved.

Drawings

Fig. 1 is a schematic structural view of a fixing structure for implanting teeth according to an embodiment of the present invention;

fig. 2 is an exploded view of a fixing structure for implanting teeth according to an embodiment of the present invention;

fig. 3 is a schematic longitudinal sectional view of a fixing structure for implanting teeth according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a fixing structure for an implant tooth according to the present embodiment is shown, which includes an implant 1 and an abutment 2, wherein the abutment 2 includes an abutment base 21 (the shape of the abutment base 21 is designed according to the position and the inclination angle of the implant, and needs to be manufactured in a factory according to scanned data, and may be a vertical shape or a bent shape), a standard abutment cap 22, and an expansion screw assembly. The external thread at the bottom end of the base station base 21 is connected with the internal thread of the implant 1, and the standard butt cap sleeve 22 is arranged at the top end of the base station base 21.

The top periphery of base station base 21 is equipped with draw-in groove 211, and screw hole 221 has been seted up to the side of standard butt joint cap 22, and the expansion screw subassembly includes screw rod 231, expansion tube 232 and nut 233. The expansion pipe sleeve 232 is disposed on the screw 231, one end of the screw 231 is a threaded end, and the other end is a tapered end, the diameter of the tapered end gradually decreases toward the threaded end. Nut 233 and threaded end threaded connection, screw rod 231 and expansion pipe 232 all insert and arrange in screw hole 221, and when nut 233 screwed up the back, the cone end moved towards nut 233 direction, can strut expansion pipe 232, and expansion pipe 232 struts the back, can roof pressure draw-in groove 211's cell wall, has realized base station base 21 and standard butt joint cap 22's fastening connection.

Since the screw hole 221 is located at the side position of the standard abutment cap 22, which is not covered by the crown, the nut 233 can be directly unscrewed from the outside to shrink the expansion tube 232 to the original shape, and at this time, the screw 231 and the expansion tube 232 can be removed, and the standard abutment cap 22 and the crown thereon can be removed for repair or replacement. The standard docking cap 22 is a standard component and can be mass produced in a factory without any personalized design. The individually designed base 21 can be left in place (i.e. the base 21 does not need to be removed from the implant 1, and the individually designed base 21 does not need to be replaced), and the base 21 can be reused.

Therefore, by adopting the fixing structure, the personalized base station base 21 does not need to be detached when the dental crown is repaired or replaced, the base station base 21 can be reused, the problems of long time period for manufacturing the personalized base station, various processes, high cost and long waiting time of doctors and patients are solved, and the efficiency of repairing or replacing the dental implant is improved.

Further, the clamping groove 211 is an annular clamping groove formed along the circumferential direction of the top end of the base 21 of the base, and by means of the structure, before the standard butt joint cap 22 is locked, the standard butt joint cap 22 can be rotated to rotate to a proper angle, and then the expansion screw assembly is installed. Thereby realizing the adjustment of the angle of the dental crown.

A boss 222 is arranged on one side surface of the standard butt cap 22, a screw hole 221 is arranged in the boss 222, and the length direction of the screw hole 221 is inclined to the central line of the top end of the base station base 21. In this embodiment, the outer side of the boss 222 is an inclined plane, and the outer opening of the screw hole 221 is located on the inclined plane.

The boss 222 is provided with a groove 223 for embedding the nut 233 at an outer hole corresponding to the screw hole 221, thereby preventing the nut 233 from protruding outward and occupying an oral space.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. A fixing structure for tooth implantation comprises an implant body and a base station, and is characterized in that the base station comprises a base station base, a standard butt joint cap and an expansion screw component which are designed individually, external threads at the bottom end of the base station base are connected with internal threads of the implant body, the standard butt joint cap is sleeved at the top end of the base station base, a clamping groove is formed in the periphery of the top end of the base station base, a screw hole is formed in the side face of the standard butt joint cap, the expansion screw component comprises a screw rod, an expansion pipe and a nut, the expansion pipe is sleeved on the screw rod, one end of the screw rod is a threaded end, the other end of the screw rod is a tapered end, the diameter of the tapered end is gradually reduced towards the direction of the threaded end, and the nut is in threaded connection with the threaded end; the screw rod and the expansion pipe are inserted into the screw hole, after the nut is screwed down, the conical end props open the expansion pipe, and the expansion pipe props against the groove wall of the clamping groove.

2. The fixing structure according to claim 1, wherein the engaging groove is an annular engaging groove formed along a circumferential direction of a top end of the base of the abutment.

3. The fixing structure of claim 1, wherein a boss is provided on one side of the standard docking cap, the screw hole is provided in the boss, and a length direction of the screw hole is inclined to a center line of a top end of the base of the abutment.

4. The fixing structure of claim 3, wherein the outer side of the boss is an inclined plane, and the outer opening of the screw hole is located on the inclined plane.

5. The fixing structure according to claim 3 or 4, wherein a groove for embedding the nut is provided at an outer side port of the boss corresponding to the screw hole.

Images