Asymmetrical dental implant and method of insertion

Abstract

An implant fixture is disclosed. The implant fixture includes an elongated body extending along a longitudinal axis. The elongated body includes a base portion having a non-circular cross section and a receiver adapted to receive a prosthetic. A root portion extends from the base portion away from the receiver. An extension portion extends from the root portion away from the base portion. The extension portion extends primarily along one side of the longitudinal axis. A kit containing a plurality of implant fixtures having different configurations is also disclosed. Further, a method of inserting the implant fixture into a patient is also disclosed. The method uses piezoelectrically generated energy to seat the implant fixture in the patient's bone.

1 . An implant fixture comprising an elongated body extending along a longitudinal axis, wherein the elongated body includes:
 a base portion having a non-circular cross section and a receiver adapted to receive a prosthetic;   a root portion extending from the base portion away from the receiver; and   an extension portion extending from the root portion away from the base portion, the extension portion extending primarily along one side of the longitudinal axis.   
     
     
         2 . The implant fixture according to  claim 1 , wherein the receiver comprises an external connection. 
     
     
         3 . The implant fixture according to  claim 1 , wherein the receiver comprises an internal connection. 
     
     
         4 . The implant fixture according to  claim 1 , wherein an interface between the root portion and the extension portion comprises a generally convex face. 
     
     
         5 . The implant fixture according to  claim 1 , wherein the extension portion is tapered along at least one face. 
     
     
         6 . The implant fixture according to  claim 1 , wherein the base portion further comprises:
 a first portion forming a mesiodistal face having a first angle extending obliquely with respect to the longitudinal axis and extending the length of a mesial side and a distal side; and   a second portion forming a facial face having a second angle extending obliquely with respect to the longitudinal axis from a facial side partially toward a lingual side and at an angle relative to the first portion.   
     
     
         7 . The implant fixture according to  claim 6 , wherein the second angle extends obliquely relative to the first angle. 
     
     
         8 . The implant fixture according to  claim 6 , wherein the first angle comprises a mesiodistal angle and the second angle comprises a facial angle. 
     
     
         9 . The implant fixture according to  claim 1 , wherein the base portion comprises a top face extending along a plurality of planes, and each of the plurality of planes extends obliquely relative to the longitudinal axis. 
     
     
         10 . The implant fixture according to  claim 1 , wherein at least a portion of the elongated body comprises a rough exterior surface. 
     
     
         11 . The implant fixture according to  claim 1 , wherein the implant fixture comprises a dental implant fixture. 
     
     
         12 . A kit comprising a plurality of implant fixtures, wherein each implant fixture comprises:
 an elongated body extending along a longitudinal axis, wherein the elongated body includes:   a base portion having a non-circular cross section and a receiver adapted to receive a prosthetic;   a root portion extending from the base portion away from the receiver; and   an extension portion extending from the root portion away from the base portion, the extension portion extending primarily along one side of the longitudinal axis,   wherein at least a first implant fixture of the kit has a different configuration from a second implant fixture of the kit.   
     
     
         13 . The kit according to  claim 12 , wherein all of the plurality of implant fixtures correlate to at least one predetermined implant location. 
     
     
         14 . The kit according to  claim 12 , wherein at least two of the plurality of implant fixtures each correlate to a separate implant location. 
     
     
         15 . The kit according to  claim 12 , wherein each root portion further comprises a generally convex face. 
     
     
         16 . The kit according to  claim 12 , wherein each root portion includes a taper along at least one face. 
     
     
         17 . The kit according to  claim 12 , wherein each base portion further comprises:
 a first portion forming a mesiodistal face having a first angle extending obliquely with respect to the longitudinal axis and extending the length of a mesial side and a distal side; and   a second portion forming a facial face having a second angle extending obliquely with respect to the longitudinal axis from a facial side partially toward a lingual side and at an angle relative to the first portion.   
     
     
         18 . The kit according to  claim 17 , wherein the second angle extends obliquely relative to the first angle. 
     
     
         19 . The kit according to  claim 17 , wherein the first angle comprises a mesiodistal angle and the second angle comprises a facial angle. 
     
     
         20 . The kit according to  claim 12 , wherein each base portion comprises a top face extending along a plurality of planes, and each of the plurality of planes extends obliquely relative to the longitudinal axis. 
     
     
         21 . The kit according to  claim 12 , wherein at least a portion of the elongated body comprises a rough exterior surface. 
     
     
         22 . A method of inserting an implant fixture into a body cavity using a piezoelectric insertion tool comprising:
 attaching the implant fixture to the piezoelectric insertion tool;   inserting the implant fixture into the body cavity; and   seating the implant fixture into the body cavity based on energy from the piezoelectric insertion tool.   
     
     
         23 . The method according to  claim 22 , further comprising, prior to attaching the implant fixture to the piezoelectric device, modifying the configuration of the body cavity. 
     
     
         24 . The method according to  claim 23 , wherein modifying the configuration of the body cavity comprises using at least one piezoelectric tip. 
     
     
         25 . The method according to  claim 22 , further comprising selecting the implant fixture from a plurality of implant fixtures. 
     
     
         26 . The method according to  claim 22 , wherein seating the implant fixture into the body cavity is performed in the absence of an adhesive. 
     
     
         27 . The method according to  claim 22 , wherein seating the implant fixture into the body cavity is performed without rotating the implant fixture in the body cavity. 
     
     
         28 . The method according to  claim 22 , wherein seating the implant fixture into the body cavity comprises applying ultrasonic energy to engage the implant fixture with walls defining the body cavity.