US2006281050A1PendingUtilityA1

Abutment for dental implant

39
Assignee: CHIH-CHUNG HOPriority: Jun 14, 2005Filed: Jul 17, 2006Published: Dec 14, 2006
Est. expiryJun 14, 2025(expired)· nominal 20-yr term from priority
Inventors:Ho Chih-Chung
A61C 8/0069A61C 8/005A61C 19/00A61C 13/08A61C 19/06
39
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Claims

Abstract

The invention relates to an abutment for dental implant. The abutment of the invention comprises: a post portion, a central portion, a head portion and at least one first portion. The post portion extends along a longitudinal axis. The central portion is formed on the post portion, and has a middle section and a peripheral section. The head portion is formed on the middle section of the central portion, and extends along the longitudinal axis. The first portion is formed on the peripheral section of the central portion, and extends along at least one first direction with a first angle corresponding to the longitudinal axis. According to the invention, the abutment can provide greater metal support and interlocking engagement for a posterior crown.

Claims

exact text as granted — not AI-modified
1 . An abutment for dental implant, comprising: 
 a post portion, extending along a longitudinal axis;    a central portion, formed on the post portion and having a middle section and a peripheral section;    a head portion, formed on the middle section of the central portion and extending along the longitudinal axis; and    at least one first portion, formed on the peripheral section of the central portion and extending along at least one first direction with a first angle corresponding to the longitudinal axis.    
   
   
       2 . The abutment according to  claim 1 , wherein the head portion comprises a post section and a round head, and the round head is formed on the post section.  
   
   
       3 . The abutment according to  claim 1 , wherein the first portion is a plate-like structure.  
   
   
       4 . The abutment according to  claim 3 , wherein the first portion comprises at least one hole penetrating the plate-like structure.  
   
   
       5 . The abutment according to  claim 1 , further comprising at least one second portion, formed on the peripheral section of the central portion and extending along at least one second direction with a second angle corresponding to the longitudinal axis.  
   
   
       6 . The abutment according to  claim 5 , wherein the second portion is a rod-like structure.  
   
   
       7 . An abutment for dental implant, comprising: 
 a post portion, extending along a longitudinal axis;    a central portion, formed on the post portion; and    a head portion, formed on the central portion and having at least one hole penetrating the head portion.    
   
   
       8 . The abutment according to  claim 7 , wherein the head portion is a plate-like structure.  
   
   
       9 . The abutment according to  claim 7 , wherein the head portion extends along a first direction with a first angle corresponding to the longitudinal axis.  
   
   
       10 . The abutment according to  claim 7 , wherein the head portion is formed as a tapered shape with a tapered angle less than six degrees.  
   
   
       11 . The abutment according to  claim 7 , wherein the head portion is formed as a non-tapered shape.

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