Patent ID: 6981873
Filing Date: 2006-01-03
Classification: A61C

Abstract:
1. A dental implant comprising: an upper abutment portion to which an artificial crown in fixed; a lower fixture portion for securing said implant in a jawbone; and a settling portion formed between said abutment portion and said fixture portion, wherein a bone tissue is bonded to said settling portion and a diameter of said settling portion is gradually reduced from said upper abutment portion in a downward direction, wherein said upper abutment portion, said lower fixture portion and said settling portion are formed unitarily and in one piece, wherein a crown cap for fixing said artificial crown is mounted on said abutment portion, wherein a surface of said abutment portion is machined and surfaces of said settling and said fixture portions are treated by a blasting method, wherein said abutment portion further comprises: an upper portion to which said artificial crown is fixed; a chamfer for forming edge portions of said implant; and a curved shoulder for maintaining closure of a junction epithelium and a connective tissue in the mouth, wherein a plurality of minute screwed grooves are formed on a surface of said settling portion.