The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 10, 1991
Filed:
Aug. 30, 1989
Applicant:
Inventor:
David B Rosen, Lexington, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C / ; A61C / ;
U.S. Cl.
CPC ...
433 17 ; 433 24 ; 433173 ;
Abstract
A dental crown analog suitable for orthodontic anchorage mates with an endosseous dental implant fixture to provide such anchorage at an edentulous site. The crown analog is tapered down toward the transverse dimensions of the implant fixture above the gun line, to minimize the accumulation of bacterial plaque, and to facilitate cleaning by the patient during the process of orthodontic therapy. A standard abutment fixed to the implant fixture may be used with a dental crown overlay fitted over the abutment to provide a choice of crown sizes and shapes.