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:
Mar. 17, 2015
Filed:
Dec. 29, 2010
Applicants:
Anders Petersson, Göteborg, SE;
Callum Youngson, Heswall, GB;
Inventors:
Anders Petersson, Göteborg, SE;
Callum Youngson, Heswall, GB;
Assignee:
Osstell AB, Gothenburg, SE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 13/12 (2006.01); A61C 19/04 (2006.01); A61C 8/00 (2006.01);
U.S. Cl.
CPC ...
A61C 19/04 (2013.01); A61C 8/00 (2013.01);
Abstract
The invention relates to a method and apparatus for testing attachment quality of a dental crown attached to a tooth and/or implant. The method comprises the steps of: detecting at least one resonance frequency of a member when it is in contact with said crown or a part attached to the crown; and interpreting the detected resonance frequency in terms of the degree of attachment of the crown to a tooth.