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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.:

US 11234792 B1

PDFFull Text
Date of Patent:
Feb. 01, 2022

Filed:

Oct. 10, 2018

Method of estimating and restoring abutment tooth form changed by scanning and program thereof

Applicant:

Kabushiki Kaisha Shofu, Kyoto, JP;

Inventors:

Makoto Yamamoto, Osaka, JP;

Ryohei Kondo, Kyoto, JP;

Tomoyuki Inoue, Kyoto, JP;

Assignee:

KABUSHIKI KAISHA SHOFU, Kyoto, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

David T Welch

Int. Cl.
CPC ...
A61C 5/77 (2017.01); A61C 13/00 (2006.01); A61C 9/00 (2006.01); G16H 50/50 (2018.01); G06F 30/00 (2020.01); G06F 30/10 (2020.01); G06T 19/20 (2011.01); G06T 7/00 (2017.01); G06T 7/62 (2017.01); G06T 17/10 (2006.01); G06T 15/08 (2011.01);
U.S. Cl.
CPC ...
A61C 5/77 (2017.02); A61C 9/0046 (2013.01); A61C 9/0053 (2013.01); A61C 13/0004 (2013.01); G06F 30/00 (2020.01); G06F 30/10 (2020.01); G06T 7/0012 (2013.01); G06T 7/62 (2017.01); G06T 15/08 (2013.01); G06T 17/10 (2013.01); G06T 19/20 (2013.01); G16H 50/50 (2018.01); G06T 2207/30036 (2013.01); G06T 2210/41 (2013.01); G06T 2219/2021 (2013.01);
Abstract

A method of estimating and restoring includes: determining a temporary finish line having multiple points on scan data as an imaginary boundary line between a formed portion and an unformed portion of the abutment tooth or abutment tooth model; deleting the scan data including the temporary finish line in an edge portion of the abutment tooth or abutment tooth model; extending, in a portion in which the scanned data is deleted, a crown-side temporary finish line and a root-side temporary finish line in directions supplementing the deleted portion of the scan data, respectively; and estimating and restoring the finish line of the edge portion which is formed on the outer side than the edge portion of the deleted scan data based on the extended crown-side temporary finish line and the extended root-side temporary finish line.

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