A method for quantifying positional change of the condyle on lateral tomograms by means of digital subtraction

H. Sato, M. Ohki, H. Kitamori

研究成果: Contribution to journalArticle

8 被引用数 (Scopus)

抄録

A method is described for quantifying the positional change of the condyle on lateral tomograms of the temporomandibular joint (TMJ) by use of digital subtraction. This method permits rotational and translational changes of condylar reference points for easy measurement. Accuracy was evaluated in vitro using both TMJs of two dry human skulls and in vivo with seven volunteers. The average absolute error of the angle of rotation in vitro was 0.67°. For the anterior-posterior element of translation the average absolute error was 0.07 mm, and for the superior-inferior element of translation it was 0.06 mm. From these results, we could conclude that the method provides clinically acceptable measurement accuracy. To verify the usefulness of the method, a clinical application is presented.

本文言語英語
ページ(範囲)448-455
ページ数8
ジャーナルJournal of oral rehabilitation
25
6
DOI
出版ステータス出版済み - 6 1998

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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