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Three-dimensional analysis of changes in location of crowns and root apices of maxillary central incisors.

作者信息

Lear C S

出版信息

Angle Orthod. 1976 Oct;46(4):338-44. doi: 10.1043/0003-3219(1976)046<0338:TAOCIL>2.0.CO;2.

DOI:10.1043/0003-3219(1976)046<0338:TAOCIL>2.0.CO;2
PMID:1067769
Abstract

A method has been described for analyzing the direction and extent of movement of root apices and midpoints of the incisal edges of maxillary central incisors. The system permits a detailed examination of the effectiveness of any orthodontic technique in relocating maxillary incisors and is particularly useful in determining the efficacy of "torquing" mechanisms.

摘要

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