Tooth movements produced by a canine retraction spring were calculated. Although a gable bend and an anti-rotational bend were incorporated into the spring, the canine tipped and rotated initially. Retraction force decreased and moment-to-force ratio increased after the spring legs closed. Then, the initial tipping and rotation began to be corrected. As a result, the canine moved almost bodily after a prolonged period of time. Such tooth movements cannot be estimated from the initial force system. The gable bend decreased tipping movement, but increased rotational movement. On the other hand, the anti-rotational bend decreased rotational movement but increased tipping movement. In other words, one bend decreased the effect of the other, when both bends were incorporated in the spring.
A numerical simulation of orthodontic tooth movement produced by a canine retraction spring. Publishing Authors By Initials
A numerical simulation of orthodontic tooth movement produced by a canine retraction spring. Journal Published:
PUBLICATION TYPE: Journal Article
Journal: Dental materials journal
VOLUME: 26
Page Numbers: 561-7
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ISSN: 0287-4547
DAY: 28
MONTH: Jul
YEAR: 2007
A numerical simulation of orthodontic tooth movement produced by a canine retraction spring. Information
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LANGUAGE: eng
NlmUniqueID: 8309299
A numerical simulation of orthodontic tooth movement produced by a canine retraction spring. Keywords Mesh Terms:
KEYWORDS: Tooth Movement
MESH TERMS: methods
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Grant and Affiliation Information for A numerical simulation of orthodontic tooth movement produced by a canine retraction spring.
AFFILIATION: Department of Mechanical Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan. kojima.yukio@nitech.ac.jp
Country: Japan
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MEDLINETA: Dent Mater J
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