Effects of tooth rotation on neighboring teeth and periodontal tissues
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Effects of tooth rotation on neighboring teeth and periodontal tissues
Military Medical ResearchIssue 4, Pages: 385-390(1993)
Affiliations:
1. Department of Orthodontics Qindu Stomatological College
2. Fourth Military Medical University
3. ,Japan
4. Faculty of Dentistry
5. Osaka University
Author bio:
Funds:
DOI:
CLC:
Published:1993
Accepted:
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[1]段银钟,陈华,张巧余,林珠,井上博之,作田守.Effects of tooth rotation on neighboring teeth and periodontal tissues[J].Journal of Medical Colleges of PLA,1993(04):385-390.
DOI:
[1]段银钟,陈华,张巧余,林珠,井上博之,作田守.Effects of tooth rotation on neighboring teeth and periodontal tissues[J].Journal of Medical Colleges of PLA,1993(04):385-390.DOI:
Effects of tooth rotation on neighboring teeth and periodontal tissues
摘要
Abstract
<正> In the present experiment
we investigate the effects of orthodontic tooth rotation onneighboring teeth and periodontal tissues.The second maxillary incisors of 16 randomly selecteddogs were subjected to rotation at a magnitude of 100 grams and a moment of 550 g·mm in a du-ration of 3 to 56 days.Then sections were prepared for histological examination.The findings re-vealed that
due to tooth rotation
neighboring teeth were drifted and rotated(82%)
and therewere disarrangement and hyalinization of the periodontal ligament(88%)
remodeling of the pe-riodontium(86%)and root resorption(32%)were also observed.These results demonstratethat tooth rotation may exert marked effects on neighboring teeth and periodontal tissues
whichmay be of important clinical significance.
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