Remodeling of alveolar bone crest after molar intrusion with skeletal anchorage system in dogs

Reiko Kanzaki, Takayoshi Daimaruya, Ichiro Takahashi, Hideo Mitani, Junji Sugawara

研究成果: Contribution to journalArticle

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Introduction: The aim of this study was to clarify the influence of supra-alveolar fibers on alveolar bone crest remodeling when several teeth are intruded simultaneously. Methods: The skeletal anchorage system was used to bilaterally intrude the second and third premolars of 10 beagles; supracrestal fiberotomies were performed on 1 side only. Results: The amount of intrusion was greater and the amount of alveolar bone resorption was smaller in the fiberotomy group compared with the nonfiberotomy group. The health status (pocket depth <3 mm) of the dentogingival unit was maintained in the nonfiberotomy group during the experimental period. In the fiberotomy group, the number of osteoclasts on the marginal alveolar crest was less than in the nonfiberotomy group. The dense fiber bundles connecting the second and third premolars and the gingival attachments were maintained in the nonfiberotomy group. Conclusions: Pressure from the supra-alveolar fibers generated by segmental molar intrusion with the skeletal anchorage system induced alveolar bone crest resorption and remodeling, and, as a result, it prevented deepening of the gingival pocket. Periodontal status was good during tooth intrusion.

元の言語英語
ページ(範囲)343-351
ページ数9
ジャーナルAmerican Journal of Orthodontics and Dentofacial Orthopedics
131
発行部数3
DOI
出版物ステータス出版済み - 3 1 2007
外部発表Yes

All Science Journal Classification (ASJC) codes

  • Orthodontics

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