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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/75945
Título: 
Induction of ankylosis in the incisor for orthodontic tooth movement in rats
Autor(es): 
Instituição: 
  • Universidade Estadual Paulista (UNESP)
  • Universidade Estadual de Londrina (UEL)
  • Universidade de São Paulo (USP)
ISSN: 
  • 1600-4469
  • 1600-9657
Resumo: 
Background/Aim: The present research evaluated the induction of ankylosis and the eruption rate in rat incisors, with the aim of achieving stable anchorage for orthodontic tooth movement (OTM) of the molars. Material and methods: Fifteen male Wistar rats were used. In the Experimental group, the right superior incisor of each animal was extracted, denuded of the PDL and the dental papilla, and reimplanted. The Control group was the left superior incisors. The eruption rate was measured at 7, 10, 12, 14, and 16 days after replantation. NiTi closed springs with a 50cN release force were installed for additional 9 days, and the eruption rate was determined. Then, the rats were sacrificed, and ankylosis was examined by microscopic analysis. Differences with P < 0.01 were defined as statistically significant. Results: The eruption rates were 0 and 0.39 mm day-1 in the Experimental group and Control group, respectively. All incisors of the Experimental group showed ankylosis according to histological analysis. Conclusions: The methodology used to induce ankylosis in this study was effective for anchoring the incisors during the OTM of rat molars, eliminating the undesirable effects consequent to continuous eruption. © 2013 John Wiley & Sons A/S.
Data de publicação: 
10-Jul-2013
Citação: 
Dental Traumatology.
Palavras-chaves: 
  • Ankylosis
  • Periodontal ligament
  • Rats
  • Tooth eruption
  • Tooth movement
  • Tooth replantation
Fonte: 
http://dx.doi.org/10.1111/edt.12056
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/75945
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