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Microcomputed tomographic evaluation of canal transportation and centring ability of ProTaper Next and Twisted File Adaptive systems.
Silva, E J N L; Pacheco, P T; Pires, F; Belladonna, F G; De-Deus, G.
Afiliação
  • Silva EJNL; Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Duque de Caxias, RJ, Brazil.
  • Pacheco PT; Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Duque de Caxias, RJ, Brazil.
  • Pires F; Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Duque de Caxias, RJ, Brazil.
  • Belladonna FG; Department of Endodontics, Fluminense Federal University (UFF), Niterói, RJ, Brazil.
  • De-Deus G; Department of Endodontics, School of Dentistry, Grande Rio University (UNIGRANRIO), Duque de Caxias, RJ, Brazil.
Int Endod J ; 50(7): 694-699, 2017 Jul.
Article em En | MEDLINE | ID: mdl-27256247
AIM: To evaluate canal transportation and centring ability of ProTaper Next (PTN) and Twisted File Adaptive (TFA) systems using microcomputed tomographic (micro-CT) imaging. METHODOLOGY: Twenty isthmus-containing mesial roots of mandibular molars were anatomically matched based on similar morphological dimensions using micro-CT evaluation (resolution of 14.25 µm) and assigned to two experimental groups (n = 10) according to the system used for root canal preparation: PTN and TFA groups. Then, the specimens were scanned again and the matched images of the mesial canals, before and after preparation, were examined at three cross-section levels (3, 5 and 7 mm from the apical end of the root) to analyse canal transportation and centring ratio. Independent-samples t-test was used to compare canal transportation and centring ratio between the groups. All statistical procedures were performed with a significance level set at 5%. RESULTS: Root canals prepared with either PTN or TFA systems had similar canal transportation and centring ratios at all levels (P > 0.05). CONCLUSION: PTN and TFA had similar results regarding canal transportation and centring ability.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Preparo de Canal Radicular / Instrumentos Odontológicos / Cavidade Pulpar / Microtomografia por Raio-X / Dente Molar Limite: Humans Idioma: En Revista: Int Endod J Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Preparo de Canal Radicular / Instrumentos Odontológicos / Cavidade Pulpar / Microtomografia por Raio-X / Dente Molar Limite: Humans Idioma: En Revista: Int Endod J Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido