Influence of flowable resins on the shear bond strength of orthodontic brackets

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概要

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• The present study tested the shear bond strength (SBS) of orthodontic brackets bonded to teeth using flowable resins. A total of 105 human teeth were divided into seven groups. The brackets in each group were bonded to the tooth substrates using a Transbond XT adhesive and six other different flowable resins, respectively. Each adhesive resin was light-cured using a quartz-tungsten-halogen (QTH) light for 40 seconds. The brackets were debonded in shear mode using a universal testing machine. The brackets bonded using Tetric Flow and Grandio Flow showed slightly greater SBS values (13.0±1.8 and 12.2±1.2 MPa, respectively) than the Transbond XT adhesive (12.1±1.2 MPa). However, the SBS values of Transbond XT, X-flow, Tetric Flow, Grandio Flow, and Filtek Z350 flow were not significantly different. As for Admira Flow and Aelite Flow, they scored significantly lower SBS values (7.0±2.1 and 9.2±1.3 MPa, respectively) than the other groups. On bracket failure mode, statistical analysis revealed a similar failure mode among all the seven test groups.

• 2009-11-01

著者

• PARK Soo-Byung

  Department of Orthodontics, College of Dentistry, Pusan National University

• SON Woo-Sung

  Department of Orthodontics, College of Dentistry, Pusan National University

• KO Ching-Chang

  Department of Orthodontics, School of Dentistry, University of North Carolina

• GARCIA-GODOY Franklin

  Bioscience Research Center/Clinical Research Center, College of Dentistry, University of Tennessee

• PARK Mi-Gyoung

  Department of Dental Materials, College of Dentistry and Medical Research Institute, Pusan National

• KIM Hyung-Il

  Department of Dental Materials, College of Dentistry and Medical Research Institute, Pusan National

• KWON Yong

  Department of Dental Materials, College of Dentistry and Medical Research Institute, Pusan National

• Kim Hyung-il

  Pusan National Univ. Busan Kor

• Kwon Yong

  Pusan National Univ. Busan Kor

• Son Woo-sung

  Research Institute Of Pharmaceutical Sciences College Of Pharmacy Seoul National University

• Son Woo-sung

  Department Of Orthodontics College Of Dentistry Pusan National University

• Ko Ching-chang

  Department Of Orthodontics School Of Dentistry University Of North Carolina

• Kwon Yong

  Department Of Dental Materials College Of Dentistry And Medical Research Institute Pusan National Un

• Kim H‐i

  Department Of Dental Materials College Of Dentistry Pusan National University

• Kim Hyung-il

  Department Of Dental Materials College Of Dentistry And Medical Research Institute Pusan National Un

• Kim Hyung-il

  Department Of Dental Materials College Of Dentistry Pusan University

• Park Soo-byung

  Department Of Orthodontics College Of Dentistry Pusan National University

• Park Mi-gyoung

  Department Of Dental Materials College Of Dentistry And Medical Research Institute Pusan National Un

• Garcia-godoy Franklin

  Bioscience Research Center/clinical Research Center College Of Dentistry University Of Tennessee

• Kwon Yong

  Department Of Agricultural Biology Kyungpook National University

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