Shear/peel bond strength of orthodontic attachments to moist and dry enamel

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Benjamin R NemethChristopher L B Lavelle

Abstract

The purpose of this study was to evaluate the in-vitro shear-peel bond strength of orthodontic attachments bonded to moist and dry enamel surfaces with orthodontic resin. Two stainless-steel mesh-based buttons were bonded to pumiced and etched enamel of each of 60 human molars mounted in cylindrical molds with Transbond XT (3M/Unitek, St Paul, Minn) (control), Smartbond (Gestenco International, Goteborg, Sweden), or Assure (Reliance Orthodontic Products, Itasca, Ill) according to each manufacturer's instructions. Half of the teeth were bonded under dry conditions, and half were given a thick layer of whole, unstimulated, fresh human saliva just before bonding. The teeth were stored in distilled deionized water at 37 degrees C. The shear-peel bond strength of 1 button on each tooth was evaluated in a testing device (Zwick, Ulm, Germany) at 24 hours; the remaining button on each tooth was evaluated at 6 months. Statistically significant differences (P < .05) were evident in button adhesion to the tooth surface between moisture variations for Transbond XT, but not for Assure and Smartbond. Superior bond strengths were obtained for Transbond XT on dry enamel; the bond strength of Assure to saliva-contaminated enamel was better than...Continue Reading

References

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Citations

Feb 19, 2010·European Journal of Orthodontics·Rogelio J Scougall-VilchisKohji Yamamoto
Jul 10, 2013·The Angle Orthodontist·Lylian Kazumi KanashiroSolange Mongelli de Fantini
Dec 14, 2011·Journal of Orthodontics·Andy C S HoWilliama A Wiltshire
Dec 18, 2008·Journal of Applied Oral Science : Revista FOB·Adilson Yoshio FuruseJosé Mondelli
Jan 3, 2021·Orthodontics & Craniofacial Research·Wener ChenXin Wen

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