Effect of dentin pretreatment with mild acidic HOCl solution on microtensile bond strength and surface pH

Journal of Dentistry
Sitthikorn KunawaroteJunji Tagami

Abstract

To evaluate the pretreatment effect of mild acidic HOCl solution on the microtensile bond strength (muTBS) of a two-step self-etch adhesive to dentin and the alteration of dentin surface pH. Thirty-nine flat ground coronal dentin specimens were divided into one control group and 12 experimental groups, which were treated with 6% NaOCl or 50, 100 and 200ppm HOCl (Comfosy) solutions for 5, 15 and 30s. After rinsing with running water for 30s, all the dentin surfaces were bonded with Clearfil SE Bond according to the manufacturer's instructions. After 24h water storage, the bonded specimens were sectioned and trimmed to an hourglass shape with a cross-sectional area of approximately 1.0mm(2) and then subjected to the muTBS test. Thirty-six mid-coronal dentin discs were used for surface pH measurement. Dentin surface pH with or without pretreatment was examined using a pH-imaging microscope (SCHEM-100). The muTBS data were analyzed by one-way ANOVA (Dunnett's T3) and the surface pH data were analyzed by non-parametric statistics (Mann-Whitney U-test). Pretreatment with Comfosy at concentrations of 50, 100 and 200 ppm did not significantly affect muTBS regardless of the application time compared with the control group, however the 1...Continue Reading

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Citations

Dec 5, 2012·Dental Materials Journal·Keisuke KambaraJunji Tagami
Feb 13, 2016·Archives of Oral Biology·Bruno Lara ZarellaAnuradha Prakki
Mar 21, 2012·Journal of Dentistry·Ricardo WalterPatricia N R Pereira
Dec 11, 2013·Journal of Dentistry·Ornnicha ThanatvarakornJunji Tagami
Sep 23, 2016·Brazilian Dental Journal·João Luiz Bittencourt de AbreuKatia Regina Hostilio Cervantes Dias
May 17, 2018·Restorative Dentistry & Endodontics·Khaldoan H AlshaikhSalah H Mahmoud
Dec 4, 2019·Operative Dentistry·Alm UbaldiniM L Baesso
Apr 26, 2016·Veterinary Dermatology·Maarja UriVanessa M Schmidt
Aug 21, 2021·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Amal BasalamahMona A Montasser

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