Influence of etching ability of one-step self-etch adhesives on bonding to sound and non-carious cervical sclerotic dentin

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  • TSAI Yi-Ling
    School of Dentistry, College of Medicine, National Taiwan University Department of Dentistry, National Taiwan University Hospital
  • NAKAJIMA Masatoshi
    Cariology and Operative Dentistry, Department of Restorative Sciences, Tokyo Medical and Dental University
  • WANG Chen-Ying
    Department of Dentistry, National Taiwan University Hospital
  • FOXTON Richard M.
    Division of Conservative Dentistry, King’s College London Dental Institute at Guy’s, King’s and St Thomas’ Hospitals, King’s College London
  • LIN Chun-Pin
    School of Dentistry, College of Medicine, National Taiwan University Department of Dentistry, National Taiwan University Hospital
  • TAGAMI Junji
    Cariology and Operative Dentistry, Department of Restorative Sciences, Tokyo Medical and Dental University Global Center Excellence (GCOE) Program; International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University

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Abstract

The purpose of this study was to evaluate influence of etching ability of one-step self-etch adhesives on bonding to non-carious cervical sclerotic lesion. Forty-eight human maxillary premolars with and without natural non-carious cervical sclerotic lesions at buccal surfaces were used in this study. Artificial wedge-shaped lesions were prepared in sound premolars. All lesions were bonded with Bond Force (BF; pH=2.3) or G-Bond Plus (GBA; pH=1.5) according to the manufacturers’ instructions. After water storage for 24 hours at 37°C, bonded specimens were subjected to microtensile bond test to measure bond strength to the gingival wall in each lesion. The μTBS of BF to the natural lesion was significantly lower than that of artificial lesion (p<0.05), while for GBA, there is no significant difference (p>0.05). There was no difference in μTBS to artificial lesion between these two adhesives, however in case of non-carious cervical sclerotic lesion, the μTBS of GBA was statistically higher than that of BF.

Journal

  • Dental Materials Journal

    Dental Materials Journal 30 (6), 941-947, 2011

    The Japanese Society for Dental Materials and Devices

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