Ultra-high-speed videography of resin-dentin interface failure dynamics under tensile load.


Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan. Electronic address: [Email]


Ultra-high-speed (UHS) videography was used to visualize the fracture phenomena at the resin-dentin interface during micro-tensile bond strength (μTBS) test. We also investigated whether UHS videography is applicable for failure-mode analysis.


Crack propagation,Dental adhesive systems,Failure mode,Fractographic analysis,Micro-tensile bond-strength test,Ultra-high-speed videography,