Evaluation of Adhesive Defects using an Ultrasonic Pulse-reflection Technique
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概要
- 論文の詳細を見る
The purpose of this study was to examine the application of an ultrasonic pulse-reflection technique for the evaluation of adhesive defects. First, the sonic velocities in the enamel and dentin of human molars and bovine incisors were measured with a pulsar receiver attached to an ultrasonic transducer. The identification of the dentino-enamel junction and pulp-dentin interface using the ultrasonic method based on intrinsic sonic velocities showed good agreement with the actual measured thicknesses. Next, a cemented restoration with artificial faults was prepared. Half of the Au-Ag-Pd alloy plate area was cemented to the dentin slab using luting resin cement. The adhesive interface was evaluated with a high-resolution ultrasonic imaging system. Clear internal faults were evident from the ultrasonic tomogram. The findings of this study suggest that the ultrasonic pulse-reflection technique may be useful for inspecting and imaging structural defects of adhesive interfaces.
- 日本歯科理工学会の論文
著者
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Toyoda Minoru
Department of Gnatho-Oral Prosthetic Rehabilitation, Nihon University School of Dentistry at Matsudo
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TERANAKA Toshio
Department of Oral Medicine, Division of Operative Dentistry and Endodontics, Kanagawa Dental Colleg
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Hamano Naho
Division Of Prosthetics Department Of Oral And Maxillofacial Rehabilitation Kanagawa Dental College
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Toyoda Minoru
Division Of Prosthetics Department Of Oral And Maxillofacial Rehabilitation Kanagawa Dental College
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Teranaka Toshio
Department Of Oral Medicine Division Of Restorative Dentistry Kanagawa Dental College
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Teranaka Toshio
Department Of Operative Dentistry And Endodontics Kanagawa Dental College
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Toyoda Minoru
Department Of Oral And Maxillofacial Rehabilitation Division Of Prosthetics Kanagawa Dental College
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HANAOKA Koji
Department of Operative Dentistry & Endodontics, Kanagawa Dental College
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EBIHARA Kei
Department of Operative Dentistry & Endodontics, Kanagawa Dental College
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HAMANO Naho
Department of Prosthetic Dentistry, Kanagawa Dental College
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Ebihara Kei
Department Of Operative Dentistry And Endodontics Kanagawa Dental College
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Hanaoka Koji
Department Of Operative Dentistry And Endodontics Kanagawa Dental College
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Teranaka Toshio
Division of Restorative Dentistry, Department of Oral Medicine, Kanagawa Dental College
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TERANAKA Toshio
Department of Cariology and Restorative Dentistry, Graduate School of Dentistry, Kanagawa Dental University
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HANAOKA Koji
Department of Dental Education, Graduate School of Dentistry, Kanagawa Dental University
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HAMANO Naho
Department of Highly Advanced Stomatology, Kanagawa Dental University
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