Fracture Resistance of Nd:YAG Laser-welded Cast Titanium Joints with Various Clinical Thicknesses and Welding Pulse Energies

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概要

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• The purpose of this study was to evaluate the fracture resistance of Nd:YAG laser-welded cast titanium (Ti) joints with various clinical thicknesses and welding pulse energies. A four-point bending test was used to assess the effects of various specimen thicknesses (1-3 mm) and welding pulse energies (11-24 J) on the fracture resistance of Nd:YAG laser-welded Ti dental joints. Fracture resistance was evaluated in terms of the ratio of the number of fractured specimens to the number of tested specimens. As for the fracture frequencies, they were compared using the Cochran-Mantel-Haenszel test. Morphology of the fractured Ti joints was observed using a scanning electron microscope. Results showed that decreasing the specimen thickness and/or increasing the welding pulse energy, i.e., increasing the welded area percentage, resulted in an increase in the fracture resistance of the Ti joint. Where fracture occurred, the fracture site would be at the center of the weld metal.

• 日本歯科理工学会の論文

著者

• Chen Li-kai

  Department Of Dentistry Taipei City Hospital

• Huang Her-hsiung

  Faculty Of Dentistry School Of Dentistry National Yang-ming University:department Of Dentistry Taipe

• LIN Mau-Chin

  Department of Dental Laboratory Technology, Central Taiwan University of Science and Technology

• LIN Sheng-Chieh

  Department of Dental Laboratory Technology, Shu-Zen College of Medicine and Management

• Lin Mau-chin

  Department Of Dental Laboratory Technology Central Taiwan University Of Science And Technology

• WANG Yu-Tsai

  Faculty of Dentistry, School of Dentistry, National Yang-Ming University

• HU Suh-Woan

  Institute of Stomatology, Chung Shan Medical University

• LEE Tzu-Hsin

  School of Dentistry, Chung Shan Medical University

• Lin Sheng-chieh

  Department Of Dental Laboratory Technology Shu-zen College Of Medicine And Management

• Hu Suh-woan

  Institute Of Stomatology Chung Shan Medical University

• Lee Tzu-hsin

  School Of Dentistry Chung Shan Medical University

• Wang Yu-tsai

  Faculty Of Dentistry School Of Dentistry National Yang-ming University

関連論文

• Effects of Welding Pulse Energy and Fluoride Ion on the Cracking Susceptibility and Fatigue Behavior of Nd:YAG Laser-welded Cast Titanium Joints
• Fracture Resistance of Nd:YAG Laser-welded Cast Titanium Joints with Various Clinical Thicknesses and Welding Pulse Energies
• Bonding of dental porcelain to non-cast titanium with different surface treatments

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