Surface Bond Strength in Nickel Based Alloys |
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Authors: | Ganesh Ramesh T. V. Padmanabhan Padma Ariga Shalini Joshi S. Bhuminathan Vasantha Vijayaraghavan |
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Affiliation: | 1. Department of Prosthodontics, Sree Balaji Dental College and Hospital, Chennai, India 2. Department of Prosthodontics, Faculty of Dental Sciences, Sri Ramachandra University, Porur, Chennai, India 3. Saveetha Dental College and Hospitals, Saveetha University, Chennai, India 4. Department of Prosthodontics, AME’s Dental College & Hospital, Raichur, Karnataka, India 5. Department of Prosthodontics, Bharati, Vidyapeeth Dental College & Hospital, Pune, Maharashtra, India
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Abstract: | Bonding of ceramic to the alloy is essential for the longevity of porcelain fused to metal restorations. Imported alloys used now a days in processing them are not economical. So this study was conducted to evaluate and compare the bond strength of ceramic material to nickel based cost effective Nonferrous Materials Technology Development Center (NFTDC), Hyderabad and Heraenium S, Heraeus Kulzer alloy. An Instron testing machine, which has three-point loading system for the application of load onto the specimen was utilized for analyzing bond strength of both alloys. Student t test was conducted and t value obtained was 0.644, and the mean value of flexural bond strength of indigenous alloy is 81.75 with standard deviation of 12.25 and of imported alloy is 84.42 with standard deviation of 10.35, indicating that there was no significant difference between the two alloys. Due to ever increasing cost of imported non-precious alloy the need for a cost-effective replacement was fulfilled by indigenous NFTDC alloy. |
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Keywords: | Nickel based alloy Surface bond strength Flexural strength |
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