The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)
- Volume 38 Issue 2
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- Pages.214-225
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- 2000
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- 0301-2875(pISSN)
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- 2005-3789(eISSN)
MARGINAL DISCREPANCY AND RETENTION FORCE OF CONICAL TELESCOPE OUTER CROWN WITH CO-CR-TI ALLOY
Co-Cr-Ti 합금으로 제작한 conical telescope 외관의 변연적합도와 유지력에 관한 연구
- Jung, Hi-Chan (Department of Prosthodontics, College of Dentistry, Pusan National University) ;
- Jeong, Chang-Mo (Department of Prosthodontics, College of Dentistry, Pusan National University) ;
- Jeon, Young-Chan (Department of Prosthodontics, College of Dentistry, Pusan National University) ;
- Lim, Jang-Seop (Department of Prosthodontics, College of Dentistry, Pusan National University)
- Published : 2000.04.01
Abstract
The purpose of this study was to investigate the effects of investing conditions on the marginal discrepancy of conical telescope outer crown with Co-Cr-Ti alloy(Dentitan) and to compare the marginal discrepancy and the retention force of outer crowns using different pattern materials(plastic foil, casting wax, pattern resin). To evaluate the effects of investing conditions on the marginal discrepancy, patterns with plastic foil were invested under three different liquid/powder ratio conditions using phosphate bonded investment(Univest-nonprecious): standard, 10% decreased and 10% increased. At each liquid/powder ratio condition, metal ring was lined with single or double layers of ceramic ring liner. The marginal discrepancy of outer crown at different investing conditions was measured by
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