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KMID : 0362419910290030101
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Journal of Korean Academy of Prosthodontics
1991 Volume.29 No. 3 p.101 ~ p.110
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A STUDY REPAIRED JOINT STRENGTH OF COMPLETE DENTURE
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Lee Woo-Hyun
Cho In-Ho
Heo Seong-Joo
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Abstract
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The purpose of this study was to compare the repaired joint strength among several edge profiles after denture repair.
For this study, eight edge profiles were used for repair methods and five self-curing resin brands were used for repair materials. Break away loads were tested after 1 hr., 24 hrs. and 1 week. Instron was used for testing the transverse strength of repaired specimen. The results were as follows. 1. Repaired joint strength was about 35265% of that of original specimen. 2. Joint strengths of round, inverse rabbit, lap ogee joint were higher 수무 that of traditional simple butt joint. 3. Joint strength of the simple butt joint was low significant. 4. Joint strengths 1 hr. specimen were lower than those of 24 hrs. and 1 week specimens in joint strengths. 5. There were no significant differences between 24 hrs. and 1 week specimens in joint strengths. 6. It look more than 24 hours to gain satisfactory physical property after repairing the fractured denture base when self-curing resin was used for repair.
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