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IPS Empress 도재관의 파절강도:상악 견치에서 절단연 삭제량과 축면 경사도에 따른 영향

FRACTURE STRENGTH OF THE IPS EMPRESS CROWN : THE EFFECTS OF INCISAL REDUCTION AND AXIAL INCLINATION ON UPPER CANINE

박용석|박광수|동진근|강한중|신동국
대한치과보철학회 (The Korean Academy Of Prosthodontics)|2005.02|대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)|제43권 제1호|pp. 30-40

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참고문헌

주제분류치의학

초록

Abstract

Purpose. The purpose of this study was to compare the fracture strength of the IPS Empress ceramic crown according to the incisal reduction (2.0mm, 2.5mm, 3.0mm) and axial inclination (4, 8, 12) of the upper canine. Material and methods. After 10 metal dies were made for each group, the IPS Empress ceramic crowns were fabricated and each crown was cemented on each metal die with resin cement. The cemented crowns mounted on the testing jig were inclined 30 degrees and the universal testing machine was used to measure the fracture strength. Results. 1. The fracture strength of the ceramic crown with 3.0mm depth and 12inclination was the highest (839N). Crowns of 2.0mm depth and 12inclination had the lowest strength (559N). 2. There was no significant difference in the fracture strength by axial inclination in the same incisal reduction group. 3. The fracture mode of the crowns was similar. Most of fracture lines began at the loading area and extended through proximal surface perpendicular to the margin irrespective of incisal reduction.

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관련 논문AI추천

IPS Empress 도재관의 파절강도 : 하악 제2소구치에서 교합면 두께와 축면 경사도에 따른 영향김희진, 남영성, 동진근, 이해형대한치과보철학회 · 대한치과보철학회지2002 · 제40권 제5호IPS Empress 도재관의 파절강도: 하악 제1대구치에서 교합면 두께와 축면경사도에 따른 영향김성훈, 김유리, 동진근, 이진한대한치과보철학회 · 대한치과보철학회지2003 · 제41권 제1호불산 처리 시간이 IPS Empress？ 2 세라믹의 2축 굴곡강도에 미치는 영향에 대한 연구김연휘, 신수연, 이준석, 조인호대한턱관절교합학회 · 구강회복응용과학지2007 · 제23권 제4호반복 사용된 IPS Empress 2의 굽힘강도와 색변화에 관한 연구김성훈, 김유리, 송영국, 안희영, 진태호대한치과보철학회 · 대한치과보철학회지2003 · 제41권 제1호상악중절치에서 전부도재관의 finish line형태에 따른 파절강도와 응력 분포에 관한 연구기태석, 김계순, 김유리, 동진근, 이진한대한치과보철학회 · 대한치과보철학회지2003 · 제41권 제4호반복 사용된 IPS Empress ceramic의 물리적 성질에 관한 연구 Part IV : 경도 및 파괴인성에 관한 연구진태호대한치과보철학회 · 대한치과보철학회지2003 · 제41권 제4호

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