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HALOGEN LIGHT CURING UNIT 과 LIGHT EMITTING DIODES CURING UNIT 을 이용하여 중합되어진 복합레진의 마모 특성 비교
이권용(K.Y. Lee),김환(H. Kim),박성호(S. H. Park),정일영(I.Y. Jung),전승범(S.B. Jeon) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
In this study, the wear characteristics of five different dental composite resins cured by conventional halogen light and LED light sources were investigated. Five different dental composite resins of Surefil, Z100, Dyract AP, Fuji Ⅱ LC and Compoglass were worn against a zirconia ceramic ball using a pin-on-disk type wear tester with 15 N contact force in a reciprocal sliding motion with sliding distance of 10 ㎜/cycle at 1Hz under the room temperature dry condition. The wear variations of dental composite resins were linearly increased as the number of cycles increased. It was observed that the wear resistances of these specimens were in the order of Dyract AP > Surefil > Compoglass > Z100 > Fuji Ⅱ LC. On the morphological observations by SEM, the large crack formation on the sliding track of Fuji II LC specimen was the greatest among all resin composites. Dyract AP showed the least wear with few surface damage. There is no significant difference in wear performance between conventional halogen light curing and light emitting diodes curing sources. It indicates that a light emitting diodes (LED) source can replace a halogen light source as a curing unit for composite resin restorations.
치아 충전용 복합레진의 광중합 광원 종류에 따른 마멸 비교
김환(H. Kim),이권용(K.Y. Lee),박성호(S.H. Park),정일영(I.Y. Jung),전승범(S.B. Jeon) 한국트라이볼로지학회 2004 한국트라이볼로지학회 학술대회 Vol.39 No.-
In this study, the wear characteristics of five different dental composite resins cured by conventional halogen light and LED light sources were investigated. Five different dental composite resins of Surefil, Z100, Dyract AP, Fuji II LC and Compoglass were worn against a zirconia ceramic ball using a pin-on-disk type wear tester with 15 N contact force in a reciprocal sliding motion of sliding distance of 10 ㎜/cycle at 1㎐ under the room temperature dry condition. The wear variations of dental composite resins were linearly increased as the number of cycles increased. It was observed that the wear resistances of these specimens were in the order of Dyract AP > Surefil > Compoglass > Z100 > Fuji II LC. On the morphological observations by SEM, the large crack formation on the sliding track of Fuji ?LC specimen was the greatest among all resin composites. Dyract AP showed less wear with few surface damage. There is no significant difference in wear performance between conventional halogen light curing and light emitting diodes curing sources. It indicates that a light emitting diodes (LED) source can replace a halogen light source as curing unit for composite resin restorations.
임성채(S.C. Lim),유호동(H.D. Yoo),김광수(K.S. Kim),정일영(I.Y. Jung),김명호(M.H. Kim) 한국정보과학회 1994 한국정보과학회 학술발표논문집 Vol.21 No.1
OSI-DTP(OSI-Distributed Transaction Processing; ISO/IEC 10026) 프로토콜은 개방형 시스템들 상에서 분산 트랜잭션을 수행하고자 할 때, 분산 트랜잭션을 수행하는 응용 프로그램이 간단한 서비스 프리미티브의 호출만으로 분산 트랜잭션의 ACID 특성을 얻을 수 있도록 하는 프로토콜이다. 본 논문에서는 분산 환경에 유용한 OSI-DTP 프로토콜을 지원하기 위해 수행한 OSI-DTP 프로토콜 시스템의 세부 설계 사항을 기술한다.