Journal of the Korean Academy of Pediatric Dentistry 2008;35(3):477-486.
Published online August 31, 2008.
EFFECT OF CURING CONDITIONS ON THE MONOMER ELUTION OF ORTHODONTIC ACRYLIC RESIN
Hong Seok Noh, Jae-Moon Kim, Shin Kim, Tae-Sung Jeong
Department of Pediatric Dentistry, School of Dentistry, Pusan National University 
교정용 아크릴릭 레진의 중합조건에 따른 모노머 용리
노홍석, 김재문, 김신, 정태성
부산대학교 치의학전문대학원 소아치과학교실
Correspondence:  Tae-Sung Jeong,  Tel: 051-240-7449, Email: tsjeong@pusan.ac.kr
Received: 30 June 2008   • Accepted: 7 July 2008
Abstract
Acrylic resin is widely used in dental practice. However, the residual monomer in acrylic resin could act as a negative biocompatability on human body. The aim of this study was to evaluate the amount of the monomer elution from polymerized orthodontic acrylic resin. Orthodontic acrylic resin was used in the study. The curing condition of the resin was controlled by temperature, pressure, aquatic and atmospheric environment. The duration and amount of monomer elution and timedependent plot was recorded by high performance liquid chromatography. The result showed that the only monomer eluted from the resin was methyl methacrylic acid. And the amount of the monomer elution has diminished considerably by time progress especially within 24 hours. Furthermore, elution of the residual monomer was significantly lower in group of pressure, moisture and elevated temperature than control (p<.05). According to this study, it was thought that the elution of residual monomer might be influenced by curing environment.
Key Words: Acrylic resin, Monomer, Elution, Polymerized methods, Time progress


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