유전치 Resin Infiltration을 위한 표면처리 방법의 대안
Alternative Pretreatment Methods for Resin Infiltration in Primary Anterior Teeth
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본 연구는 유전치 순면의 백색병소에 대한 표면처리 방법에 따른 레진 침투법의 침투 깊이를 공초점 레이저 주사 현미경으로 조사함으로써, 유치의 초기 우식병소에 대한 레진침투법 적용 과정에서, 염산 이외의 대안적 표면처리 방법을 모색할 목적으로 시도되었다. 15% 염산 단독으로 2분간 산부식 한 대조군과 35% 인산 단독으로 2분간 산부식을 시행한 I군 간의 유의한 차이는 보이지 않았다. 하지만 이 두 그룹과 인산 산부식 전 치면세마용 퍼미스 또는 연마용 metal strip으로 표면 전처리를 한 그룹 간에는 레진 침투율에서유의한 차이를 확인하였다(p < .05). 유전치 초기 우식 병소에 레진 침투법을 시행할 때에는 35% 인산 단독 산부식만으로도 15% 염산을 이용한 산부식에 비견할 만한침투 효과를 보이는 것을 확인하였다. 또한 레진의 침투 효과를 높이기 위해서는 산부식 전 병소 표면에 기계적 마모술을 적용하는 것이 효과적인 방법이 될 수 있음을 보여주었다. 이러한 방법은 소아치과 영역에서 레진침투법을 사용하기에 비교적 안전하고 쉽게 활용할 수 있는 표면처리 방법이라 볼 수 있다.
Abstract
Resin infiltration has been used as a treatment option for the management of early caries lesions recently. However, the etching procedure with hydrochloric acid might be somewhat stressful for the clinicians due to safety problem especially for young children, leading to less utility. This study aims at searching for some alternative surface pretreatment methods of resin infiltration for the early caries lesions in primary anterior teeth by comparing penetration depth of various methods. No significant difference was found in penetration ratio between etched surface with 15% hydrochloric acid and 35% phosphoric acid. However, the penetration ratio was significantly higher in groups pretreated either with dental pumice or abrasive metal strip (p < .05). By the result of this study, etching with phosphoric acid as an alternative of hydrochloric acid was thought clinically acceptable as a pretreatment method for resin infiltration in early caries lesions for primary anterior teeth. It was notable that surface conditioning with dental pumice or metal strip before etching was effective in increasing the penetration. This procedural modification might be much more correspondent with minimally invasive concept and hopefully contribute to increased safety and utility in pediatric dentistry.
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