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Dye-guidance와 brushing을 통한 산부식 방법이 치면열구전색술의 수복의 질에 미치는 영향

Effects of dye-guidance brushing etching technique on the performance of pits and fissures sealant

이상호|이난영|판아이홍
대한소아치과학회 (The Korean Academy Of Pediatric Dentistry)|2007.02|대한소아치과학회지 (Journal of the Korean academy of pediatric dentistry)|제34권 제1호|pp. 106-121

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참고문헌

키워드

Microleakage미세누출치면세균막 착색제brushing 산부식산부식 형태미세결합강도Plaque detector dyeBrushing etching techniqueEtched patternmicroshear bond strength
주제분류치의학

초록

본 연구는 치면열구전색술시 치과용 염료를 이용하여 초기 우식병소의 유무와 유기물의 잔재를 확인하고 산부식 액의 도포시 brushing방법을 이용하여 침투를 깊이 유도함으로써 열구내 법랑질의 산부식 상태를 유지력을 얻기 위한 최상의 상태로 만들고자 하는 목적으로 자연치를 대상으로 여러 가지 치면세마법과 비교하여 다음과 같은 결과를 얻었다. 1. 실험군은 기존의 치면세마법보다 변연누출이 적었으나 enameloplasty를 시행한 군과는 차이가 없었다. 2. 법랑질 산부식 형태의 질이 향상되었다. 3. 실험군은 다른 군에 비해 미세결합강도가 높았다. 4. 구강내 환경적 조건이 치면열구전색재의 성공실패를 좌우한다. 이상의 결과를 종합하면 치면열구전색술시 치과용 염료와 산부식 액의 도포시 brushing 방법을 이용하여 침투를 깊이 유도하므로써 수복물의 성공적인 도포를 제공할 수 있다고 사료된다.

Abstract

The purpose of this study was to examine the effects of suggested etching method on the performance of pits and fissures sealant. In the first part, seventy extracted sound human permanent third molars and premolars were used. The teeth were randomly divided and performed in three different groups as follows: conventional etching, enameloplasty, and testing group. Non-pumicing, dye-guidance vigorous brushing-start etching technique was applied on the occlusal of testing group. Then the pit and fissure sealant was applied on all of the specimens. After the thermocycling and immersing in 1% methylene blue, the resin embedded sections were made. The microleakage data on the section were then recorded under the stereoscope and statistic analysis was done. Additional experiments were also performed: direct fissure surface etched pattern experiment, replica study, and micro-shear bond strength testing observation. The second part included two groups. A paired study was designed to evaluate the influence the environment has on the performance of the sealant. After etching, half of each occlusal surface received one of the two following treatments in succession: sealing in laboratory and intraoral condition (group 1), sealing in intraoral condition with and without a single-bonding agent (group 2). The results of present study can be summarized as follows: - The microleakage of testing group was significant different with conventional method (P<.05) and was not different with the enameloplasty group (P>.05). - The quality and quantity of etched enamel were improved. - Microshear bond strength of testing group was higher than control group (P<.05). - The environmental condition was influenced on the performance of the sealant. The testing etching method modified the capacity of the etching agent to penetrate into the pits and fissures, and simultaneous enhance their efficiency in vitro condition.

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