The effect of sealing procedure using all-in-one adhesives on microleakage of pit and fissure sealant
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초록
본 연구는 all-in-one adhesive를 사용하여 전색하는 술식을 통상적인 탈회 술식 및 single-bottle 결합제를 이용하여 전색하는 술식과 비교하여 법랑질과 전색재 사이의 미세누출의 차이를 알아보고자 하는 것이다. 75개의 제3대구치를 5군으로 나누어 1군을 대조군으로 하여only Etching(1군), AdperTM Single BondTM(2군), AdperTM PromptTM L-Pop(3군), AQ-bond(4군), One-up bond F(5군)로 처리한 후 전색재 도포 후 열순환을 시행한 뒤 미세누출도를 검사하여 다음과 같은 결론을 얻었다. 1. All-in-one adhesive를 사용한 3, 4, 5군은 1군에 비해 유의성있게 높은 평균미세누출도를 보였다(p<0.05). 2.가장 낮은 평균미세누출도는 2군(0.14)에서 보였고 1군(1.05), 3군(1.65), 4군(2.85), 5군(3.05) 순으로 증가하였다. 3.All-in-one adhesive를 사용한 3, 4, 5군중에서 3군은 4, 5군에 비해 통계적으로 유의성있게 낮은 평균미세누출도를 보여주었지만(p<0.05) 1군과 2군에 비해 유의성있게 높은 평균값을 보여주었다(p<0.05). 4.4군과 5군 사이의 평균미세누출도는 통계적으로 유의성있는 차이를 보이지 않았다(p>0.05). 5.주사전자현미경관찰결과 all-in-one adhesive를 사용한 3, 4, 5군은 1, 2군에 비해 레진돌기가 짧고 불규칙하게 관찰되었다.
Abstract
The purpose of this study was to examine differences in microleakage of enamel-sealant interface when all-in-one adhesives were used compared with conventional acid etching and single-bottle adhesive system. Seventy-five extracted permanent third molars were randomly divided into 5 groups and treated with only Etching, AdperTM Single BondTM, AdperTM PromptTM L-Pop, AQ-bond and One-up Bond F each. After sealant application, the samples were thermocycled and the degree of microleakage was determined. The results were as follows : 1.Group 3, 4, 5 using the all-in-one adhesive system showed significantly higher microleakage score than Group 1(p<0.05). 2.The lowest mean microleakage score was Group 2(0.41) followed by Group 1(1.05), Group 3(1.65), Group 4(2.85) and Group 5(3.05). 3.Among Groups using all-in-one adhesives, Group 3 showed significantly lower mean microleakage score than the other groups(p<0.05) but showed significantly higher mean score than both Group 1 and Group 2(p<0.05). 4.There was no statistically significant difference(p>0.05) between Group 4 and Group 5. 5.In SEM examination, all the groups used all-in-one adhesive showed shorter resin tags than Group 1.
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