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근관세정 방법에 따른 수산화칼슘 제재의 제거 효율 비교

A COMPARISON OF THE IRRIGATION SYSTEMS IN CALCIUM HYDROXIDE REMOVAL

김진우|박세희|조경모|은재승
대한치과보존학회 (Korean Academy Of Conservative Dentistry)|2009.11|Restorative Dentistry and Endodontics|제34권 제6호|pp. 508-514

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참고문헌

키워드

IrrigationCalcium hydroxide수산화칼슘Patency근관 세정EndoActivatorEndoVac치근단 1/3치근단공 개방 확인Apical third
주제분류치의학

초록

이 실험의 목적은 근관 내에 충전된 수산화칼슘의 제거 시 치근단 1/3에서 기존의 근관세정법과 EndoActivator®, EndoVac® system의 세정 효율을 비교하고, 근관 세정 중 치근단공 개방 확인의 영향에 대해 평가하고자 함이다. 60개의 단근치를 사용하였고 ISO #35까지 근관성형 후 수산화칼슘을 충전하였다. 근관 세정법과 치근단공 개방 확인 유무에 따라 6개 실험군으로 나누어 세정하였다. 실험 치아를 양분하여 치근단 3 mm에서 근관 면적에 대한 잔존 수산화칼슘 면적의 백분율을 측정하였다. 실험결과 EndoActivator®, EndoVac® 군이 기존의 근관 세정법 군에 비해 유의하게 높은 제거효율을 나타냈으며 (p < 0.05), 치근단공 개방 확인 유무에 따른 유의한 차이는 나타나지 않았다. 이 실험 결과에 따르면 기존의 근관 세정법으로 효과적인 세정이 불가능했던 근관의 치근단 1/3 부위에서EndoActivator®, EndoVac® system과 같은 근관 세정법이 효과적인 대안이 될 수 있다는 결론을 얻었다.

Abstract

The purposes of this study were to compare the efficacy of irrigation systems by removing a calcium hydroxide (Ca(OH)2) paste from the apical third of the root canal and the effect of the patency file. Sixty single rooted human teeth were used in this study. The canals were instrumented by a crown-down manner with .04 taper ProFile to ISO #35. Ca(OH)2 and distilled water were mixed and placed inside the root canals. The teeth were divided into 6 groups according to the root canal irrigation system and the use of patency file as follows: group 1 - conventional method; group 2 - EndoActivator®; group 3 - EndoVac®; group 4 - conventional method, patency; group 4 - EndoActivator®, patency; group 6 - EndoVac®, patency. All teeth were irrigated with sodium hypochlorite. After the root canal irrigation, the teeth were split in bucco-lingual aspect. Percentage of the root canal surface coverage with residual Ca(OH)2 until 3 mm from working length was analyzed using Image Pro Plus ver. 4.0. Statistical analysis was performed using the One-way ANOVA, t-test and Scheffe's post-hoc test. Conventional groups had significantly more Ca(OH)2 debris than EndoActivator®, EndoVac® groups. There was no significant difference between EndoActivator® and EndoVac® groups. Groups with patency file showed more effective in removing Ca(OH)2 paste than no patency groups, but, it was no significant difference. This study showed that EndoActivator® and EndoVac® systems were more effective in removing Ca(OH)2 paste from the apical third of the root canal than conventional method.

참고문헌 (39)

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