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만곡근관에서 근관형성방법에 따른 근관작업장의 변화

Change of working length in curved canals by various instrumentation techniques

김성교|진명욱|김영경|조정임
대한치과보존학회 (Korean Academy Of Conservative Dentistry)|2006.01|Restorative Dentistry and Endodontics|제31권 제1호|pp. 30-35

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참고문헌

키워드

ProFilecanal curvaturecurved canal만곡근관근관작업장수동기구전동기구근관만곡working lengthhand instrumentationrotary instrumentation
주제분류치의학

초록

만곡근관에서 근관형성방법에 따른 근관작업장의 변화

Abstract

To evaluate the change of working length with various instrumentation techniques in curved canals, working length and canal curvature were determined before and after canal instrumentation in buccal or mesial canals of extracted human molars. Stainless steel K-files (MANI, Matsutani Seisakusho Co. Takanezawa, Japan), nickel-titanium K-files (Naviflex NTTM, Brassler, Savannah, USA), ProFile, and ProTaperTM (Dentsply-Maillefer, Ballaigues, Switzerland) were used to prepare the canals with crown-down technique. In two hand instrumentation groups, coronal flaring was made with Gates Glidden burs. Apical canals were instrumented until apical diameter had attained a size of 30. Positional relation between the tooth apex and the #10 K-file tip was examined by using AutoCAD 2000 (Autodesk Corp., San Rafael. CA, USA) under a stereomicroscope before and after coronal flaring, and after apical instrumentation. Degree of canal curvature was also measured with Schneider's method in radiographs. Data of working length and canal curvature changes were statistically analyzed with one-way ANOVA and Tukey's studentized range test. Working length and canal curvature were decreased significantly in each step in all instrumentation groups. Coronal flaring using Gates Glidden burs in hand instrument groups and whole canal instrumentation using stainless steel hand K-files caused significantly more working length change than in ProFile instrumentation group (p<0.05). The result of this study demonstrates that all of the above kinds of instrumentation in curved canals cause reduction of working length and canal curvature at each instrumentation steps, and hand instrumentation causes more working length change than ProFile.

참고문헌 (25)

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관련 논문AI추천

만곡 근관에서 다양한 엔진 구동형 Nickel-Titanium 파일의 근관 성형능력에 대한 연구권수미, 김경아, 유미경, 이광원, 전성민대한턱관절교합학회 · 구강회복응용과학지2007 · 제23권 제4호근관 성형 전후의 네 가지 전자근관장측정기의 측정 정확성의 비교허복, 김현철, 박정길, 성상엽대한치과보존학회 · Restorative Dentistry and Endodontics2006 · 제31권 제5호Mtwo 전동 파일을 사용한 single length technique과 crown-down technique의 근관성형 효율 비교허복, 김현철, 박정길, 임유경대한치과보존학회 · Restorative Dentistry and Endodontics2007 · 제32권 제4호C-shaped canal의 절단면 분석을 통한 근관형태의 변화와 근관과 치아외벽간의 최소거리 분석에 관한 연구송병철, 조용범대한치과보존학회 · Restorative Dentistry and Endodontics2007 · 제32권 제1호만곡모형근관에서 초심자가 근관형성시 Ni-Ti 전동파일의 효용성김진우, 박세희, 조경모대한치과보존학회 · Restorative Dentistry and Endodontics2003 · 제28권 제2호다양한 전동 니켈 티타늄 파일과 혼합사용법에 의한 근관 성형 효육 비교허복, 김정원, 김현철, 박정길대한치과보존학회 · Restorative Dentistry and Endodontics2007 · 제32권 제6호

이 간행물의 다른 논문 (7건)

학생들이 사용한 엔진 구동형 Ni-Ti file systems의 근관 성형 효율 비교강문성, 김현철, 박정길, 허복pp. 1-10ProTaper를 사용한 다양한 hybrid instrumentation methods의 근관성형 효율 비교허복, 홍은숙, 박정길, 김현철pp. 11-19수복재료가 5급 복합레진 수복물의 응력분포에 미치는 영향에 관한 3차원유한요소법적 연구박정길, 김현철, 허복, 안형렬pp. 20-29신개발 인산칼슘계 근관 봉함재의 세포독성 및 유전독성에 관한 연구배광식, 백승호, 김희정pp. 36-49ProTaper를 이용한 근관 형성의 단계별 분석김미희, 박정길, 김현철, 허복pp. 50-57
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