Step by Step Analysis of Root Canal Instrumentation with ProTaper

Step by Step Analysis of Root Canal Instrumentation with ProTaper

The purpose of this study was to investigate influence of each file step of $ProTaper^{(R)}$ system on canal transportation. Twenty simulated canals were prepared with either engine-driven $ProTaper^{(R)}$ or manual $ProTaper^{(R)}$, Group R-resin blocks were instrumented with rotary $ProTaper^{(R)}...

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Veröffentlicht in:大韓齒科保存學會誌 2006, Vol.31 (1), p.50-57
Hauptverfasser: 김미희, 허복, 김현철, 박정길, Kim, Mi-Hee, Huh, Bock, Kim, Hyeon-Cheol, Park, Jeong-Kil
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creator 김미희
허복
김현철
박정길
Kim, Mi-Hee
Huh, Bock
Kim, Hyeon-Cheol
Park, Jeong-Kil
description The purpose of this study was to investigate influence of each file step of $ProTaper^{(R)}$ system on canal transportation. Twenty simulated canals were prepared with either engine-driven $ProTaper^{(R)}$ or manual $ProTaper^{(R)}$, Group R-resin blocks were instrumented with rotary $ProTaper^{(R)}$ and group M-resin blocks were instrumented with manual $ProTaper^{(R)}$. Pre-operative resin blocks and post-operative resin blocks after each file step preparation were scanned. Original canal image and the image after using each file step were superimposed for calculation of centering ratio The image after using each file step alld image after using previous file step were superimposed for calculation of the amount of deviation. Measurements were taken horizontally at five different levels (1 2, 3, 4 and 5 mm) from the level of apical foramen. In rotary $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels were not significantly different (p>0.05). In manual $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels except of 1 mm were not significantly different (p>0.05). At the level of 1 mn, F2 file step had significantly large centering ratio and the amount of deviation (p
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Twenty simulated canals were prepared with either engine-driven $ProTaper^{(R)}$ or manual $ProTaper^{(R)}$, Group R-resin blocks were instrumented with rotary $ProTaper^{(R)}$ and group M-resin blocks were instrumented with manual $ProTaper^{(R)}$. Pre-operative resin blocks and post-operative resin blocks after each file step preparation were scanned. Original canal image and the image after using each file step were superimposed for calculation of centering ratio The image after using each file step alld image after using previous file step were superimposed for calculation of the amount of deviation. Measurements were taken horizontally at five different levels (1 2, 3, 4 and 5 mm) from the level of apical foramen. In rotary $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels were not significantly different (p&gt;0.05). In manual $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels except of 1 mm were not significantly different (p&gt;0.05). At the level of 1 mn, F2 file step had significantly large centering ratio and the amount of deviation (p&lt;0.05). Under the condition of this study, F2 file step of manual ProTaper tended to transport the apical part of the canals than that of rotary $ProTaper^{(R)}$. 이 연구의 목적은 $ProTaper^{(R)}$ system을 사용하였을 때, 각 단계별로 근관 형성 결과를 분석 하는 것이다. 20개의 레진 블락을 근관 성형 방법에 따라, 엔진 구동형 $ProTaper^{(R)}$로 전체 근관을 성형한 군을 R군, 수동형 $ProTaper^{(R)}$로 전체 근관을 성형한 군을 M군으로 하였다. 근관의 술 전, 술 후 이미지를 각 파일 단계별로 스캔한 후, 중심이동률 산출을 위해 원래의 근관 이미지와 각 단계의 파일 사용후의 이미지를 각각 중첩하였고, 근관의 변위량 산출을 위해 각 단계의 파일 사용후의 이미지와 직전 파일 사용후의 이미지를 중첩하였다. 근단공으로부터의 수직거리 1 2, 3, 4그리고 5mm위치에서 중심이동률과 근관의 변위량을 측정하였다. 실험 결과 R군의 모든지점에서 각 단계별 중심이동률과 근관 변위량은 각각 유의한 차이가 없었다 (p&lt;0.05). M군에서 1 mm를 제외한 모든 지점에서 각 단계별 중심 이동률과 근관 변위 량은 각각 유의한 차이가 없었다 (p&lt;0.05). 그러나 M군의 1mm 지점에서 F2 file step은 통계학적으로 큰 중심 이동률과 근관 변위량을 보였다 (p&lt;0.05). 본 연구의 결과에서 엔진 구동형 $ProTaper^{(R)}$ 사용 시에는 각 파일 단계별 근관 변위 정도에 유의한 차이가 없었으나, 수동형 ProTaper로 근관 성형을 하였을 때 , F2 file step에서 특히 근관 변위가 크게 나타났다.</description><identifier>ISSN: 1225-0864</identifier><language>kor</language><ispartof>大韓齒科保存學會誌, 2006, Vol.31 (1), p.50-57</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,4010</link.rule.ids></links><search><creatorcontrib>김미희</creatorcontrib><creatorcontrib>허복</creatorcontrib><creatorcontrib>김현철</creatorcontrib><creatorcontrib>박정길</creatorcontrib><creatorcontrib>Kim, Mi-Hee</creatorcontrib><creatorcontrib>Huh, Bock</creatorcontrib><creatorcontrib>Kim, Hyeon-Cheol</creatorcontrib><creatorcontrib>Park, Jeong-Kil</creatorcontrib><title>Step by Step Analysis of Root Canal Instrumentation with ProTaper</title><title>大韓齒科保存學會誌</title><addtitle>Journal of Korean Academy of Operative Dentistry</addtitle><description>The purpose of this study was to investigate influence of each file step of $ProTaper^{(R)}$ system on canal transportation. Twenty simulated canals were prepared with either engine-driven $ProTaper^{(R)}$ or manual $ProTaper^{(R)}$, Group R-resin blocks were instrumented with rotary $ProTaper^{(R)}$ and group M-resin blocks were instrumented with manual $ProTaper^{(R)}$. Pre-operative resin blocks and post-operative resin blocks after each file step preparation were scanned. Original canal image and the image after using each file step were superimposed for calculation of centering ratio The image after using each file step alld image after using previous file step were superimposed for calculation of the amount of deviation. Measurements were taken horizontally at five different levels (1 2, 3, 4 and 5 mm) from the level of apical foramen. In rotary $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels were not significantly different (p&gt;0.05). In manual $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels except of 1 mm were not significantly different (p&gt;0.05). At the level of 1 mn, F2 file step had significantly large centering ratio and the amount of deviation (p&lt;0.05). Under the condition of this study, F2 file step of manual ProTaper tended to transport the apical part of the canals than that of rotary $ProTaper^{(R)}$. 이 연구의 목적은 $ProTaper^{(R)}$ system을 사용하였을 때, 각 단계별로 근관 형성 결과를 분석 하는 것이다. 20개의 레진 블락을 근관 성형 방법에 따라, 엔진 구동형 $ProTaper^{(R)}$로 전체 근관을 성형한 군을 R군, 수동형 $ProTaper^{(R)}$로 전체 근관을 성형한 군을 M군으로 하였다. 근관의 술 전, 술 후 이미지를 각 파일 단계별로 스캔한 후, 중심이동률 산출을 위해 원래의 근관 이미지와 각 단계의 파일 사용후의 이미지를 각각 중첩하였고, 근관의 변위량 산출을 위해 각 단계의 파일 사용후의 이미지와 직전 파일 사용후의 이미지를 중첩하였다. 근단공으로부터의 수직거리 1 2, 3, 4그리고 5mm위치에서 중심이동률과 근관의 변위량을 측정하였다. 실험 결과 R군의 모든지점에서 각 단계별 중심이동률과 근관 변위량은 각각 유의한 차이가 없었다 (p&lt;0.05). M군에서 1 mm를 제외한 모든 지점에서 각 단계별 중심 이동률과 근관 변위 량은 각각 유의한 차이가 없었다 (p&lt;0.05). 그러나 M군의 1mm 지점에서 F2 file step은 통계학적으로 큰 중심 이동률과 근관 변위량을 보였다 (p&lt;0.05). 본 연구의 결과에서 엔진 구동형 $ProTaper^{(R)}$ 사용 시에는 각 파일 단계별 근관 변위 정도에 유의한 차이가 없었으나, 수동형 ProTaper로 근관 성형을 하였을 때 , F2 file step에서 특히 근관 변위가 크게 나타났다.</description><issn>1225-0864</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>JDI</sourceid><recordid>eNotzMtKAzEUgOEsFCy175CNy4GTe7IcBi_VQovOvuTMJBg6TsokIn17RV198C_-K7JinKsGrJY3ZFNKQgArwEgnVqR9q-FM8UJ_bWc_XUoqNEf6mnOlnf8pdDuXunx-hLn6mvJMv1J9p4cl9_4clltyHf1UwubfNekf7vvuqdntH7ddu2tOiuvGGGUdGq3CaOIYAcErJ1FHaYVlI7McNUOFztvBGzFwFiMACm9AWoyDWJO7v-0plZqO81im43P7sucAmnEruXJOai6-AQ-yQ_w</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>김미희</creator><creator>허복</creator><creator>김현철</creator><creator>박정길</creator><creator>Kim, Mi-Hee</creator><creator>Huh, Bock</creator><creator>Kim, Hyeon-Cheol</creator><creator>Park, Jeong-Kil</creator><scope>JDI</scope></search><sort><creationdate>2006</creationdate><title>Step by Step Analysis of Root Canal Instrumentation with ProTaper</title><author>김미희 ; 허복 ; 김현철 ; 박정길 ; Kim, Mi-Hee ; Huh, Bock ; Kim, Hyeon-Cheol ; Park, Jeong-Kil</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-k526-77589b765ed7fdf0b0a594b6f48381d182b61b5b9a8ca73c21ff00b3a7048bfc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>kor</language><creationdate>2006</creationdate><toplevel>online_resources</toplevel><creatorcontrib>김미희</creatorcontrib><creatorcontrib>허복</creatorcontrib><creatorcontrib>김현철</creatorcontrib><creatorcontrib>박정길</creatorcontrib><creatorcontrib>Kim, Mi-Hee</creatorcontrib><creatorcontrib>Huh, Bock</creatorcontrib><creatorcontrib>Kim, Hyeon-Cheol</creatorcontrib><creatorcontrib>Park, Jeong-Kil</creatorcontrib><collection>KoreaScience</collection><jtitle>大韓齒科保存學會誌</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>김미희</au><au>허복</au><au>김현철</au><au>박정길</au><au>Kim, Mi-Hee</au><au>Huh, Bock</au><au>Kim, Hyeon-Cheol</au><au>Park, Jeong-Kil</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Step by Step Analysis of Root Canal Instrumentation with ProTaper</atitle><jtitle>大韓齒科保存學會誌</jtitle><addtitle>Journal of Korean Academy of Operative Dentistry</addtitle><date>2006</date><risdate>2006</risdate><volume>31</volume><issue>1</issue><spage>50</spage><epage>57</epage><pages>50-57</pages><issn>1225-0864</issn><abstract>The purpose of this study was to investigate influence of each file step of $ProTaper^{(R)}$ system on canal transportation. Twenty simulated canals were prepared with either engine-driven $ProTaper^{(R)}$ or manual $ProTaper^{(R)}$, Group R-resin blocks were instrumented with rotary $ProTaper^{(R)}$ and group M-resin blocks were instrumented with manual $ProTaper^{(R)}$. Pre-operative resin blocks and post-operative resin blocks after each file step preparation were scanned. Original canal image and the image after using each file step were superimposed for calculation of centering ratio The image after using each file step alld image after using previous file step were superimposed for calculation of the amount of deviation. Measurements were taken horizontally at five different levels (1 2, 3, 4 and 5 mm) from the level of apical foramen. In rotary $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels were not significantly different (p&gt;0.05). In manual $ProTaper^{(R)}$ instrumentation group, centering ratio and the amount of deviation of each step at all levels except of 1 mm were not significantly different (p&gt;0.05). At the level of 1 mn, F2 file step had significantly large centering ratio and the amount of deviation (p&lt;0.05). Under the condition of this study, F2 file step of manual ProTaper tended to transport the apical part of the canals than that of rotary $ProTaper^{(R)}$. 이 연구의 목적은 $ProTaper^{(R)}$ system을 사용하였을 때, 각 단계별로 근관 형성 결과를 분석 하는 것이다. 20개의 레진 블락을 근관 성형 방법에 따라, 엔진 구동형 $ProTaper^{(R)}$로 전체 근관을 성형한 군을 R군, 수동형 $ProTaper^{(R)}$로 전체 근관을 성형한 군을 M군으로 하였다. 근관의 술 전, 술 후 이미지를 각 파일 단계별로 스캔한 후, 중심이동률 산출을 위해 원래의 근관 이미지와 각 단계의 파일 사용후의 이미지를 각각 중첩하였고, 근관의 변위량 산출을 위해 각 단계의 파일 사용후의 이미지와 직전 파일 사용후의 이미지를 중첩하였다. 근단공으로부터의 수직거리 1 2, 3, 4그리고 5mm위치에서 중심이동률과 근관의 변위량을 측정하였다. 실험 결과 R군의 모든지점에서 각 단계별 중심이동률과 근관 변위량은 각각 유의한 차이가 없었다 (p&lt;0.05). M군에서 1 mm를 제외한 모든 지점에서 각 단계별 중심 이동률과 근관 변위 량은 각각 유의한 차이가 없었다 (p&lt;0.05). 그러나 M군의 1mm 지점에서 F2 file step은 통계학적으로 큰 중심 이동률과 근관 변위량을 보였다 (p&lt;0.05). 본 연구의 결과에서 엔진 구동형 $ProTaper^{(R)}$ 사용 시에는 각 파일 단계별 근관 변위 정도에 유의한 차이가 없었으나, 수동형 ProTaper로 근관 성형을 하였을 때 , F2 file step에서 특히 근관 변위가 크게 나타났다.</abstract><tpages>8</tpages><oa>free_for_read</oa></addata></record>
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title Step by Step Analysis of Root Canal Instrumentation with ProTaper
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