지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 1 - 5 (5page)
이용수
초록· 키워드
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Abstract
Objectives The purpose of this study was to assess the ability of ProTaper Gold (PTG, Dentsply Maillefer) in maintaining the original profile of root canal anatomy. For that, ProTaper Universal (PTU, Dentsply Maillefer) was used as reference techniques for comparison.
Materials and Methods Twenty simulated curved canals manufactured in clear resin blocks were randomly assigned to 2 groups (n = 10) according to the system used for canal instrumentation: PTU and PTG groups, upto F2 files (25/0.08). Color stereomicroscopic images from each block were taken exactly at the same position before and after instrumentation. All image processing and data analysis were performed with an open source program (FIJI). Evaluation of canal transportation was obtained for two independent canal regions: straight and curved levels. Student's t test was used with a cut-off for significance set at α = 5%.
Results Instrumentation systems significantly influenced canal transportation (p < 0.0001). A significant interaction between instrumentation system and root canal level (p < 0.0001) was found. PTU and PTG systems produced similar canal transportation at the straight part, while PTG system resulted in lower canal transportation than PTU system at the curved part. Canal transportation was higher at the curved canal portion (p < 0.0001).
Conclusions PTG system produced overall less canal transportation in the curved portion when compared to PTU system.
목차
등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
Bergmans L / 2001 / Mechanical root canal preparation with NiTi rotary instruments: rationale performance and safety. Status report for the American Journal of Dentistry / Am J Dent 14:324~333
Gergi R / 2010 / Comparison of canal transportation and centering ability of twisted files, Pathfile-ProTaper system, and stainless steel hand K-files by using computed tomography / J Endod 36:904~907
McGuigan MB / 2013 / Endodontic instrument fracture: causes and prevention / Br Dent J 214:341~348
De-Deus G / 2015 / Apically extruded dentin debris by reciprocating single-file and multi-file rotary system / Clin Oral Investig 19:357~361
Bergmans L / 2002 / Smooth flexible versus active tapered shaft design using NiTi rotary instruments / Int Endod J 35:820~828
Gergi R / 2010 / Comparison of canal transportation and centering ability of twisted files, Pathfile-ProTaper system, and stainless steel hand K-files by using computed tomography / J Endod 36:904~907
McGuigan MB / 2013 / Endodontic instrument fracture: causes and prevention / Br Dent J 214:341~348
De-Deus G / 2015 / Apically extruded dentin debris by reciprocating single-file and multi-file rotary system / Clin Oral Investig 19:357~361
Bergmans L / 2002 / Smooth flexible versus active tapered shaft design using NiTi rotary instruments / Int Endod J 35:820~828
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