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
- 2015.1
- 수록면
- 123 - 127 (5page)
이용수
초록· 키워드
오류제보하기
Objectives Glide path preparation is recommended to reduce torsional failure of nickel-titanium (NiTi) rotary instruments and to prevent root canal transportation. This study evaluated whether the repetitive insertions of G-files to the working length maintain the apical size as well as provide sufficient lumen as a glide path for subsequent instrumentation.
Materials and Methods The G-file system (Micro-Mega) composed of G1 and G2 files for glide path preparation was used with the J-shaped, simulated resin canals. After inserting a G1 file twice, a G2 file was inserted to the working length 1, 4, 7, or 10 times for four each experimental group, respectively (n = 10). Then the canals were cleaned by copious irrigation, and lubricated with a separating gel medium. Canal replicas were made using silicone impression material, and the diameter of the replicas was measured at working length (D0) and 1 mm level (D1) under a scanning electron microscope. Data was analysed by one-way ANOVA and post-hoc tests (p = 0.05).
Results The diameter at D0 level did not show any significant difference between the 1, 2, 4, and 10 times of repetitive pecking insertions of G2 files at working length. However, 10 times of pecking motion with G2 file resulted in significantly larger canal diameter at D1 (p < 0.05).
Conclusions Under the limitations of this study, the repetitive insertion of a G2 file up to 10 times at working length created an adequate lumen for subsequent apical shaping with other rotary files bigger than International Organization for Standardization (ISO) size 20, without apical transportation at D0 level.
목차
등록된 정보가 없습니다.
참고문헌 (21)
참고문헌 신청
Alapati SB / 2005 / SEM observations of nickel-titanium rotary endodontic instruments that fractured during clinical Use / J Endod 31 : 40 ~ 43
Arens FC / 2003 / Evaluation of single-use rotary nickel titanium instruments / J Endod 29 : 664 ~ 666
Bahcall JK / 2005 / The causes, prevention, and clinical management of broken endodontic rotary files / Dent Today 24 : 74 ~ 80
Berutti E / 2004 / Influence of manual preflaring and torque on the failure rate of ProTaper rotary instruments / J Endod 30 : 228 ~ 230
Berutti E / 2009 / Use of nickel-titanium rotary PathFile to create the glide path: comparison with manual preflaring in simulated root canals / J Endod 35 : 408 ~ 412
Arens FC / 2003 / Evaluation of single-use rotary nickel titanium instruments / J Endod 29 : 664 ~ 666
Bahcall JK / 2005 / The causes, prevention, and clinical management of broken endodontic rotary files / Dent Today 24 : 74 ~ 80
Berutti E / 2004 / Influence of manual preflaring and torque on the failure rate of ProTaper rotary instruments / J Endod 30 : 228 ~ 230
Berutti E / 2009 / Use of nickel-titanium rotary PathFile to create the glide path: comparison with manual preflaring in simulated root canals / J Endod 35 : 408 ~ 412
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