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
- 2020.4
- 수록면
- 276 - 283 (8page)
이용수
초록· 키워드
오류제보하기
Objectives: The aim of this study was to evaluate the efficacy of CK files as an ultrasonic instrument, and to determine most efficient file size for smear layer removal.
Materials and Methods: Thirty-six extracted human mandibular premolars with single, straight root canals and mature apices were mechanically prepared and randomly divided into three groups. Group 1 (Control) underwent conventional needle irrigation, Group 2 (CKS) underwent passive ultrasonic irrigation with a #20 CK file, and Group 3 (CKL) underwent passive ultrasonic irrigation with a #30 CK file. After preparation and irrigation, all teeth were dried and split with a chisel to obtain the mesial and distal half of their roots. Each sample was evaluated using a scanning electron microscope, and data were analyzed using the Kruskal-Wallis and Mann-Whitney rank sum tests (p＜0.05).
Results: The CKS group showed less debris in the apical third than the other groups (p＜0.05). In this section, no significant difference was observed among the other groups. And, there was no significant difference among any groups for the middle third section.
Conclusion: This study showed that PUI with #20 CK file removed more smear layer compared to using #30 CK file at the apical third of the root canal.
Materials and Methods: Thirty-six extracted human mandibular premolars with single, straight root canals and mature apices were mechanically prepared and randomly divided into three groups. Group 1 (Control) underwent conventional needle irrigation, Group 2 (CKS) underwent passive ultrasonic irrigation with a #20 CK file, and Group 3 (CKL) underwent passive ultrasonic irrigation with a #30 CK file. After preparation and irrigation, all teeth were dried and split with a chisel to obtain the mesial and distal half of their roots. Each sample was evaluated using a scanning electron microscope, and data were analyzed using the Kruskal-Wallis and Mann-Whitney rank sum tests (p＜0.05).
Results: The CKS group showed less debris in the apical third than the other groups (p＜0.05). In this section, no significant difference was observed among the other groups. And, there was no significant difference among any groups for the middle third section.
Conclusion: This study showed that PUI with #20 CK file removed more smear layer compared to using #30 CK file at the apical third of the root canal.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. Materials and Methods
Ⅲ. Results
Ⅳ. Discussion
Ⅵ. Conclusion
References
참고문헌 (31)
참고문헌 신청
Waltimo T / 2005 / Clinical efficacy of treatment procedures in endodontic infection control and one year follow-up of periapical healing / J Endod 31(12):863~866
Caron G / 2010 / Effectiveness of different final irrigant activation protocols on smear layer removal in curved canals / J Endod 36(8):1361~1366
Guppy DR / 2000 / Dentine chips produced by nickel-titanium rotary instruments / Endod Dent Traumatol 16(6):258~264
Jeon IS / 2003 / Smear layer production by 3 rotary reamers with different cutting blade designs in straight root canals : a scanning electron microscopic study / Oral Surg Oral Med Oral Pathol Oral Radiol Endod 96(5):601~607
Schafer E / 2000 / A comparative scanning electron microscopic investigation of the efficacy of manual and automated instrumentation of root canals / J Endod 26(11):660~664
Caron G / 2010 / Effectiveness of different final irrigant activation protocols on smear layer removal in curved canals / J Endod 36(8):1361~1366
Guppy DR / 2000 / Dentine chips produced by nickel-titanium rotary instruments / Endod Dent Traumatol 16(6):258~264
Jeon IS / 2003 / Smear layer production by 3 rotary reamers with different cutting blade designs in straight root canals : a scanning electron microscopic study / Oral Surg Oral Med Oral Pathol Oral Radiol Endod 96(5):601~607
Schafer E / 2000 / A comparative scanning electron microscopic investigation of the efficacy of manual and automated instrumentation of root canals / J Endod 26(11):660~664
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UCI(KEPA) : I410-ECN-0101-2020-515-000677801