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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020
- 수록면
- 1 - 9 (9page)
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Objectives: It is known that bioactive materials interact with the dentin to undergo biomineralization. The exact role of moisture in this interaction is unknown. Here, we investigate the effects of dentin moisture conditions on the dislocation resistance of two bioactive root canal sealers (MTA Fillapex [Angelus Solucoes Odontologicas] and GuttaFlow BioSeal [Colténe/Whaledent AG]) at 3 weeks and 3 months after obturation. Materials and Methods: Mandibular premolars (n = 120) were prepared and randomly divided into 3 groups based on the dentin condition: group 1, dry dentin; group 2, moist dentin; group 3, wet dentin. Each group was divided into 2 subgroups for root canal filling: MTA Fillapex and GuttaFlow BioSeal. Dislocation resistance was evaluated by measuring the push-out bond strength at 3 weeks and 3 months. Failure modes were examined under a stereomicroscope. Data were statistically analyzed by Kruskal-Wallis test with a significance level of 5%. Results: Moist dentin resulted in higher bond strength values for both materials at both time points. This was significantly higher than wet and dry dentin for both the sealers at the 3 months (p < 0.05), while at 3 weeks it was significant only for GuttaFlow Bioseal. The different moisture conditions demonstrated similar trends in their effects on the dislocation resistance of the 2 root canal sealers. Conclusions: The dentin moisture conditions had a significant impact on its interaction with the bioactive materials tested. Maintaining moist dentin, but not dry or wet dentin, may be advantageous before the filling root canals with bioactive sealers.
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참고문헌 (20)
참고문헌 신청
Ng YL / 2007 / Outcome of primary root canal treatment: systematic review of the literature - part 1. Effects of study characteristics on probability of success / Int Endod J 40:921~939
Hülsmann M / 2005 / Mechanical preparation of root canals: shaping goals, techniques and means / Endod Topics 10:30~76
Nagas E / 2012 / Dentin moisture conditions affect the adhesion of root canal sealers / J Endod 38:240~244
Parirokh M / 2010 / Mineral trioxide aggregate: a comprehensive literature review--Part I: chemical, physical, and antibacterial properties / J Endod 36:16~27
Mandal P / 2014 / In vitro cytotoxicity of GuttaFlow 2 on human gingival fibroblasts / J Endod 40:1156~1159
Hülsmann M / 2005 / Mechanical preparation of root canals: shaping goals, techniques and means / Endod Topics 10:30~76
Nagas E / 2012 / Dentin moisture conditions affect the adhesion of root canal sealers / J Endod 38:240~244
Parirokh M / 2010 / Mineral trioxide aggregate: a comprehensive literature review--Part I: chemical, physical, and antibacterial properties / J Endod 36:16~27
Mandal P / 2014 / In vitro cytotoxicity of GuttaFlow 2 on human gingival fibroblasts / J Endod 40:1156~1159
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