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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
- 2018.1
- 수록면
- 58 - 67 (10page)
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Objectives This study aimed to introduce the use of laser-induced breakdown spectroscopy (LIBS) for evaluation of the mineral content of root canal dentin, and to assess whether a correlation exists between LIBS and scanning electron microscopy/energy dispersive spectroscopy (SEM/EDS) methods by comparing the effects of irrigation solutions on the mineral content change of root canal dentin. Materials and Methods Forty teeth with a single root canal were decoronated and longitudinally sectioned to expose the canals. The root halves were divided into 4 groups (n = 10) according to the solution applied: group NaOCl, 5.25% sodium hypochlorite (NaOCl) for 1 hour; group EDTA, 17% ethylenediaminetetraacetic acid (EDTA) for 2 minutes; group NaOCl+EDTA, 5.25% NaOCl for 1 hour and 17% EDTA for 2 minutes; a control group. Each root half belonging to the same root was evaluated for mineral content with either LIBS or SEM/EDS methods. The data were analyzed statistically. Results In groups NaOCl and NaOCl+EDTA, the calcium (Ca)/phosphorus (P) ratio decreased while the sodium (Na) level increased compared with the other groups (p < 0.05). The magnesium (Mg) level changes were not significant among the groups. A significant positive correlation was found between the results of LIBS and SEM/EDS analyses (r = 0.84, p < 0.001). Conclusions Treatment with NaOCl for 1 hour altered the mineral content of dentin, while EDTA application for 2 minutes had no effect on the elemental composition. The LIBS method proved to be reliable while providing data for the elemental composition of root canal dentin.
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참고문헌 (35)
참고문헌 신청
Orstavik D / 1990 / Disinfection by endodontic irrigants and dressings of experimentally infected dentinal tubules / Endod Dent Traumatol 6:142~149
Sen BH / 1995 / The smear layer: a phenomenon in root canal therapy / Int Endod J 28:141~148
Dogan H / 2001 / Efects of chelating agents and sodium hypochlorite on mineral content of root dentin / J Endod 27:578~580
Ari H / 2005 / Efects of endodontic irrigation solutions on mineral content of root canal dentin using ICP-AES technique / J Endod 31:187~189
Cohen M / 1992 / Calcium and phosphorus content of roots exposed to the oral environment / J Clin Periodontol 19:268~273
Sen BH / 1995 / The smear layer: a phenomenon in root canal therapy / Int Endod J 28:141~148
Dogan H / 2001 / Efects of chelating agents and sodium hypochlorite on mineral content of root dentin / J Endod 27:578~580
Ari H / 2005 / Efects of endodontic irrigation solutions on mineral content of root canal dentin using ICP-AES technique / J Endod 31:187~189
Cohen M / 1992 / Calcium and phosphorus content of roots exposed to the oral environment / J Clin Periodontol 19:268~273
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