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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 196 - 201 (6page)
이용수
초록· 키워드
오류제보하기
Objectives The aim of this in vitro study was to evaluate the effect of incorporating three different nanobiomaterials into bleaching material on microhardness of bleached enamel.
Materials and Methods The crowns of 24 extracted sound human molars were sectioned. Sixty enamel specimens (2 × 3 × 4 mm) were selected and divided into five groups (n = 12): Group 1 received no bleaching procedure (control); Group 2 underwent bleaching with a 40% hydrogen peroxide (HP) gel; Groups 3, 4, and 5 were bleached with a 40% HP gel modified by incorporation of bioactive glass (BAG), amorphous calcium phosphate (ACP) and hydroxyapatite (HA), respectively. The enamel microhardness was evaluated. The differences in Knoop microhardness data of each group were analyzed by one-way ANOVA, followed by post hoc Tukey tests.
Results Significant differences were observed between the study groups. The enamel microhardness changes in Groups 1, 3, 4, and 5 were significantly lower than that of Group 2 (p < 0.001).
Conclusions Within the limitations of this study, it can be concluded that incorporation of each one of the three tested biomaterials as remineralizing agents might be effective in decreasing enamel microhardness changes subsequent to in-office bleaching.
목차
등록된 정보가 없습니다.
참고문헌 (45)
참고문헌 신청
Kihn PW. / 2007 / Vital tooth whitening / Dent Clin North Am 51:319~331
Borges AB / 2010 / Influence of remineralizing gels on bleached enamel microhardness in different time intervals / Oper Dent 35:180~186
Justino LM / 2004 / In situ and in vitro effects of bleaching with carbamide peroxide on human enamel / Oper Dent 29:219~225
Sulieman M / 2004 / A safety study in vitro for the effects of an in-office bleaching system on the integrity of enamel and dentine / J Dent 32:581~590
Maia E / 2008 / The influence of two home-applied bleaching agents on enamel microhardness: an in situ study / J Dent 36:2~7
Borges AB / 2010 / Influence of remineralizing gels on bleached enamel microhardness in different time intervals / Oper Dent 35:180~186
Justino LM / 2004 / In situ and in vitro effects of bleaching with carbamide peroxide on human enamel / Oper Dent 29:219~225
Sulieman M / 2004 / A safety study in vitro for the effects of an in-office bleaching system on the integrity of enamel and dentine / J Dent 32:581~590
Maia E / 2008 / The influence of two home-applied bleaching agents on enamel microhardness: an in situ study / J Dent 36:2~7
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