지원사업
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
- 2019.1
- 수록면
- 1 - 12 (12page)
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초록· 키워드
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Objectives: The aim of this in vitro study was to test the effect of 2 finishing–polishing sequences (QB, combining a 12/15-fluted finishing bur and an EVO-Light polisher; QWB, adding a 30-fluted polishing bur after the 12/15-fluted finishing bur used in the QB sequence) on 5 nanotech-based resin composites (Filtek Z500, Ceram X Mono, Ceram X Duo, Tetric Evoceram, and Tetric Evoceram Bulk Fill) by comparing their final surface roughness and hardness values to those of a Mylar strip control group (MS). Materials and Methods: Twelve specimens of each nanocomposite were prepared in Teflon moulds. The surface of each resin composite was finished with QB (5 samples), QWB (5 samples), or MS (2 samples), and then evaluated (60 samples). Roughness was analysed with an optical profilometer, microhardness was tested with a Vickers indenter, and the surfaces were examined by optical and scanning electron microscopy. Data were analysed using the Kruskal-Wallis test ( p < 0.05) followed by the Dunn test. Results: For the hardness and roughness of nanocomposite resin, the QWB sequence was significantly more effective than QB ( p < 0.05). The Filtek Z500 showed significantly harder surfaces regardless of the finishing–polishing sequence ( p < 0.05). Conclusions: QWB yielded the best values of surface roughness and hardness. The hardness and roughness of the 5 nanocomposites presented less significant differences when QWB was used.
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참고문헌 (26)
참고문헌 신청
Bollen CM / 1997 / Comparison of surface roughness of oral hard materials to the threshold surface roughness for bacterial plaque retention : a review of the literature / Dent Mater 13:258~269
Endo T / 2010 / Surface texture and roughness of polished nanofill and nanohybrid resin composites / Dent Mater J 29:213~223
Leize-Zal E / 2002 / Polissage et finition. Techniques pour tous les matériaux d'obturation et de prothèse. Encyclopedie médico-chirurgicale. Odontologie [23-360-J-1] / Elsevier SAS
Weitman RT / 1975 / Plaque accumulation on composite surfaces after various finishing procedures / Oral Health 65:29~33
Yap AU / 2004 / Wear behavior of new composite restoratives / Oper Dent 29:269~274
Endo T / 2010 / Surface texture and roughness of polished nanofill and nanohybrid resin composites / Dent Mater J 29:213~223
Leize-Zal E / 2002 / Polissage et finition. Techniques pour tous les matériaux d'obturation et de prothèse. Encyclopedie médico-chirurgicale. Odontologie [23-360-J-1] / Elsevier SAS
Weitman RT / 1975 / Plaque accumulation on composite surfaces after various finishing procedures / Oral Health 65:29~33
Yap AU / 2004 / Wear behavior of new composite restoratives / Oper Dent 29:269~274
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