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논문 기본 정보

자료유형
학술저널
저자정보
Melara Rafael (Department of Conservative Dentistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Braz) Mendonça Luciana (Department of Conservative Dentistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Braz) Coelho-de-Souza Fábio Herrmann (Department of Conservative Dentistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Braz) Rolla Juliana Nunes (Department of Conservative Dentistry Universidade Federal do Rio Grande do Sul Porto Alegre RS Braz) Gonçalves Luciano de Souza (Department of Restorative Dentistry Universidade Federal de Santa Maria Santa Maria RS Brazil.)
저널정보
대한치과보존학회 Restorative Dentistry and Endodontics Restorative Dentistry and Endodontics 제46권 제4호
발행연도
2021.11
수록면
1 - 8 (8page)
DOI
10.5395/rde.2021.46.e60

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Objectives: The aim of this study was to verify the match between 5 shades of composites from different manufacturers with a shade guide and among the systems using a portable spectrophotometer. Materials and Methods: Shade measurements were performed on specimens of Z350 XT (3M ESPE), Charisma Diamond (Heraeus Kulzer GmbH), Esthet X-HD (Dentsply Caulk), and Empress Direct (Ivoclar-Vivadent) for shades A1, A2, A3, B1, and C3 using a Vita Easyshade spectrophotometer (Vita Zahnfabrik) against a white background. Corresponding shades of Vitapan Classical (Vita Zahnfabrik) guide were measured likewise and shade variation (ΔE) was calculated based on International Commission on Illumination L*a*b* parameters. The ΔE of the composites in each shade was compared by one-way analysis of variance and Tukey's post hoc test (α = 0.05). Results: All composites presented ΔE > 3.7 compared with the shade guide. Variation in shades A3, B1, and C3 was significantly different for all composites. ΔE of Z350 XT was significantly lower for A1 than for the other shades, whereas ΔE of Z350 XT and Charisma Diamond were significantly lower for A2 than for the other shades. Conclusions: No composite shade matched with the shade guide. Equivalent shades of the restorative composite from different manufacturers may show clinically noticeable ΔE.

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