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Title

Effect of sintering temperature on translucency parameter of zirconia blocks

Pages

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Abstract

 Background: The main drawbacks of zirconia are its high refractive index and opacity. This study aimed to assess the effect of sintering temperature on the translucency of Ivoclar e. max ZirCAD (IEZ), and White Peaks Symphony (WPS) zirconia blocks. Materials and Methods: In this in vitro experimental study, 30 IEZ and 30 WPS zirconia blocks measuring 10 mm × 10 mm × 1 mm were prepared and underwent sintering in three subgroups at 1440°, C, 1500°, C, and 1530°, C. The specimens were then photographed against a black and a white background with a standard digital camera. The L*, a*, and b* color parameters were measured using Adobe Photoshop software, and translucency was calculated. Data were analyzed using one‑, way ANOVA and Tukey’, s test (P < 0. 05). Results: In both the IEZ and WPS groups, the maximum and minimum translucency parameters were recorded in 1530°, C and 1440°, C subgroups, respectively. The difference in the mean translucency was significant among the three subgroups of each zirconia group (P < 0. 001). The mean translucency of WPS zirconia was significantly higher than that of IEZ zirconia (P < 0. 01), and maximum difference was noted at 1500°, C sintering temperature. Conclusion: Increasing the sintering temperature from 1440°, C to 1530°, C can significantly increase the translucency of IEZ and WPS zirconia blocks, and can be considered to improve the quality of zirconia restorations.

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    APA: Copy

    VAFAEI, FARIBORZ, Shahbazi, Armaghan, Hooshyarfard, Amirarsalan, Najafi, Amir Hosein, EBRAHIMI, MAZIAR, & FARHADIAN, MARYAM. (2022). Effect of sintering temperature on translucency parameter of zirconia blocks. DENTAL RESEARCH JOURNAL (DRJ), 19(10), 00-00. SID. https://sid.ir/paper/1136334/en

    Vancouver: Copy

    VAFAEI FARIBORZ, Shahbazi Armaghan, Hooshyarfard Amirarsalan, Najafi Amir Hosein, EBRAHIMI MAZIAR, FARHADIAN MARYAM. Effect of sintering temperature on translucency parameter of zirconia blocks. DENTAL RESEARCH JOURNAL (DRJ)[Internet]. 2022;19(10):00-00. Available from: https://sid.ir/paper/1136334/en

    IEEE: Copy

    FARIBORZ VAFAEI, Armaghan Shahbazi, Amirarsalan Hooshyarfard, Amir Hosein Najafi, MAZIAR EBRAHIMI, and MARYAM FARHADIAN, “Effect of sintering temperature on translucency parameter of zirconia blocks,” DENTAL RESEARCH JOURNAL (DRJ), vol. 19, no. 10, pp. 00–00, 2022, [Online]. Available: https://sid.ir/paper/1136334/en

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