COMPARING THE EFFECT OF PORCELAIN FIRING CYCLES ON MARGINAL ADAPTATION OF PROCERA ALL - CERAMIC RESTORATIONS WITH METAL CERAMICS

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KOUDARIAN R.; SAZGARA H.; SEYEDAN K.; HAFEZ GHORAN A.

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Journal: JOURNAL OF ISLAMIC DENTAL ASSOCIATION OF IRAN (MAJALLAH-I-DANDANPIZISHKI) Year:2010 | Volume:22 | Issue:2 (75) Page(s): 80-86

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Title

COMPARING THE EFFECT OF PORCELAIN FIRING CYCLES ON MARGINAL ADAPTATION OF PROCERA ALL - CERAMIC RESTORATIONS WITH METAL CERAMICS

Author(s)

KOUDARIAN R. | SAZGARA H. | SEYEDAN K. | HAFEZ GHORAN A. | Issue Writer Certificate

Keywords

DENTAL RESTORATIONQ3

ALLCERAMQ2

MARGINAL ADAPTATIONQ3

PROCERAQ3

DENTAL PORCELAINQ2

Abstract

Background and Aim: Although all - ceramic restorations are widely used, there is lack of information about how the fit is affected by fabrication procedures. This study evaluated the marginal gap of Pocera all - ceramic crowns before and after porcelain firing cycles.Materials and Methods: This was an experimental study, using ten standardized all-ceramic crown of PROCERA system that were fabricated on metal die crowns of the conventional metal - ceramic restorations served as control group. A device was used to retain specimen during measurement and to reposition them on the device after each manufacturing process. The specimens were not cemented and the gaps were measured on the metal die using stereo microscope. The crown systems were compared by using ANOVA and paired sample t-tests. Results: The conventional metal ceramic (69.17±44.8 m) and PROCERA crowns (61.35±43.79 m) demonstated nearly identical marginal discrepancy values. Statistical analyses demonstrated no significant differences in the marginal discrepancy values of PROCERA and metal ceramic crowns. The findings indicate that the addition of porcelain to the copings of PROCERA did not cause significant change in marginal discrepancy values (P=0.7), although there were a significant difference in marginal discrepancy values of control group after firing cycles (P=0.001).Conclusion: Within the limitation of this study, it was concluded that PROCERA all ceramic crown system demonstrated an acceptable marginal fit. The porcelain firing cycle did not affect the marginal fit of this system.

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APA: Copy

KOUDARIAN, R., SAZGARA, H., SEYEDAN, K., & HAFEZ GHORAN, A.. (2010). COMPARING THE EFFECT OF PORCELAIN FIRING CYCLES ON MARGINAL ADAPTATION OF PROCERA ALL - CERAMIC RESTORATIONS WITH METAL CERAMICS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), 22(2 (75)), 80-86. SID. https://sid.ir/paper/54962/en

Vancouver: Copy

KOUDARIAN R., SAZGARA H., SEYEDAN K., HAFEZ GHORAN A.. COMPARING THE EFFECT OF PORCELAIN FIRING CYCLES ON MARGINAL ADAPTATION OF PROCERA ALL - CERAMIC RESTORATIONS WITH METAL CERAMICS. JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI)[Internet]. 2010;22(2 (75)):80-86. Available from: https://sid.ir/paper/54962/en

IEEE: Copy

R. KOUDARIAN, H. SAZGARA, K. SEYEDAN, and A. HAFEZ GHORAN, “COMPARING THE EFFECT OF PORCELAIN FIRING CYCLES ON MARGINAL ADAPTATION OF PROCERA ALL - CERAMIC RESTORATIONS WITH METAL CERAMICS,” JOURNAL OF IRANIAN DENTAL ASSOCIATION (JIDA) (MAJALLAH-I-DANDANPIZISHKI), vol. 22, no. 2 (75), pp. 80–86, 2010, [Online]. Available: https://sid.ir/paper/54962/en

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