COMPARISON OF THE EFFECT OF CHAMFER AND RADIAL SHOULDER FINISH LINE DESIGNS ON MARGINAL ADAPTATION OF ALL-CERAMIC CERCON RESTORATIONS

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JALALIAN E.; MIRTORABI M.

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Journal: Journal of Dental Medicine Year:2010 | Volume:23 | Issue:3 (64) Page(s): 147-152

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Title

COMPARISON OF THE EFFECT OF CHAMFER AND RADIAL SHOULDER FINISH LINE DESIGNS ON MARGINAL ADAPTATION OF ALL-CERAMIC CERCON RESTORATIONS

Author(s)

JALALIAN E. | MIRTORABI M. | Issue Writer Certificate

Keywords

CERCONQ3

MARGINAL ADAPTATIONQ3

RESTORATIONQ2

Abstract

Background and Aims: MARGINAL ADAPTATION is important for the long-term success of full-coverage RESTORATIONs. Preparation design is one of the important factors influencing the marginal integrity. Therefore, the purpose of this study was to compare the effect of radial shoulder and chamfer finish line designs on the MARGINAL ADAPTATION of all-ceramic CERCON RESTORATIONs.Materials and Methods: This in vitro study was done using single blind experimental technique. One stainless steel die with 7 mm height and 5 mm diameter was prepared by milling machine. The preparation design consisted of half radial shoulder with 1mm depth and half chamfer with 0.8mm depth. All walls had a convergence angle of 10º. Ten stone dies and ten ZrO2 copings of CERCON (CERCON Smart Ceramics, DeguDent, Hanau, Germany) were made and after cementation were ground at buccolingual direction. Then marginal gap of each sample was measured by scanning electron microscopy. Data were then analyzed using t-test.Results: The mean marginal gap for radial shoulder was 98.4mm and for chamfer was 39.7mm. The difference was statistically significant (P=0.002).Conclusion: From the results, it may be concluded that the marginal gap of chamfer preparation is less than that of radial shoulder.

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APA: Copy

JALALIAN, E., & MIRTORABI, M.. (2010). COMPARISON OF THE EFFECT OF CHAMFER AND RADIAL SHOULDER FINISH LINE DESIGNS ON MARGINAL ADAPTATION OF ALL-CERAMIC CERCON RESTORATIONS. JOURNAL OF DENTAL MEDICINE, 23(3 (64)), 147-152. SID. https://sid.ir/paper/25567/en

Vancouver: Copy

JALALIAN E., MIRTORABI M.. COMPARISON OF THE EFFECT OF CHAMFER AND RADIAL SHOULDER FINISH LINE DESIGNS ON MARGINAL ADAPTATION OF ALL-CERAMIC CERCON RESTORATIONS. JOURNAL OF DENTAL MEDICINE[Internet]. 2010;23(3 (64)):147-152. Available from: https://sid.ir/paper/25567/en

IEEE: Copy

E. JALALIAN, and M. MIRTORABI, “COMPARISON OF THE EFFECT OF CHAMFER AND RADIAL SHOULDER FINISH LINE DESIGNS ON MARGINAL ADAPTATION OF ALL-CERAMIC CERCON RESTORATIONS,” JOURNAL OF DENTAL MEDICINE, vol. 23, no. 3 (64), pp. 147–152, 2010, [Online]. Available: https://sid.ir/paper/25567/en

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