LABORATORY EVALUATION OF MARGINAL PORCELAIN EXTENSION ON MICROLEAKAGE OF BASE METAL CROWNS

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SALARI TAGHI; GHAVAM NASIRI MARJANEH; GOUHARIAN R.

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Journal: Journal of Mashhad Dental School Year:2005 | Volume:29 | Issue:1-2 Page(s): 75-80

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Title

LABORATORY EVALUATION OF MARGINAL PORCELAIN EXTENSION ON MICROLEAKAGE OF BASE METAL CROWNS

Author(s)

SALARI TAGHI | GHAVAM NASIRI MARJANEH | GOUHARIAN R. | Issue Writer Certificate

Keywords

PORCELAINQ3

BASE METALQ4

BUCCALQ4

LINGUALQ3

MICROLEAKAGEQ3

Abstract

Introduction: The purpose of this study was to evaluate the marginal PORCELAIN extension on MICROLEAKAGE of BASE METAL - PORCELAIN crowns when four types of luting cements have been used for cementation.Materials & Methods: In this invitro experimental study, ninety six BASE METAL-PORCELAIN crowns with three types of finishing margins were made for premolars. Then they were luted with four different luting cements (zinc phosphate, zinc polycarboxylate, glass ionomer and Panavia F). Next, they were thermocycled (1000 times). Finally, the MICROLEAKAGE was measured after dye penetration.For data analysis, Non parametric Kruskal-Wallis and Mann-Whitney tests were used (a=0.05). Result: 1. The mean rank of MICROLEAKAGE in BUCCAL margin was more than LINGUAL one (P<0.05).2. In all of the finis4ing margins, zinc phosphate cement showed the highest MICROLEAKAGE in BUCCAL and LINGUAL walls (P<0.05).3. In all of the finishing margins, Panavia F showed the least MICROLEAKAGE compared to the other cements in two walls (P<0.05).Conclusion: For promotion of marginal seal in BASE METAL - PORCELAIN crowns, the use of Panavia F as a luting cement is suggested.

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APA: Copy

SALARI, TAGHI, GHAVAM NASIRI, MARJANEH, & GOUHARIAN, R.. (2005). LABORATORY EVALUATION OF MARGINAL PORCELAIN EXTENSION ON MICROLEAKAGE OF BASE METAL CROWNS. JOURNAL OF MASHHAD DENTAL SCHOOL, 29(1-2), 75-80. SID. https://sid.ir/paper/74345/en

Vancouver: Copy

SALARI TAGHI, GHAVAM NASIRI MARJANEH, GOUHARIAN R.. LABORATORY EVALUATION OF MARGINAL PORCELAIN EXTENSION ON MICROLEAKAGE OF BASE METAL CROWNS. JOURNAL OF MASHHAD DENTAL SCHOOL[Internet]. 2005;29(1-2):75-80. Available from: https://sid.ir/paper/74345/en

IEEE: Copy

TAGHI SALARI, MARJANEH GHAVAM NASIRI, and R. GOUHARIAN, “LABORATORY EVALUATION OF MARGINAL PORCELAIN EXTENSION ON MICROLEAKAGE OF BASE METAL CROWNS,” JOURNAL OF MASHHAD DENTAL SCHOOL, vol. 29, no. 1-2, pp. 75–80, 2005, [Online]. Available: https://sid.ir/paper/74345/en

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