To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys

Introduction: The success of any restoration depends on the marginal seal. The adaptation of castings, luting cement, and the surface structures of the margins are all important factors in achieving marginal seal. Aim: The aim of this study was to evaluate the vertical marginal discrepancy of cast c...

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Autores principales:	Manoj Kumar Thakur, Amit Kumar Mishra, Tanya Verma, Lenin Babu Thota, Sandeep Saurabh, Deepak Kumar
Formato:	article
Lenguaje:	EN
Publicado:	Wolters Kluwer Medknow Publications 2021
Materias:	finish lines marginal fit metal coping porcelain Pharmacy and materia medica RS1-441 Analytical chemistry QD71-142
Acceso en línea:	https://doaj.org/article/cb144787de154a439ec978c2a279b17f
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spelling	oai:doaj.org-article:cb144787de154a439ec978c2a279b17f2021-11-19T12:15:52ZTo evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys0975-740610.4103/jpbs.jpbs_137_21https://doaj.org/article/cb144787de154a439ec978c2a279b17f2021-01-01T00:00:00Zhttp://www.jpbsonline.org/article.asp?issn=0975-7406;year=2021;volume=13;issue=6;spage=1315;epage=1319;aulast=Thakurhttps://doaj.org/toc/0975-7406Introduction: The success of any restoration depends on the marginal seal. The adaptation of castings, luting cement, and the surface structures of the margins are all important factors in achieving marginal seal. Aim: The aim of this study was to evaluate the vertical marginal discrepancy of cast copings obtained by employing conventional casting technique with two different base metal alloys with two different finish lines before and after porcelain firing. Material and Methods: A total of forty wax copings were fabricated with stainless steel die assembly and divided into four groups with ten specimens for each metal and each finish line. Measurements were recorded from coping margin to the stainless steel die margin for vertical marginal gap recordings. Each metal coping was finished, and porcelain application was completed. Copings with porcelain were placed on their respective dies, again subjected to the same measuring microscope for checking the vertical marginal discrepancy by the same operator and results. Results: The results of the present study showed that the mean vertical marginal gaps of all the cast copings obtained in each group (G1–G8) were within clinically acceptable limits. The mean vertical marginal gap of G1 was 135.36 ± 2.30 μm, G2 was 67.22 ± 4.25 μm, G3: 39.47 ± 2.98 μm, G4: 71.00 ± 3.97 μm, G5: 109.57 ± 2.98 μm, G6: 109.57 ± 2.98 μm, and G8: 114.58 ± 2.40 μm. Conclusion: The difference in the vertical marginal gap of cast copings obtained in different groups was statistically highly significant at 0.005 level, while the difference in the vertical marginal gap of cast copings obtained at different points was statistically nonsignificant.Manoj Kumar ThakurAmit Kumar MishraTanya VermaLenin Babu ThotaSandeep SaurabhDeepak KumarWolters Kluwer Medknow Publicationsarticlefinish linesmarginal fitmetal copingporcelainPharmacy and materia medicaRS1-441Analytical chemistryQD71-142ENJournal of Pharmacy and Bioallied Sciences, Vol 13, Iss 6, Pp 1315-1319 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	finish lines marginal fit metal coping porcelain Pharmacy and materia medica RS1-441 Analytical chemistry QD71-142
spellingShingle	finish lines marginal fit metal coping porcelain Pharmacy and materia medica RS1-441 Analytical chemistry QD71-142 Manoj Kumar Thakur Amit Kumar Mishra Tanya Verma Lenin Babu Thota Sandeep Saurabh Deepak Kumar To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
description	Introduction: The success of any restoration depends on the marginal seal. The adaptation of castings, luting cement, and the surface structures of the margins are all important factors in achieving marginal seal. Aim: The aim of this study was to evaluate the vertical marginal discrepancy of cast copings obtained by employing conventional casting technique with two different base metal alloys with two different finish lines before and after porcelain firing. Material and Methods: A total of forty wax copings were fabricated with stainless steel die assembly and divided into four groups with ten specimens for each metal and each finish line. Measurements were recorded from coping margin to the stainless steel die margin for vertical marginal gap recordings. Each metal coping was finished, and porcelain application was completed. Copings with porcelain were placed on their respective dies, again subjected to the same measuring microscope for checking the vertical marginal discrepancy by the same operator and results. Results: The results of the present study showed that the mean vertical marginal gaps of all the cast copings obtained in each group (G1–G8) were within clinically acceptable limits. The mean vertical marginal gap of G1 was 135.36 ± 2.30 μm, G2 was 67.22 ± 4.25 μm, G3: 39.47 ± 2.98 μm, G4: 71.00 ± 3.97 μm, G5: 109.57 ± 2.98 μm, G6: 109.57 ± 2.98 μm, and G8: 114.58 ± 2.40 μm. Conclusion: The difference in the vertical marginal gap of cast copings obtained in different groups was statistically highly significant at 0.005 level, while the difference in the vertical marginal gap of cast copings obtained at different points was statistically nonsignificant.
format	article
author	Manoj Kumar Thakur Amit Kumar Mishra Tanya Verma Lenin Babu Thota Sandeep Saurabh Deepak Kumar
author_facet	Manoj Kumar Thakur Amit Kumar Mishra Tanya Verma Lenin Babu Thota Sandeep Saurabh Deepak Kumar
author_sort	Manoj Kumar Thakur
title	To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
title_short	To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
title_full	To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
title_fullStr	To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
title_full_unstemmed	To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
title_sort	to evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys
publisher	Wolters Kluwer Medknow Publications
publishDate	2021
url	https://doaj.org/article/cb144787de154a439ec978c2a279b17f
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To evaluate the marginal adaptation of porcelain fused to metal crown with different base metal alloys

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