A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy

Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A c...
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Autor*in:	Bhavya Mohandas Amin [verfasserIn] Meena Ajay Aras [verfasserIn] Vidya Chitre [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Schlagwörter:	Crowns marginal accuracy provisional

Übergeordnetes Werk:	In: Contemporary Clinical Dentistry - Wolters Kluwer Medknow Publications, 2010, 6(2015), 2, Seite 161-165
Übergeordnetes Werk:	volume:6 ; year:2015 ; number:2 ; pages:161-165

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.4103/0976-237X.156035

Katalog-ID:	DOAJ017571561

Internformat


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allfields	10.4103/0976-237X.156035 doi (DE-627)DOAJ017571561 (DE-599)DOAJ33d0dfec850c4cb79c4d14ddf70bb8b5 DE-627 ger DE-627 rakwb eng RK1-715 Bhavya Mohandas Amin verfasserin aut A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns. Crowns marginal accuracy provisional Dentistry Meena Ajay Aras verfasserin aut Vidya Chitre verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 6(2015), 2, Seite 161-165 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:6 year:2015 number:2 pages:161-165 https://doi.org/10.4103/0976-237X.156035 kostenfrei https://doaj.org/article/33d0dfec850c4cb79c4d14ddf70bb8b5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2015;volume=6;issue=2;spage=161;epage=165;aulast=Amin kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2015 2 161-165
spelling	10.4103/0976-237X.156035 doi (DE-627)DOAJ017571561 (DE-599)DOAJ33d0dfec850c4cb79c4d14ddf70bb8b5 DE-627 ger DE-627 rakwb eng RK1-715 Bhavya Mohandas Amin verfasserin aut A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns. Crowns marginal accuracy provisional Dentistry Meena Ajay Aras verfasserin aut Vidya Chitre verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 6(2015), 2, Seite 161-165 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:6 year:2015 number:2 pages:161-165 https://doi.org/10.4103/0976-237X.156035 kostenfrei https://doaj.org/article/33d0dfec850c4cb79c4d14ddf70bb8b5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2015;volume=6;issue=2;spage=161;epage=165;aulast=Amin kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2015 2 161-165
allfields_unstemmed	10.4103/0976-237X.156035 doi (DE-627)DOAJ017571561 (DE-599)DOAJ33d0dfec850c4cb79c4d14ddf70bb8b5 DE-627 ger DE-627 rakwb eng RK1-715 Bhavya Mohandas Amin verfasserin aut A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns. Crowns marginal accuracy provisional Dentistry Meena Ajay Aras verfasserin aut Vidya Chitre verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 6(2015), 2, Seite 161-165 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:6 year:2015 number:2 pages:161-165 https://doi.org/10.4103/0976-237X.156035 kostenfrei https://doaj.org/article/33d0dfec850c4cb79c4d14ddf70bb8b5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2015;volume=6;issue=2;spage=161;epage=165;aulast=Amin kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2015 2 161-165
allfieldsGer	10.4103/0976-237X.156035 doi (DE-627)DOAJ017571561 (DE-599)DOAJ33d0dfec850c4cb79c4d14ddf70bb8b5 DE-627 ger DE-627 rakwb eng RK1-715 Bhavya Mohandas Amin verfasserin aut A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns. Crowns marginal accuracy provisional Dentistry Meena Ajay Aras verfasserin aut Vidya Chitre verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 6(2015), 2, Seite 161-165 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:6 year:2015 number:2 pages:161-165 https://doi.org/10.4103/0976-237X.156035 kostenfrei https://doaj.org/article/33d0dfec850c4cb79c4d14ddf70bb8b5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2015;volume=6;issue=2;spage=161;epage=165;aulast=Amin kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2015 2 161-165
allfieldsSound	10.4103/0976-237X.156035 doi (DE-627)DOAJ017571561 (DE-599)DOAJ33d0dfec850c4cb79c4d14ddf70bb8b5 DE-627 ger DE-627 rakwb eng RK1-715 Bhavya Mohandas Amin verfasserin aut A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns. Crowns marginal accuracy provisional Dentistry Meena Ajay Aras verfasserin aut Vidya Chitre verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 6(2015), 2, Seite 161-165 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:6 year:2015 number:2 pages:161-165 https://doi.org/10.4103/0976-237X.156035 kostenfrei https://doaj.org/article/33d0dfec850c4cb79c4d14ddf70bb8b5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2015;volume=6;issue=2;spage=161;epage=165;aulast=Amin kostenfrei https://doaj.org/toc/0976-237X Journal toc kostenfrei https://doaj.org/toc/0976-2361 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 6 2015 2 161-165
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Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). 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callnumber-first	R - Medicine
author	Bhavya Mohandas Amin
spellingShingle	Bhavya Mohandas Amin misc RK1-715 misc Crowns misc marginal accuracy misc provisional misc Dentistry A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy
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topic_title	RK1-715 A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy Crowns marginal accuracy provisional
topic	misc RK1-715 misc Crowns misc marginal accuracy misc provisional misc Dentistry
topic_unstemmed	misc RK1-715 misc Crowns misc marginal accuracy misc provisional misc Dentistry
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title	A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy
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title_full	A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy
author_sort	Bhavya Mohandas Amin
journal	Contemporary Clinical Dentistry
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author_browse	Bhavya Mohandas Amin Meena Ajay Aras Vidya Chitre
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author-letter	Bhavya Mohandas Amin
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title_sort	comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: an in vitrostudy
callnumber	RK1-715
title_auth	A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy
abstract	Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns.
abstractGer	Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns.
abstract_unstemmed	Purpose: The purpose of this in vitro study was to evaluate and compare the primary marginal accuracy of four commercially available provisional materials (Protemp 4, Luxatemp Star, Visalys Temp and DPI tooth moulding powder and liquid) at 2 time intervals (10 and 30 min). Materials and Methods: A customized stainless steel master model containing two interchangeable dies was used for fabrication of provisional crowns. Forty crowns (n = 10) were fabricated, and each crown was evaluated under a stereomicroscope. Vertical marginal discrepancies were noted and compared at 10 min since the start of mixing and then at 30 min. Observations and Results: Protemp 4 showed the least vertical marginal discrepancy (71.59 μ), followed by Luxatemp Star (91.93 μ) at 10 min. DPI showed a marginal discrepancy of 95.94 μ while Visalys Temp crowns had vertical marginal discrepancy of 106.81 μ. There was a significant difference in the marginal discrepancy values of Protemp 4 and Visalys Temp. At 30 min, there was a significant difference between the marginal discrepancy of Protemp 4 crowns (83.11 μ) and Visalys Temp crowns (128.97 μ) and between Protemp 4 and DPI (118.88 μ). No significant differences were observed between Protemp 4 and Luxatemp Star. Conclusion: The vertical marginal discrepancy of temporary crowns fabricated from the four commercially available provisional materials ranged from 71 to 106 μ immediately after fabrication (at 10 min from the start of mix) to 83-128 μ (30 min from the start of mix). The time elapsed after mixing had a significant influence on the marginal accuracy of the crowns.
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title_short	A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy
url	https://doi.org/10.4103/0976-237X.156035 https://doaj.org/article/33d0dfec850c4cb79c4d14ddf70bb8b5 http://www.contempclindent.org/article.asp?issn=0976-237X;year=2015;volume=6;issue=2;spage=161;epage=165;aulast=Amin https://doaj.org/toc/0976-237X https://doaj.org/toc/0976-2361
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up_date	2024-07-04T02:07:41.494Z
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A comparative evaluation of the marginal accuracy of crowns fabricated from four commercially available provisional materials: An in vitrostudy

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