Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins

Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear d...
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Autor*in:	Saryu Arora [verfasserIn] S K Khindaria [verfasserIn] Sushant Garg [verfasserIn] Sanjay Mittal [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Schlagwörter:	Heat cure acrylic resin dimensional changes complete denture

Übergeordnetes Werk:	In: Contemporary Clinical Dentistry - Wolters Kluwer Medknow Publications, 2010, 2(2011), 3, Seite 182-187
Übergeordnetes Werk:	volume:2 ; year:2011 ; number:3 ; pages:182-187

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

DOI / URN:	10.4103/0976-237X.86452

Katalog-ID:	DOAJ021002983

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520			\|a Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.
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allfields	10.4103/0976-237X.86452 doi (DE-627)DOAJ021002983 (DE-599)DOAJ87c8d7a5e44a4a99a568f0d80a47f2e5 DE-627 ger DE-627 rakwb eng RK1-715 Saryu Arora verfasserin aut Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands. Heat cure acrylic resin dimensional changes complete denture Dentistry S K Khindaria verfasserin aut Sushant Garg verfasserin aut Sanjay Mittal verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 2(2011), 3, Seite 182-187 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:2 year:2011 number:3 pages:182-187 https://doi.org/10.4103/0976-237X.86452 kostenfrei https://doaj.org/article/87c8d7a5e44a4a99a568f0d80a47f2e5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2011;volume=2;issue=3;spage=182;epage=187;aulast=Arora 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 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 2 2011 3 182-187
spelling	10.4103/0976-237X.86452 doi (DE-627)DOAJ021002983 (DE-599)DOAJ87c8d7a5e44a4a99a568f0d80a47f2e5 DE-627 ger DE-627 rakwb eng RK1-715 Saryu Arora verfasserin aut Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands. Heat cure acrylic resin dimensional changes complete denture Dentistry S K Khindaria verfasserin aut Sushant Garg verfasserin aut Sanjay Mittal verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 2(2011), 3, Seite 182-187 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:2 year:2011 number:3 pages:182-187 https://doi.org/10.4103/0976-237X.86452 kostenfrei https://doaj.org/article/87c8d7a5e44a4a99a568f0d80a47f2e5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2011;volume=2;issue=3;spage=182;epage=187;aulast=Arora 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 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 2 2011 3 182-187
allfields_unstemmed	10.4103/0976-237X.86452 doi (DE-627)DOAJ021002983 (DE-599)DOAJ87c8d7a5e44a4a99a568f0d80a47f2e5 DE-627 ger DE-627 rakwb eng RK1-715 Saryu Arora verfasserin aut Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands. Heat cure acrylic resin dimensional changes complete denture Dentistry S K Khindaria verfasserin aut Sushant Garg verfasserin aut Sanjay Mittal verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 2(2011), 3, Seite 182-187 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:2 year:2011 number:3 pages:182-187 https://doi.org/10.4103/0976-237X.86452 kostenfrei https://doaj.org/article/87c8d7a5e44a4a99a568f0d80a47f2e5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2011;volume=2;issue=3;spage=182;epage=187;aulast=Arora 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 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 2 2011 3 182-187
allfieldsGer	10.4103/0976-237X.86452 doi (DE-627)DOAJ021002983 (DE-599)DOAJ87c8d7a5e44a4a99a568f0d80a47f2e5 DE-627 ger DE-627 rakwb eng RK1-715 Saryu Arora verfasserin aut Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands. Heat cure acrylic resin dimensional changes complete denture Dentistry S K Khindaria verfasserin aut Sushant Garg verfasserin aut Sanjay Mittal verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 2(2011), 3, Seite 182-187 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:2 year:2011 number:3 pages:182-187 https://doi.org/10.4103/0976-237X.86452 kostenfrei https://doaj.org/article/87c8d7a5e44a4a99a568f0d80a47f2e5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2011;volume=2;issue=3;spage=182;epage=187;aulast=Arora 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 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 2 2011 3 182-187
allfieldsSound	10.4103/0976-237X.86452 doi (DE-627)DOAJ021002983 (DE-599)DOAJ87c8d7a5e44a4a99a568f0d80a47f2e5 DE-627 ger DE-627 rakwb eng RK1-715 Saryu Arora verfasserin aut Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands. Heat cure acrylic resin dimensional changes complete denture Dentistry S K Khindaria verfasserin aut Sushant Garg verfasserin aut Sanjay Mittal verfasserin aut In Contemporary Clinical Dentistry Wolters Kluwer Medknow Publications, 2010 2(2011), 3, Seite 182-187 (DE-627)64057355X (DE-600)2582352-8 09762361 nnns volume:2 year:2011 number:3 pages:182-187 https://doi.org/10.4103/0976-237X.86452 kostenfrei https://doaj.org/article/87c8d7a5e44a4a99a568f0d80a47f2e5 kostenfrei http://www.contempclindent.org/article.asp?issn=0976-237X;year=2011;volume=2;issue=3;spage=182;epage=187;aulast=Arora 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 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 2 2011 3 182-187
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Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. 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callnumber-first	R - Medicine
author	Saryu Arora
spellingShingle	Saryu Arora misc RK1-715 misc Heat cure acrylic resin misc dimensional changes misc complete denture misc Dentistry Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
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topic_title	RK1-715 Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins Heat cure acrylic resin dimensional changes complete denture
topic	misc RK1-715 misc Heat cure acrylic resin misc dimensional changes misc complete denture misc Dentistry
topic_unstemmed	misc RK1-715 misc Heat cure acrylic resin misc dimensional changes misc complete denture misc Dentistry
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title	Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
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title_full	Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
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author_browse	Saryu Arora S K Khindaria Sushant Garg Sanjay Mittal
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title_sort	comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
callnumber	RK1-715
title_auth	Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
abstract	Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.
abstractGer	Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.
abstract_unstemmed	Context: Heat cured acrylic resins undergo dimensional changes during polymerization. Dimensional changes which occur in the heat cure acrylic resins are shrinkage and expansion which affects the fit of the denture and occlusal relationship. Aims: The purpose of this study was to access the linear dimensional changes of four heat cure acrylic resins before and after curing and compare the changes among four different acrylic brands. Materials and Methods: Twenty four patients irrespective of age and sex were taken and four commercially available brands were procured. After the teeth arrangement on the mandibular trial denture, two pins were fixed in central fossae of first molar on both sides and one pin in the cingulum of left central incisor. Meliodent heat cure acrylic resin was used in Group A; Trevalon heat cure acrylic resin was used in Group B; Triplex heat cure acrylic resin was used in Group C and Vertex heat cure acrylic resin was used in Group D. Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. Among the four different brands of heat cure acrylic resin Group D (Vertex) had the least linear dimensional changes after curing and after finishing and polishing, so that D (Vertex) could be the material of choice for fabrication of complete denture among the four brands.
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title_short	Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins
url	https://doi.org/10.4103/0976-237X.86452 https://doaj.org/article/87c8d7a5e44a4a99a568f0d80a47f2e5 http://www.contempclindent.org/article.asp?issn=0976-237X;year=2011;volume=2;issue=3;spage=182;epage=187;aulast=Arora https://doaj.org/toc/0976-237X https://doaj.org/toc/0976-2361
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author2	S K Khindaria Sushant Garg Sanjay Mittal
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up_date	2024-07-03T18:18:10.166Z
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Linear measurements of the trial wax up before and after curing and before and after finishing and polishing were measured and compared. Collected data was analyzed with analysis of variance and ′t′ test at 95% level of confidence (P=0.05). Results: The maximum percentage changes were seen in cases of Group A (Meliodent) followed by Group B, Group C and Group D (Trevalon, Triplex and Vertex). Meliodent showed the highest percentage change i.e. 1.18% and Vertex showed least percentage change of 0.37 %. Conclusions: Shrinkage occurred after curing and after finishing and polishing, which varies significantly with the four commercially available heat cure acrylic resins. 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Comparative evaluation of linear dimensional changes of four commercially available heat cure acrylic resins

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