Influence of application site of provisional cement on the marginal adaptation of provisional crowns

INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional cr...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Mayra Cardoso [verfasserIn] Marcelo Ferreira Torres [verfasserIn] Mariana Ribeiro de Moraes Rego [verfasserIn] Luiz Carlos Santiago [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2008

Schlagwörter:	Marginal opening Provisional crowns Provisional cement

Übergeordnetes Werk:	In: Journal of Applied Oral Science - University of São Paulo, 2004, 16(2008), 3, Seite 214-218
Übergeordnetes Werk:	volume:16 ; year:2008 ; number:3 ; pages:214-218

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

DOI / URN:	10.1590/S1678-77572008000300010

Katalog-ID:	DOAJ012649929

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520			\|a INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated.
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allfields	10.1590/S1678-77572008000300010 doi (DE-627)DOAJ012649929 (DE-599)DOAJ727953cc86ca4ca8b67e578e51ca1771 DE-627 ger DE-627 rakwb eng RK1-715 Mayra Cardoso verfasserin aut Influence of application site of provisional cement on the marginal adaptation of provisional crowns 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated. Marginal opening Provisional crowns Provisional cement Dentistry Marcelo Ferreira Torres verfasserin aut Mariana Ribeiro de Moraes Rego verfasserin aut Luiz Carlos Santiago verfasserin aut In Journal of Applied Oral Science University of São Paulo, 2004 16(2008), 3, Seite 214-218 (DE-627)390968269 (DE-600)2152066-5 16787765 nnns volume:16 year:2008 number:3 pages:214-218 https://doi.org/10.1590/S1678-77572008000300010 kostenfrei https://doaj.org/article/727953cc86ca4ca8b67e578e51ca1771 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572008000300010 kostenfrei https://doaj.org/toc/1678-7757 Journal toc kostenfrei https://doaj.org/toc/1678-7765 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_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 16 2008 3 214-218
spelling	10.1590/S1678-77572008000300010 doi (DE-627)DOAJ012649929 (DE-599)DOAJ727953cc86ca4ca8b67e578e51ca1771 DE-627 ger DE-627 rakwb eng RK1-715 Mayra Cardoso verfasserin aut Influence of application site of provisional cement on the marginal adaptation of provisional crowns 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated. Marginal opening Provisional crowns Provisional cement Dentistry Marcelo Ferreira Torres verfasserin aut Mariana Ribeiro de Moraes Rego verfasserin aut Luiz Carlos Santiago verfasserin aut In Journal of Applied Oral Science University of São Paulo, 2004 16(2008), 3, Seite 214-218 (DE-627)390968269 (DE-600)2152066-5 16787765 nnns volume:16 year:2008 number:3 pages:214-218 https://doi.org/10.1590/S1678-77572008000300010 kostenfrei https://doaj.org/article/727953cc86ca4ca8b67e578e51ca1771 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572008000300010 kostenfrei https://doaj.org/toc/1678-7757 Journal toc kostenfrei https://doaj.org/toc/1678-7765 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_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 16 2008 3 214-218
allfields_unstemmed	10.1590/S1678-77572008000300010 doi (DE-627)DOAJ012649929 (DE-599)DOAJ727953cc86ca4ca8b67e578e51ca1771 DE-627 ger DE-627 rakwb eng RK1-715 Mayra Cardoso verfasserin aut Influence of application site of provisional cement on the marginal adaptation of provisional crowns 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated. Marginal opening Provisional crowns Provisional cement Dentistry Marcelo Ferreira Torres verfasserin aut Mariana Ribeiro de Moraes Rego verfasserin aut Luiz Carlos Santiago verfasserin aut In Journal of Applied Oral Science University of São Paulo, 2004 16(2008), 3, Seite 214-218 (DE-627)390968269 (DE-600)2152066-5 16787765 nnns volume:16 year:2008 number:3 pages:214-218 https://doi.org/10.1590/S1678-77572008000300010 kostenfrei https://doaj.org/article/727953cc86ca4ca8b67e578e51ca1771 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572008000300010 kostenfrei https://doaj.org/toc/1678-7757 Journal toc kostenfrei https://doaj.org/toc/1678-7765 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_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 16 2008 3 214-218
allfieldsGer	10.1590/S1678-77572008000300010 doi (DE-627)DOAJ012649929 (DE-599)DOAJ727953cc86ca4ca8b67e578e51ca1771 DE-627 ger DE-627 rakwb eng RK1-715 Mayra Cardoso verfasserin aut Influence of application site of provisional cement on the marginal adaptation of provisional crowns 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated. Marginal opening Provisional crowns Provisional cement Dentistry Marcelo Ferreira Torres verfasserin aut Mariana Ribeiro de Moraes Rego verfasserin aut Luiz Carlos Santiago verfasserin aut In Journal of Applied Oral Science University of São Paulo, 2004 16(2008), 3, Seite 214-218 (DE-627)390968269 (DE-600)2152066-5 16787765 nnns volume:16 year:2008 number:3 pages:214-218 https://doi.org/10.1590/S1678-77572008000300010 kostenfrei https://doaj.org/article/727953cc86ca4ca8b67e578e51ca1771 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572008000300010 kostenfrei https://doaj.org/toc/1678-7757 Journal toc kostenfrei https://doaj.org/toc/1678-7765 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_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 16 2008 3 214-218
allfieldsSound	10.1590/S1678-77572008000300010 doi (DE-627)DOAJ012649929 (DE-599)DOAJ727953cc86ca4ca8b67e578e51ca1771 DE-627 ger DE-627 rakwb eng RK1-715 Mayra Cardoso verfasserin aut Influence of application site of provisional cement on the marginal adaptation of provisional crowns 2008 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated. Marginal opening Provisional crowns Provisional cement Dentistry Marcelo Ferreira Torres verfasserin aut Mariana Ribeiro de Moraes Rego verfasserin aut Luiz Carlos Santiago verfasserin aut In Journal of Applied Oral Science University of São Paulo, 2004 16(2008), 3, Seite 214-218 (DE-627)390968269 (DE-600)2152066-5 16787765 nnns volume:16 year:2008 number:3 pages:214-218 https://doi.org/10.1590/S1678-77572008000300010 kostenfrei https://doaj.org/article/727953cc86ca4ca8b67e578e51ca1771 kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572008000300010 kostenfrei https://doaj.org/toc/1678-7757 Journal toc kostenfrei https://doaj.org/toc/1678-7765 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 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_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 16 2008 3 214-218
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source	In Journal of Applied Oral Science 16(2008), 3, Seite 214-218 volume:16 year:2008 number:3 pages:214-218
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authorswithroles_txt_mv	Mayra Cardoso @@aut@@ Marcelo Ferreira Torres @@aut@@ Mariana Ribeiro de Moraes Rego @@aut@@ Luiz Carlos Santiago @@aut@@
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PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). 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callnumber-first	R - Medicine
author	Mayra Cardoso
spellingShingle	Mayra Cardoso misc RK1-715 misc Marginal opening misc Provisional crowns misc Provisional cement misc Dentistry Influence of application site of provisional cement on the marginal adaptation of provisional crowns
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topic_title	RK1-715 Influence of application site of provisional cement on the marginal adaptation of provisional crowns Marginal opening Provisional crowns Provisional cement
topic	misc RK1-715 misc Marginal opening misc Provisional crowns misc Provisional cement misc Dentistry
topic_unstemmed	misc RK1-715 misc Marginal opening misc Provisional crowns misc Provisional cement misc Dentistry
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title	Influence of application site of provisional cement on the marginal adaptation of provisional crowns
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title_full	Influence of application site of provisional cement on the marginal adaptation of provisional crowns
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author_browse	Mayra Cardoso Marcelo Ferreira Torres Mariana Ribeiro de Moraes Rego Luiz Carlos Santiago
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title_sort	influence of application site of provisional cement on the marginal adaptation of provisional crowns
callnumber	RK1-715
title_auth	Influence of application site of provisional cement on the marginal adaptation of provisional crowns
abstract	INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated.
abstractGer	INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated.
abstract_unstemmed	INTRODUCTION: Marginal discrepancies may lead to cement washout and marginal leakage, damaging periodontal and pulp tissues or causing premature loss of the restoration. PURPOSE: This study evaluated the influence of application site of provisional cement on the marginal adaptation of provisional crowns. MATERIAL AND METHODS: Four different application sites of provisional cement (Temp Bond NE, Kerr Corporation) were used for cementation of provisional crowns on phantom teeth prepared for full crown restorations, performing 4 experimental groups (n=10): cement applied to all internal surfaces of the crown (CAO); cement applied to all internal surfaces of the crown, except for the occlusal surface (CA); cement applied to the cervical crown margin (CM); and cement applied to the cervical tooth margin (TM). A comparison microscope (Mitutoyo America Corporation) was used to measure the distances between the internal tangents of two circular marks, one made on the provisional crown and one made apical to the tooth preparation margin, in areas corresponding to buccal, lingual, mesial and distal surfaces. Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). CONCLUSION: complete filling of the crown with provisional cement, including the occlusal surface, provided grater marginal discrepancies when compared to the other methods evaluated.
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title_short	Influence of application site of provisional cement on the marginal adaptation of provisional crowns
url	https://doi.org/10.1590/S1678-77572008000300010 https://doaj.org/article/727953cc86ca4ca8b67e578e51ca1771 http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572008000300010 https://doaj.org/toc/1678-7757 https://doaj.org/toc/1678-7765
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author2	Marcelo Ferreira Torres Mariana Ribeiro de Moraes Rego Luiz Carlos Santiago
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up_date	2024-07-04T01:51:41.913Z
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Marginal adaptation was determined before and after cementation, with 0.0001-mm accuracy. Data were analyzed statistically by ANOVA and Tukey's test at 5% significance level. RESULTS: Mean values of marginal opening obtained for each group were: CAO: 145 µm; CA: 67 µm; CM: 46 µm; TM: 34 µm. CA, CM and TM presented significantly lower marginal openings than CAO (p<0.05). 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Influence of application site of provisional cement on the marginal adaptation of provisional crowns

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