56-month clinical performance of Class I and II resin composite restorations

OBJECTIVE: This study evaluated the 56-month clinical performance of Class I and II resin composite restorations. Filtek P60 was compared with Filtek Z250, which are both indicated for posterior restorations but differ in terms of handling characteristics. The null hypothesis tested was that there i...

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Main Authors: Flavia Bittencourt Pazinatto, Ranulfo Gionordoli Neto, Linda Wang, José Mondelli, Rafael Francisco Lia Mondelli, Maria Fidela de Lima Navarro
Format: Article
Language:English
Published: University of São Paulo 2012-06-01
Series:Journal of Applied Oral Science
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572012000300005
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author Flavia Bittencourt Pazinatto
Ranulfo Gionordoli Neto
Linda Wang
José Mondelli
Rafael Francisco Lia Mondelli
Maria Fidela de Lima Navarro
author_facet Flavia Bittencourt Pazinatto
Ranulfo Gionordoli Neto
Linda Wang
José Mondelli
Rafael Francisco Lia Mondelli
Maria Fidela de Lima Navarro
author_sort Flavia Bittencourt Pazinatto
collection DOAJ
description OBJECTIVE: This study evaluated the 56-month clinical performance of Class I and II resin composite restorations. Filtek P60 was compared with Filtek Z250, which are both indicated for posterior restorations but differ in terms of handling characteristics. The null hypothesis tested was that there is no difference in the clinical performance of the two resin composites in posterior teeth. MATERIAL AND METHODS: Thirty-three patients were treated by the same operator, who prepared 48 Class I and 42 Class II cavities, which were restored with Single Bond/Filtek Z250 or Single Bond/Filtek P60 restorative systems. Restorations were evaluated by two independent examiners at baseline and after 56 months, using the modified USPHS criteria. Data were analyzed statistically using Chi-square and Fisher's Exact tests (a=0.05). RESULTS: After 56 months, 25 patients (31 Class I and 36 Class II) were analyzed. A 3% failure rate occurred due to secondary caries and excessive loss of anatomic form for P60. For both restorative systems, there were no significant differences in secondary caries and postoperative sensitivity. However, significant changes were observed with respect to anatomic form, marginal discoloration, and marginal adaptation. Significant decreases in surface texture were observed exclusively for the Z250 restorations. CONCLUSIONS: Both restorative systems can be used for posterior restorations and can be expected to perform well in the oral environment.
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spelling doaj.art-27d9e06b8c924a81b8b9e1afd9b8c5e72022-12-21T20:25:45ZengUniversity of São PauloJournal of Applied Oral Science1678-77571678-77652012-06-0120332332810.1590/S1678-7757201200030000556-month clinical performance of Class I and II resin composite restorationsFlavia Bittencourt PazinattoRanulfo Gionordoli NetoLinda WangJosé MondelliRafael Francisco Lia MondelliMaria Fidela de Lima NavarroOBJECTIVE: This study evaluated the 56-month clinical performance of Class I and II resin composite restorations. Filtek P60 was compared with Filtek Z250, which are both indicated for posterior restorations but differ in terms of handling characteristics. The null hypothesis tested was that there is no difference in the clinical performance of the two resin composites in posterior teeth. MATERIAL AND METHODS: Thirty-three patients were treated by the same operator, who prepared 48 Class I and 42 Class II cavities, which were restored with Single Bond/Filtek Z250 or Single Bond/Filtek P60 restorative systems. Restorations were evaluated by two independent examiners at baseline and after 56 months, using the modified USPHS criteria. Data were analyzed statistically using Chi-square and Fisher's Exact tests (a=0.05). RESULTS: After 56 months, 25 patients (31 Class I and 36 Class II) were analyzed. A 3% failure rate occurred due to secondary caries and excessive loss of anatomic form for P60. For both restorative systems, there were no significant differences in secondary caries and postoperative sensitivity. However, significant changes were observed with respect to anatomic form, marginal discoloration, and marginal adaptation. Significant decreases in surface texture were observed exclusively for the Z250 restorations. CONCLUSIONS: Both restorative systems can be used for posterior restorations and can be expected to perform well in the oral environment.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572012000300005Clinical trialComposite resinsPermanent dental restoration
spellingShingle Flavia Bittencourt Pazinatto
Ranulfo Gionordoli Neto
Linda Wang
José Mondelli
Rafael Francisco Lia Mondelli
Maria Fidela de Lima Navarro
56-month clinical performance of Class I and II resin composite restorations
Journal of Applied Oral Science
Clinical trial
Composite resins
Permanent dental restoration
title 56-month clinical performance of Class I and II resin composite restorations
title_full 56-month clinical performance of Class I and II resin composite restorations
title_fullStr 56-month clinical performance of Class I and II resin composite restorations
title_full_unstemmed 56-month clinical performance of Class I and II resin composite restorations
title_short 56-month clinical performance of Class I and II resin composite restorations
title_sort 56 month clinical performance of class i and ii resin composite restorations
topic Clinical trial
Composite resins
Permanent dental restoration
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-77572012000300005
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