| Influence of calcium hydroxide intracanal medication on bond strength of two endodontic resin-based sealers assessed by micropush-out test. | |
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MedLine Citation:
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PMID: 22236169 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Abstract - Aim: To evaluate the influence of calcium hydroxide (CH) paste used as intracanal medication on the bond strength of AH Plus (AH) and Epiphany (EP) sealers to root dentin. Methodology: Sixty palatal canals were prepared in human maxillary first molars, using a rotary system. Half of the specimens received distilled water, and the other ones received intracanal medication with CH for 14 days. Thereafter, the CH was removed and both groups were further divided into two subgroups, filled with either AH or EP. The test specimens were submitted to the micropush-out test at a speed of 0.5 mm min(-1) . Results were statistically analyzed with anova and Tukey's test at a 95% confidence level. Results: The use of CH had statistically significant (P < 0.05) influence on AH only, increasing its bond strength from 19.7 ± 4.5 to 23.8 ± 2.5 (mean ± SD in MPa). In both EP groups, with (1.8 ± 0.5 MPa) and without (1.5 ± 0.9 MPa) CH, the bond strength values were statistically significantly lower than in either of the AH groups (P < 0.05). Conclusion: Calcium hydroxide used as intracanal medication for 14 days had a positive influence on the bond strength of AH to root dentin whereas the effect on EP was insignificant. Regardless of the intracanal medication used, AH showed considerably higher bond strength values compared with EP sealer. |
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Authors:
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Ceci Nunes Carvalho; Jose Bauer; Patricia Helena Pereira Ferrari; Soraia Fatima Carvalho Souza; Silvio Peixoto Soares; Alessandro Dourado Loguercio; Antonio Carlos Bombana |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-12 |
Journal Detail:
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Title: Dental traumatology : official publication of International Association for Dental Traumatology Volume: - ISSN: 1600-9657 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101091305 Medline TA: Dent Traumatol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 John Wiley & Sons A/S. |
Affiliation:
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Discipline of Endodontics, Department of Esthetic Dentistry, School of Dentistry, Universidade de São Paulo, São Paulo Dental Materials Department, School of Dentistry, University Federal of Maranhão (UFMA), São Luis, Maranhão Department of Restorative Dentistry, Universidade Estadual de Ponta Grossa, Ponta Grossa, Parana, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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