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dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleRadiodensity and hardness of enamel and dentin of human and bovine teeth, varying bovine teeth agept_BR
dc.contributor.authorFonseca, RBpt_BR
dc.contributor.authorHaiter-Neto, Fpt_BR
dc.contributor.authorCarlo, HLpt_BR
dc.contributor.authorSoares, CJpt_BR
dc.contributor.authorSinhoreti, MACpt_BR
dc.contributor.authorPuppin-Rontani, RMpt_BR
dc.contributor.authorCorrer-Sobrinho, Lpt_BR
unicamp.author.emailrodrigogoiano@yahoo.compt_BR
unicamp.authorFonseca, R. B. Univ Estadual Londrina, Dept Restorat Dent, Hlth Sci Ctr, BR-86020120 Londrina, PR, Brazilpt_BR
unicamp.authorFonseca, R. B. Carlo, H. L. Sinhoreti, M. A. C. Puppin-Rontani, R. M. Correr-Sobrinho, L. Univ Estadual Campinas, Piracicaba Dent Sch, Dent Mat Area, Dept Operat Dent, BR-13414903 Piracicaba, SP, Brazilpt_BR
unicamp.authorSoares, C. J. Univ Fed Uberlandia, Sch Dent, Dept Operat Dent, BR-38400902 Uberlandia, MG, Brazilpt_BR
unicamp.authorHaiter-Neto, F. Univ Estadual Campinas, Piracicaba Dent Sch, Dept Oral Radiol, BR-13414903 Piracicaba, SP, Brazilpt_BR
dc.subjectRadiodensitypt_BR
dc.subjectKnoop hardnesspt_BR
dc.subjectEnamelpt_BR
dc.subjectDentinpt_BR
dc.subjectBovinept_BR
dc.subjectHumanpt_BR
dc.subject.wosMechanical-propertiespt_BR
dc.subject.wosElastic Propertiespt_BR
dc.subject.wosYoungs Moduluspt_BR
dc.subject.wosBond Strengthpt_BR
dc.subject.wosTooth Enamelpt_BR
dc.subject.wosMicrohardnesspt_BR
dc.subject.wosOrientationpt_BR
dc.subject.wosCollagenpt_BR
dc.subject.wosTubulespt_BR
dc.subject.wosCariespt_BR
dc.description.abstractStudies have evaluated dental hard tissues characteristics from animal species in order to be used as a substitute for human teeth. The aim of this study was to evaluate the radiodensity and hardness of human and bovine enamel and dentin, varying bovine teeth age. Five specimens (1 mm thick) were obtained from animals aged 20 (B20), 30 (B30), 38 (B38) and 48 (B48) months and from 20 to 30-years-old human third molars (H). The radiographic images were taken with a phosphor plaque digital system (Digora Optime). The radiodensity was obtained and Knoop hardness (KHN) was recorded (100 g for 15 s-5 indentations per specimen). Data were analyzed by one-way ANOVA following Tukey's HSD test and Dunnet's two-sided t-test. Radiodensity was similar within enamel groups, but bovine dentin presented higher radiodensity than human one regardless of age groups. Enamel-KHN showed differences between B20-B30 and B38-B48-H, and dentin-KHN was similar within all groups. Enamel was always more radiodense than dentin and also presented higher KHN (p = 0.001). The use of bovine enamel or dentin should take into consideration the teeth age, but as a general rule it should be recommended to select older bovine teeth due to better chances to find greater similarity with human teeth. (C) 2008 Elsevier Ltd. All rights reserved.pt
dc.relation.ispartofArchives Of Oral Biologypt_BR
dc.relation.ispartofabbreviationArch. Oral Biol.pt_BR
dc.publisher.cityOxfordpt_BR
dc.publisher.countryInglaterrapt_BR
dc.publisherPergamon-elsevier Science Ltdpt_BR
dc.date.issued2008pt_BR
dc.date.monthofcirculationNOVpt_BR
dc.identifier.citationArchives Of Oral Biology. Pergamon-elsevier Science Ltd, v. 53, n. 11, n. 1023, n. 1029, 2008.pt_BR
dc.language.isoenpt_BR
dc.description.volume53pt_BR
dc.description.issuenumber11pt_BR
dc.description.firstpage1023pt_BR
dc.description.lastpage1029pt_BR
dc.rightsfechadopt_BR
dc.rights.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policypt_BR
dc.sourceWeb of Sciencept_BR
dc.identifier.issn0003-9969pt_BR
dc.identifier.wosidWOS:000260126700004pt_BR
dc.identifier.doi10.1016/j.archoralbio.2008.06.012pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsorship1Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.date.available2014-07-30T14:19:17Z
dc.date.available2015-11-26T17:39:12Z-
dc.date.accessioned2014-07-30T14:19:17Z
dc.date.accessioned2015-11-26T17:39:12Z-
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dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/58799
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/58799-
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