Age-related changes in tooth enamel as measured by electron microscopy: Implications for porcelain laminate veneers

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dc.contributor.authorAtsu, Saadet Sağlam
dc.contributor.authorAka, P. Sema
dc.contributor.authorKüçükesmen, H. Cenker
dc.contributor.authorKilicarslan, Mehmet A.
dc.contributor.authorAtakan, Cemal
dc.date.accessioned2020-06-25T17:40:23Z
dc.date.available2020-06-25T17:40:23Z
dc.date.issued2005
dc.departmentKırıkkale Üniversitesi
dc.descriptionATAKAN, Cemal/0000-0001-6943-1675; Kilicarslan, Mehmet Ali/0000-0002-8619-957X
dc.description.abstractStatement of problem. Available information on the dimensions of the enamel and pulp tissues of tooth structure, as well as their correlation with chronologic age, is limited. However, this information is a significant determinate in planning the tooth reduction for a porcelain laminate veneer (PLV) restoration. Purpose. This study examined variations in tooth enamel thickness and its correlation with chronologic age as it relates to available tooth substrate for PLV restorations. Material and methods. Forty human maxillary central incisors extracted from patients within the age range of 30 to 69 years were used to evaluate the thickness of tooth layers. Measurements were made for the following tooth areas using scanning electron microscopy (SEM): facial enamel thickness at 1, 3, and 5 mm above the cemento-enamel junction (CEJ), palatal enamel thickness at 5 mm above the CEJ, facial and palatal enamel thickness at the incisal edge, maximum facial-palatal (MFP) width at incisal edge, physiologic secondary dentin (PSD) height, facial-cervical enamel-pulp (FCEP) distance, and the incisal edge enamel-pulp (IEP) distance. The relationship between thickness and age was evaluated with a regression analysis (alpha = .05). Results. Significant differences (P < .001) were observed in all of the relationships between tooth thicknesses and chronological age. Outcome variables of enamel thickness related to age showed a steady decrease, beginning at approximately age 50. Mean values of facial enamel thickness at 1, 3, and 5 mm above the CEJ were 0.31 +/- 0.01, 0.54 +/- 0.01, and 0.75 +/- 0.02 mm, respectively, for the age range of 30 to 69 years. The thickness of maximum incisal width (R-2 = 0.95), PSD height (R-2 = 0.76), and IEP distance (R-2 = 0.99) indicated that all are subject to an increase in relation to age. Conclusion. Facial enamel thickness above the CEJ decreases, while MFP increases in relation to age. The PSD height and IEP distance also increased with age.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1016/j.prosdent.2005.08.008
dc.identifier.endpage341en_US
dc.identifier.issn0022-3913
dc.identifier.issn1097-6841
dc.identifier.issue4en_US
dc.identifier.pmid16198170
dc.identifier.scopus2-s2.0-25844439367
dc.identifier.scopusqualityQ1
dc.identifier.startpage336en_US
dc.identifier.urihttps://doi.org/10.1016/j.prosdent.2005.08.008
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3421
dc.identifier.volume94en_US
dc.identifier.wosWOS:000232409900005
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherMosby-Elsevieren_US
dc.relation.ispartofJournal Of Prosthetic Dentistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.titleAge-related changes in tooth enamel as measured by electron microscopy: Implications for porcelain laminate veneersen_US
dc.typeArticle

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