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Development of Horizontal Tooth Wear in Maxillary Anterior Teeth from Five to 18 Years of Age

Department of Pedodontics and Orthodontics, University of Helsinki, Mannerheimintie 172, SF-00300 Helsinki, Finland

M. Könönen

Department of Prosthetic Dentistry, University of Helsinki, Mannerheimintie 172, SF-00300 Helsinki, Finland

S. Alaluusua

Department of Pedodontics and Orthodontics, University of Helsinki, Mannerheimintie 172, SF-00300 Helsinki, Finland

M. Evalahti

Department of Pedodontics and Orthodontics, University of Helsinki, Mannerheimintie 172, SF-00300 Helsinki, Finland

J. Vartiovaara

Institute of Forensic Medicine, University of Helsinki, Kytosuontie 11, SF-00300 Helsinki, Finland

Sizes of horizontal wear facets of maxillary anterior teeth were studied longitudinally from the primary dentition at age five to the young adult dentition at the age of 18 years. By a planimetric method, we calculated the wear areas on dental casts taken at the ages of five, ten, 14, and 18 years from the dentition of 39 healthy, orthodontically untreated subjects with good morphological occlusion. For young adults, we also studied the association between the amount of wear and reported parafunctions, maximal bite force, salivary buffer capacity, salivary flow rate, and some cephalometric variables.

Size of wear facets on all anterior teeth increased with age. Significant correlations were found between the total wear areas of the six anterior primary teeth at five years of age and those of their permanent successors at age 14 (r = 0.44) and 18 (r = 0.39). For an individual, tooth wear at five years of age was, however, of low predictive value for tooth wear in young adulthood, whereas tooth wear at 14 years of age predicted it well (r = 0.89). Highest correlations between tooth wear and background factors at 18 years of age were found for maximal anterior bite force (r = 0.44) and for the size of the gonial angle (r = -0.31). Wear of anterior teeth was not associated with reported parafunctions in young adulthood.

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Journal of Dental Research, Vol. 69, No. 11, 1765-1770 (1990)
DOI: 10.1177/00220345900690111101


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This Article Abstract Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Add to Saved Citations Download to citation manager Request Permissions Request Reprints Add to My Marked Citations Citing Articles Citing Articles via Google Scholar Citing Articles via Scopus Google Scholar Articles by Nystrom, M. Articles by Vartiovaara, J. Search for Related Content PubMed PubMed Citation Articles by Nystrom, M. Articles by Vartiovaara, J. Social Bookmarking                         What's this?