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. 2016 Jul 4;17(1):6.
doi: 10.1186/s12903-016-0232-x.

Association of erosive tooth wear and dental caries in Northern Finland Birth Cohort 1966 - an epidemiological cross-sectional study

Viivi Alaraudanjoki  1   2 , Marja-Liisa Laitala  3 , Leo Tjäderhane  3   4   5 , Paula Pesonen  4   6 , Adrian Lussi  7 , Vuokko Anttonen  3   4
Affiliations

Association of erosive tooth wear and dental caries in Northern Finland Birth Cohort 1966 - an epidemiological cross-sectional study

Viivi Alaraudanjoki et al. BMC Oral Health. .

Abstract

Background: The main aim of this cross-sectional study was to investigate the prevalence and severity of erosive tooth wear and its association with dental caries and socio-demographic factors among middle-aged Finnish adults.

Methods: Of the total Northern Finland Birth Cohort 1966 (n = 12,058), a convenience sample (n = 3181 adults) was invited for an oral health examination of which 1962 (61.7 %) participated, comprising the final study group. Clinical examinations were carried out by trained and calibrated dentists. Erosive tooth wear was assessed by sextants using the Basic Erosive Wear Examination Index (BEWE, 0-18) and dental caries at surface level using the ICDAS criteria (0-6). Socio-demographic data were obtained from a postal questionnaire. A logistic regression model was generated to test the association of the variables.

Results: The prevalence of erosive tooth wear was 75 % and the mean of the BEWE sum score was 3.4 (SD 3.30). Almost half of the members needed non-invasive or invasive measures to prevent further progression of the condition. Of those with erosive lesions, 14.6 % suffered from severe erosive tooth wear. There was a strong positive relationship between the presence of severe erosive tooth wear (BEWE sum score ≥9) and male gender and restorative treatment need.

Conclusions: Erosive tooth wear is a common finding in Finnish adult population; almost one in ten suffer from severe erosive tooth wear. Restorative treatment need seems to be associated with severe erosive tooth wear.

Keywords: Dental caries; Epidemiologic; Erosion; Middle-aged.

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