JOURNAL ARTICLE
REVIEW
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What are the prevalence and incidence of tooth loss in the adult and elderly population in Europe?

OBJECTIVE: The purpose of this review was to study the prevalence and incidence of edentulism and tooth loss in European countries.

MATERIAL AND METHOD: A literature search was performed by means of Medline/PubMed using various combinations of keywords concerning prevalence and incidence of tooth loss and edentulism, complemented by a hand search. Inclusion criteria were cross-sectional and longitudinal clinical and questionnaire studies of representative or random samples of >/=100 subjects at the initial examination. Sixty articles were identified; the hand search gave 13 more references.

RESULTS: This literature review demonstrated that there is a lack of epidemiological studies on edentulism and tooth loss in many countries in Europe. The quality of available data varied considerably. There is a documented decline of edentulism with still great differences in prevalence between countries, between geographical regions within countries and between groups with various backgrounds. The mean number of lost teeth increases with age. In several countries many dentate subjects aged 60 years and over still have reduced dentitions possibly needing prosthodontic treatment. The incidence of tooth loss is low but with geographical variation between age groups, and there is a trend for decreasing incidence over the last decades. A great number of variables are associated with tooth loss, and there is no consensus whether dental disease related or socio-behavioural factors are the most important risk factors. Institutionalised elderly people have, in general, more compromised oral health, including fewer teeth, than those at the same age living freely.

CONCLUSION: Tooth loss and edentulism are declining at least in those European countries where reliable data are available. However, the WHO goal of retaining at least 20 teeth at the age of 80 years has not yet been met but is being approached in some countries.

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