Abstract
The aims of this study were to assess the trends in dental caries experience in the permanent dentition (i.e., the number of decayed, missing, or filled teeth, DMFT) in Germany from 1997–2014 and to project caries experience to 2030. Components of caries experience (decayed teeth, DT, missing teeth, MT, filled teeth, FT) from repeated waves (1997, 2005, 2014) of the nationally representative German Oral Health Studies were analyzed in 12-, 35–44-, and 65–74-year-olds. Weighted means were interpolated cross-sectionally by fitting piecewise-cubic spline-curves and were then subjected to longitudinal regression and combined with population estimates. In 1997, children (12-year-olds) had a mean caries experience (decayed, missing, filled teeth, DMFT) of 1.7 teeth; this experience decreased to 0.5 teeth in 2014. For 2030, an experience of 0.2 teeth is projected. In adults (35–44-year-olds), a decrease was recorded (1997: 16.1 teeth; 2014: 11.2 teeth). This decrease is expected to continue until 2030 (to 7.7 teeth). Similarly, in seniors (65–74-year-olds), a decrease was recorded (1997: 23.6 teeth; 2014: 17.7 teeth); this decrease is expected to continue until 2030 (to 14.9 teeth). While the number of missing teeth has decreased consistently across age groups, the number of filled and decayed teeth has increased in seniors and is expected to continue to increase. The cumulative caries experience has decreased from 1.1 billion DMFT in 2000 to 867 million in 2015 and is expected to decrease to 740 million in 2030. Caries experience in the permanent dentition has been decreasing substantially, mainly due to a decrease in missing teeth. Younger age groups also show fewer decayed and filled teeth, while in older groups, restorative needs have not decreased, as more teeth are retained. Concepts for addressing the emanating morbidity shifts are required.
Highlights
The latest caries epidemiological data from Germany indicate a sustainable decline in caries experience in younger age groups, which is in line with data from other countries[12]
Data were obtained from a repeated cross-sectional oral epidemiological survey, originally started in 1989 in Germany, called the German Oral Health Study (Deutsche Mundgesundheitsstudie, DMS)
Tooth loss has declined, as it is the major contributor to an overall decrease in caries experience
Summary
The latest caries epidemiological data from Germany indicate a sustainable decline in caries experience in younger age groups, which is in line with data from other countries[12]. With more teeth retained in this growing age group, the absolute number of teeth at risk for dental caries is increasing as well. Both the morbidity and demographic dynamics of caries will have a significant impact on future treatment needs. Evaluating time trends and projecting future caries experience is relevant for clinicians and for resource allocation. The aims of this study were to assess dental caries trends in the permanent dentition in Germany and to project caries experience to 2030
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