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Comparison of oral status in an adult population 35-75 year of age in the county of Dalarna, Sweden in 1983 and 2008
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Oral and Maxillofacial Surgery.
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2012 (English)In: Swedish Dental Journal, ISSN 0347-9994, Vol. 36, no 2, 61-70 p.Article in journal (Refereed) Published
Abstract [en]

The aim was to study the prevalence and distribution of number of teeth, number of intact and decayed teeth and prevalence and distribution of removable dentures and periodontal disease over 25 years 1983-2008. Two cross-sectional studies (EpiWux) were performed in the County of Dalarna, Sweden in 1983 and 2008. In the 1983 study a random sample of 1012 individuals were invited to participate in this epidemiological and clinical study and 1440 individuals in 2008. A total number of 1695 individuals, stratified into geographical areas (rural and urban areas), in the age groups 35, 50,65 and 75 answered a questionnaire and were also clinically and radiographically examined. The number of edentulous individuals decreased from 15% in 1983 to 3 % in 2008. Number of teeth increased from 22.7 in 1983 to 24.2 in 2008 and decayed surfaces per tooth showed a three-time reduction over this period of time. As a consequence of better oral status the prevalence of complete removable dentures in both jaws decreased from 15 % in 1983 to 2 % in 2008. Individuals with moderate periodontitis decreased from 45 % in 1983 to 16 % in 2008. Conclusion: Covering a period of 25 years the present study can report dramatic improvements in all aspects of dental status that were investigated. This is encouraging for dental care professionals, but will not necessarily lead to less demand for dental care in the future as the population is aging with a substantial increase in number of teeth.

Place, publisher, year, edition, pages
2012. Vol. 36, no 2, 61-70 p.
Keyword [en]
Periodontal disease, dental caries, epidemiology, edentulousness, removable dentures
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-213103ISI: 000327048700001PubMedID: 22876393OAI: oai:DiVA.org:uu-213103DiVA: diva2:681100
Available from: 2013-12-19 Created: 2013-12-18 Last updated: 2016-04-12Bibliographically approved
In thesis
1. Epidemiological studies of Oral Health, development and influencing factors in the county of Dalarna, Sweden 1983–2013
Open this publication in new window or tab >>Epidemiological studies of Oral Health, development and influencing factors in the county of Dalarna, Sweden 1983–2013
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The aim of this thesis is to describe the development of oral health and possible associations with socioeconomic and socio-behavioural factors, in an adult population over a period of 30 years. A further aim is to describe attitudes to, and demands of dental care, and the impact of oral conditions on quality of life.

The study sample consisted of 787-1158 individuals, aged between 35-85 years, randomly selected from Dalarna’s population register in 1982, 2002, 2007 and 2012. The studies were carried out in 1983, 2003, 2008 and 2013, and the participants responded to a questionnaire and a clinical examination of oral status.

There has been a substantial improvement in oral status in regard to the mean number of teeth, intact teeth, and less removable dentures over this period of 30 years. The proportion of individuals with alveolar bone loss decreased significantly between 1983 and 2008, but increased significantly between 2008 and 2013. Smoking was the overall strongest factor associated with alveolar bone loss, after adjustment for socioeconomic and socio-behaviour factors, age and number of teeth. Calculus, visible on radiographs, increased significantly between 2003 and 2013. The proportion of individuals with manifest caries declined significantly between 1983 and 2008, but seems to level out between 2008 and 2013. Socioeconomic and socio-behaviour factors were significantly associated with manifest caries. Preventive treatment, meeting the same caregiver as on previous visits, and information about treatment cost was reported to a significantly lower degree as important in 2013, compared with 2003 and 2008, and booking time for treatment was reported as more difficult in 2013, compared with earlier years. Regular recalls was reported as less important in 2013, compared with 2008. A third of the respondents reported oral impact on daily performance and irregular dental visits, limited economy for dental care, less than 20 remaining teeth, manifest caries and temporomandibular disorder were significantly associated with oral impact on daily performance.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2016. 55 p.
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 1651-6206 ; 1191
Periodontal disease, dental caries, epidemiology, edentulousness, removable dentures, smoking, socio-behavioural, socioeconomic, tobacco, oral health related quality of life
National Category
urn:nbn:se:uu:diva-280131 (URN)978-91-554-9501-5 (ISBN)
Public defence
2016-04-27, Föreläsningssalen, Falu lasarett, Falun, 10:00 (Swedish)
Available from: 2016-04-05 Created: 2016-03-08 Last updated: 2016-04-12

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Edman, KristinaHellberg, Dan
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Oral and Maxillofacial SurgeryObstetrics and GynaecologyCenter for Clinical Research Dalarna
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