Dental caries and associated factors in 7‐, 12‐ and 15‐year‐old schoolchildren in the canton of Basel‐Landschaft, Switzerland: Changes in caries experience from 1992 to 2021

Background Epidemiological surveys in schoolchildren are used to assess the current status of oral health. Aim To investigate the changes in caries experience among schoolchildren in the canton of Basel‐Landschaft, Switzerland, over a period of three decades. Secondary objectives were to evaluate th...

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Published in:International journal of paediatric dentistry 2024-03, Vol.34 (2), p.169-178
Main Authors: Grieshaber, Andreina, Waltimo, Tuomas, Haschemi, Asin Ahmad, Bornstein, Michael Marc, Kulik, Eva Maria
Format: Article
Language:English
Subjects:
Age groups
caries
Children
Childrens health
Dental caries
Dental health
Dental hygiene
Disease prevention
Epidemiology
Health risks
Hygiene
Oral hygiene
Orthodontics
prevalence
Prophylaxis
public oral health
Regression analysis
Risk groups
Statistical sampling
Teeth
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Summary:Background Epidemiological surveys in schoolchildren are used to assess the current status of oral health. Aim To investigate the changes in caries experience among schoolchildren in the canton of Basel‐Landschaft, Switzerland, over a period of three decades. Secondary objectives were to evaluate the impact of various personal and demographic factors such as age group, place of residence or dental hygiene awareness on caries prevalence as well as the history of orthodontic treatment in the year 2021. Design A random sampling of school classes from first, sixth and ninth grades, that is schoolchildren aged 7, 12 and 15 years, was performed. Children's dmft and DMFT scores were determined according to the WHO methodology while information on oral hygiene habits and dental prophylaxis awareness was collected by means of a questionnaire directed to the legal guardians of the children. Individual logistic regressions were performed to identify possible influencing factors for caries. Results A total of 1357 schoolchildren could be included in the study. In the year 2021, the youngest age group had an average of 0.68 primary teeth that needed treatment, whereas the 12‐ and 15‐year‐olds each had approximately 0.3 permanent teeth requiring treatment. While these numbers remained constant over the examination period of three decades, most of the other caries indices improved. Younger children (p = .001) and children with a migrant background (p 
ISSN:0960-7439
1365-263X
DOI:10.1111/ipd.13122