Abstract
Objectives: This paper describes a school-based preventive dental program implemented in 14 rural schools within nine villages of Armenia. As part of the program, school-based toothbrushing stations (called Brushadromes) were installed in the participating schools. The intervention included school-based supervised toothbrushing with fluoride toothpaste and oral hygiene education.Methods: The study evaluates the prevalence and levels of dental caries among rural schoolchildren in 2013 (before the implementation of the preventive program, referred to as a pre-intervention group) and 2017 (4 years after the start of the program, referred to as an intervention group) in two randomly selected villages where the program was implemented. A repeated cross-sectional study design was used. The prevalence of caries and the number of decayed, missing, and filled teeth in permanent dentition (DMFT) and primary dentition (dmft) were recorded among 6–7 and 10–11-year-old schoolchildren in 2013 (n = 166) and 2017 (n = 148). The pre-intervention and intervention groups include different children in the same age range, from the same villages, examined at different time points. In both instances, they represented over 95% of the 6–7 and 10–11-year-old student populations of the studied villages. Pearson Chi-square, Fisher's Exact test, independent t-test, and quasi-likelihood Poisson regression were utilized for data analysis.Results: Schoolchildren involved in the intervention had significantly less decay levels compared to same-age pre-intervention groups. For 10–11-year-old schoolchildren involved in the program, the mean number of permanent teeth with caries was lower by a factor of 0.689 (lower by 31.1%), p = 0.008, 95% CI, 0.523; 0.902, compared to the 10–11-year-old pre-intervention group, after controlling for age, sex, child's socio-economic vulnerability status, the village of residence, and the number of permanent teeth with fillings.Conclusions: The study indicates a significantly lower level of caries among schoolchildren in the studied two villages where the intervention was implemented. The described intervention is particularly suitable in rural settings where water fluoridation is not available and homes have limited availability of running water.
Highlights
Dental caries remains one of the most prevalent chronic conditions among children in many countries [1, 2]
This paper presents a school-based preventive dental program implemented in nine villages within three provinces of Armenia
57% of the pre-intervention group was from Karakert and 43% from Lernagog village
Summary
Dental caries remains one of the most prevalent chronic conditions among children in many countries [1, 2]. The reported outcomes of dental caries and poor oral health in children are well-documented and range from serious health problems, such as dental abscess, to negative effects on nutrition, growth, and development, as well as children’s school performance [3, 4]. In the post-Soviet Republics, including Armenia, there has been very little data collected on the prevalence and levels of dental caries. A 2005 study conducted by the American University of Armenia reported an 86% prevalence of dental caries in a sample of 12 year-old schoolchildren in one of the provinces of Armenia [5]. The percentage of people in the country living below the state-defined poverty level was 25.7% in 2017 [9]
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