Volume 30, Number 2 (8-2017)                   jdm 2017, 30(2): 97-103 | Back to browse issues page


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Asgari I, Ghanea N. The association between caries in primary teeth and permanent molars' health in 9 years old children. jdm. 2017; 30 (2) :97-103
URL: http://jdm.tums.ac.ir/article-1-5639-en.html

1- Assistant Professor, Department of Public Oral Health, School of Dentistry, Isfahan University of Medical Sciences, Iran; Member of Dental Material Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
2- Dentist, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract:   (512 Views)

Background and Aims: First molar has an important role at individual’s dental health. Among the known risk factors, the experience of previous caries is of the best predictors for future caries. The aim of this study was to examine the association of primary teeth caries and other risk factors with the incidence of permanent teeth caries by considering the caries extent and severity.
Materials and Methods: This case-control study was done on 150 students from second and third grade with 9 years old. Cases included children with at least one carious permanent molar. Caries-free students who were matched based on the gender and mother education was considered as control group. Examination was done on dental unit under the unit light with blunt explorer and mirror for visual assessment. DMFT, dmft and caries severity (D1-D3) were recorded based on WHO standards. Data were calculated using SPSS18, Correlation, Chi Square Analysis, Odds ratio and Logistic regression.
Results: Linear correlation between dmft in primary teeth and DMFT in permanent molars was obtained with r:0.34 (P<0.001). Decay in permanent molars in students with active caries in primary molars was 3.3 times more probable than others. In regression model, the other risk factors such as cariogenic diet, mother`s education, brushing with toothpaste, flossing, using flouride, and regular dental visiting were not significant (P>0.05).
Conclusion: Caries-free primary teeth predicts permanent teeth without decay with a high possibility. It could be helpful in caries risk assessments.
 
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Type of Study: Research | Subject: general
Received: 2017/08/13 | Accepted: 2017/08/13 | Published: 2017/08/13

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