Significant Caries Index Evaluation of Dental Caries Among Preschool Children in Kathmandu
Introduction: Dental caries among preschool children is common but there is scarcity of updated data about its prevalence among Nepalese preschool children. This study was conducted to evaluate prevalence, significant caries index, caries pattern, restorative care index and disparity ratio among preschool children of Kathmandu aged 3-7 years
Methods: A cross sectional study was conducted on 1445 (828 males and 617 females) preschoolers (3-7 years old) in 17 preschools of Kathmandu following WHO criteria. Data were analysed using SPSS 20 and descriptive statistics was applied. Independent sample t test was used to find difference in values between selected groups. The level of significance was taken as p < 0.05.
Results: Prevalence of dental caries was 55.6% with a mean deft of 3.28 ± 3.581 and Significant Caries Index score was 7.439. Caries pattern showed the most commonly decayed teeth were mandibular primary second molars followed by maxillary anteriors. The least affected teeth were mandibular lateral incisors. The restorative care index was 7.32% in the total sample size and 2.86% in the SiC and disparity ratio was 2.26.
Conclusions: A high SiC Index indicated poor oral health status with considerably high dental caries experience and prevalence rate in preschool children of Kathmandu City identifying the need for more targeted efforts to reach children early.
Keywords: caries pattern; dental caries; Kathmandu; preschool; significant caries index
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