International dental journal · 2024
Dental Caries and Associated Factors in Tibetan School-Age Children in Gannan, China.
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Li Ting, Ma Li, Yan Yuxing, Liu Rong, Sun Xiaolan, Yang Yao, Luo Genhui, Tan Shilei, Zhang Xiao, Yang Yi, Zhang Benzhong, Wang Xiaoxia
Аннотация
OBJECTIVES: Data on the oral health status in the Qinghai-Tibetan Plateau are limited. This study aimed to investigate the dental caries status and identify associated risk factors among 8- to 12-year-old children in Gannan, a Tibetan Autonomous Prefecture in Northwest China.
METHODS: The study population was recruited using a multistage stratified random sampling procedure. Caries status was assessed by clinical oral examination and indicated by the decayed, missing, and filled teeth (DMFT/dmft) index. Information on sociodemographic characteristics, oral hygiene behaviours, and dietary habits was collected using a comprehensive structured questionnaire. Statistical analyses, including the chi-square test and a two-level logistic regression model, were conducted to examine the risk factors associated with dental caries.
RESULTS: A total of 1024 Tibetan children were examined, revealing a dental caries prevalence rate of 89.55%, with a mean DMFT/dmft index of 4.25 ± 3.27. The two-level logistic regression model showed that initiating tooth brushing at four to 5 years old (OR = 2.295, 95% CI 1.053-5.002) and frequent dessert and candy intake (OR = 2.655, 95% CI 1.216-5.794) were risk factors for dental caries. Conversely, being 11 years (OR = 0.399, 95% CI 0.177-0.904) or 12 years old (OR = 0.396, 95% CI 0.163-0.961) and if the father's education level was high school or above (OR = 0.311, 95% CI 0.098-0.986) were indicated to be protective factors against dental caries.
CONCLUSIONS: The prevalence of dental caries was high in Tibetan children aged 8 to 12year-old in Gannan. Therefore, it is imperative to prioritize comprehensive home- and school-based interventions to improve the oral health of this population.
METHODS: The study population was recruited using a multistage stratified random sampling procedure. Caries status was assessed by clinical oral examination and indicated by the decayed, missing, and filled teeth (DMFT/dmft) index. Information on sociodemographic characteristics, oral hygiene behaviours, and dietary habits was collected using a comprehensive structured questionnaire. Statistical analyses, including the chi-square test and a two-level logistic regression model, were conducted to examine the risk factors associated with dental caries.
RESULTS: A total of 1024 Tibetan children were examined, revealing a dental caries prevalence rate of 89.55%, with a mean DMFT/dmft index of 4.25 ± 3.27. The two-level logistic regression model showed that initiating tooth brushing at four to 5 years old (OR = 2.295, 95% CI 1.053-5.002) and frequent dessert and candy intake (OR = 2.655, 95% CI 1.216-5.794) were risk factors for dental caries. Conversely, being 11 years (OR = 0.399, 95% CI 0.177-0.904) or 12 years old (OR = 0.396, 95% CI 0.163-0.961) and if the father's education level was high school or above (OR = 0.311, 95% CI 0.098-0.986) were indicated to be protective factors against dental caries.
CONCLUSIONS: The prevalence of dental caries was high in Tibetan children aged 8 to 12year-old in Gannan. Therefore, it is imperative to prioritize comprehensive home- and school-based interventions to improve the oral health of this population.