Investigation Of Dental Health Status Among6-8Year-old School Children In Guangzhou Baiyun District

BackgroundDental caries is a very common oral diseases and one of the main diseases of affecting the health of children, e World Health Organization considers caries as one of the major diseases cardiovascular diseases, cancer, dental caries) of human kind. The third national oral health Epidemiological investigation shows that the prevalence of primary tooth in5-year-old is66%,96.7%are untreated caries. Prevalence of permanent tooth in12-year-old is28.9%,88.8%are untreated caries, which indicate high percentage of caries and low percentage of treated caries. Children between6-8with mixed dentition and prevalence of primary tooth caries is decreasing because of the losing of primary tooth. Though prevalence of permanent tooth is relatively low, but it will increase as the child grows. Primary tooth caries is the risk factor of permanent tooth caries. It’s important to educate those children and their parents with oral health knowledge and provide sealant or fluoride.ObjectivesTo investigate the prevalence of caries in children aged6-8in urban and rural areas in Guangzhou Baiyun District and analysis disease-related factors for the prevention and treatment of caries in this area.Materials and Methodologies:According to n=K*Q/P and the survey of the third national oral health epidemiology, total of267second grade students of6-8years old from5-8primary schools and surveying their oral health and caries and personal basic situation, behavior habit, oral health knowledge of parents, as well as analysis statistical data.Results1. In the oral checks of all children, the caries prevalence rate of primary tooth is88.5%, prevalence rate of first molar is14.4%, as the age increases, the caries prevalence rate of first molar is upward trend.2. The statistical test:Children who drinking soda frequently, breeding methods within4month after born and so on is the important factors of the caries incidence (p<0.10). There are not significant difference among whether or not parents suffering caries, family income and parents educational level and so on (p>0.10).Conclusions1. Caries rate of children in Guangzhou Baiyun Rural-Urban Fringe is88.5%. Because parents have a misunderstanding that sooner or later the permanent teeth will replace the primary teeth which lead to low filling rate of primary tooth caries.2. The results show that caries can be treated and prevented and relevant government department should be advised to take epidemiological investigation of caries in their region and provide free oral health education to parents and children.