Long-term efficacy of an oral health promotion program in the prevention of early childhood caries.

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The aim of the project is to test the long-term efficacy of oral health promotion program, the purpose of which is to lower the prevalence of tooth decay among young children. Tooth decay affects approximately 1 in 6 children by age of 3 years and 1 in 2 children by age of 5 years. The disease negatively influences all aspects of quality of life of child. Tooth decay is associated with infection, pain, and frequent hospitalisation. The proposed project is a follow-up of an randomised controlled trial (RCT), which started with enrolment of pregnant women. They were randomised into the test and control groups. Mothers in test group received 3 round of preventive oral health information in the form of anticipatory guidance, the first round at enrolment, the second and third at 6, 12 months of age of child respectively. The information was mailed to their home address. All children were examined at age of 20 months of age. The children in the test group had lower prevalence of tooth decay compared to children in control group, (test group 1,7%, control group 9.6%). While the oral health information was effective in preventing decay at 20 months, longer-term follow-up is highly desirable. Therefore, we plan to follow-up the oral health of the children at 5 - 6 years old. It is anticipated, that 75% mothers from the trial will be contactable and will continue with their participation in the study. A third comparative group of children at the same age will be drawn from database of the South Australian School Dental Services to check if the children in the trial are representative of all SA school children. All children will be examined by dentists or school dental therapists after they enter school. The prevalence of the tooth decay and its mangement will be examined and compared among children from test and control groups and children from community.