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Background: We present results of the development and feasibility testing of CATCH Healthy Smiles, a school-based oral health program, among children in grades K-2 in Houston, Texas. Methods: Study design was cross-sectional (N = 2 schools; N = 125 parent-child dyads; 31 kindergarteners, 42 first graders, and 52 second graders). CATCH Healthy Smiles program was implemented by trained school teachers in the 2016-2017 school year. Trained dentists conducted dental assessments to measure dental caries increment score (d3mfs). Parent-reported 24-hour dietary recalls and surveys assessed child and parent behavioral, environmental, and psychosocial factors. Logistic regression analysis assessed factors associated with caries experience adjusting for covariates. Results: Of the 113 children with complete dental assessments, 54% children in grade K, 62% in first grade, and 73% in second grade had caries experience. Children with caries experience had a higher body weight (AdjOR = 1.13, 95% confidence interval [CI]: 1.02-1.29), were less likely to be girls (AdjOR = 0.22, 95% CI: 0.05-0.82), had greater odds of difficulty drinking hot or cold beverages because of dental problems (AdjOR = 13.13, 95% CI: 1.09-275.14), greater frequency of consuming sugar-sweetened beverages (AdjOR = 11.53, 95% CI: 2.10-87.19), greater odds of receiving government assistance (AdjOR = 14.62, 95% CI: 2.74-119.81), and lower odds of seeing a dental provider (AdjOR = 0.11, 95% CI: 0.02-0.45). Process evaluation showed that 100% of the CATCH Healthy Smiles lessons and activities were taught in the two schools with a high degree of program fidelity and acceptability across the schools, children, and parents. Conclusions: These data will be used to conduct a subsequent fully powered cluster randomized controlled trial.

Aim: Australian pre-school children living in rural areas experience higher levels of dental caries than those in metropolitan areas. This may be because of a lack of community water fluoridation. The aim of this study was to evaluate the effectiveness of a community-based intervention to improve the oral health of children in non-fluoridated rural Victoria, Australia., Methods: The study was conducted across three local government areas in Victoria, with two receiving the intervention and one remaining with standard care. Although multifaceted, the primary strategy of the intervention was the promotion of early exposure to fluoridated toothpaste, including the distribution, by maternal and child health nurses (MCHNs), of an oral health starter kit including toothpaste, toothbrush and information to parents at their child's 7-8-month health check. Children were followed up annually to the age of three., Results: Infants in the intervention arm experienced less caries (cavitated and pre-cavitated lesions included) than infants in the control arm at the first and second examinations (3.1% with caries in the intervention vs. 6.9% in the control group at exam 1 (adjusted P= 0.07) and 10.8% vs. 19.5% at exam 2 (adjusted P= 0.11), respectively). However potential benefits disappeared at the third examination (29.5% vs. 28.9%, adjusted P= 0.67)., Conclusions: This study suggests that an oral health promotion intervention delivered via local MCHNs promoting early exposure to fluoride may be successful in reducing caries in the second year of life but less so in older children when participants have less contact with MCHNs., (© 2011 The Authors. Journal of Paediatrics and Child Health © 2011 Paediatrics and Child Health Division (Royal Australasian College of Physicians).)