seven studies indicated no relationship between prevented fraction and study precision. In both methods, power is limited when only a few trials are included Petersson , Systematic Preventive The results displayed Average prevented +/- Include LG et al, 2004 review fraction limited evidence for fraction 30% (0-60%) randomised and expressed the caries preventive when compared with Professional controlled clinical as effect of topical untreated controls, trials of percentage applications of fluoride limited poor quality fluoride varnish professional varnishes in studies. fluoride varnish permanent Three trials in high risk treatments. groups did not 24/302 papers The review reinforces demonstrate significant included the need for future caries reduction. clinical research of Inconclusive evidence high quality was found for fluoride varnish in primary dentition or in adults Marinho,VCC Systematic Prevented Topical fluorides 11/12 included +/- Include et al, 2009 Review and Fraction % (mouthrinses, gels, or studies contributed Meta-analysis varnishes) used in
seven studies indicated no relationship between prevented fraction and study precision. In both methods, power is limited when only a few trials are included Petersson , LG et al, 2004 Professional fluoride varnish Systematic review randomised and controlled clinical trials of professional fluoride varnish treatments. 24/302 papers included Preventive fraction expressed as percentage The results displayed limited evidence for the caries preventive effect of topical applications of fluoride varnishes in permanent The review reinforces the need for future clinical research of high quality Average prevented fraction 30% (0-60%) when compared with untreated controls, limited poor quality studies. Three trials in high risk groups did not demonstrate significant caries reduction. Inconclusive evidence was found for fluoride varnish in primary dentition or in adults +/- Include Marinho,VCC et al, 2009 Systematic Review and Meta-analysis Prevented Fraction % Topical fluorides (mouthrinses, gels, or varnishes) used in 11/12 included studies contributed +/- Include
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