Fluoride varnish has been shown to reduce dental caries when used as an addition to fluoride toothpaste(1). Evidence based guidelines in England recommend the application of fluoride varnish between two and four times annually in all children over three-years-old and twice annually in adults at risk of developing caries(2).
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Combinations of topical fluoride (toothpastes, mouthrinses, gels, varnishes) versus single topical fluoride for preventing dental caries in children and adolescents (Review)
