The topical application of fluoride is generally recommended as a preventive procedure for both children (till 18 years as the tooth is porous and more prone to develop decay) and adults who are “at-risk or have multiple decay” to prevent or withhold the spread of early caries. Therefore, the code can reflect coverage of pediatric and adults use of topical fluoride.
D1208: Topical application of fluoride excluding varnish. This code is used for a process that involves application of fluoride via foam or gel placed in disposable tray generally made of styroform.