The present invention relates to method for treating or preventing tooth decay, gum disease or sensitive teeth and to compositions, devices and kits for use in this method. The method comprises the application of an oral care composition to the gum and teeth of an individual using an applicator. In the method, there is a contact time between the oral care composition and the gum and teeth of at least 5 minutes. The applicator is preferably removed directly after application of the oral composition.