A device that may be placed on a fingertip for treating an oral cavity. The device may be made from a material comprised of at least one ingredient for treating an oral cavity. Examples of ingredients for treating an oral cavity include abrasives, cavity prevention ingredients, medicinal ingredients (e.g., antiseptics, fungicides, and anesthetics), odor absorbing ingredients, tartar control ingredients, plaque control ingredients, tooth whitening ingredients, ingredients adapted to provide relief from hypersensitivity, and other cleaning ingredients and dentifrices. The device may be dissolvable and edible. Furthermore, some or all of the ingredients may be digestible. For example, the device may be primarily or entirely made of ingredients that are digestible.
