There is described an oral device for augmenting a user's lip. The oral device includes an arcuate body formed such that a shape of the arcuate body is a cast of a shape of at least a portion of a gum of a user. The body has a height such that, when the body is positioned against the at least a portion of the gum, the body does not overlap with at least part of a visible portion of at least one of the user's teeth. The oral device may include retaining members for retaining the oral device in the user's mouth. The oral device may be printed using a 3D printer.
