The infant mouthpiece includes a U-shaped mouth mold for inserting into the mouth of the infant, wherein the mouth mold comprises a top, a bottom, a center, a distal end, a proximal end, and a plurality of ridges disposed along the top of the mouth mold. The infant mouthpiece further includes a female portion of a plug and a stopper, wherein the stopper comprises a proximal side, a distal side, and a center. The mouth mold, the stopper, and the female portion of the plug are connected such that the proximal end of the mouth mold is connected to the distal side of the stopper and the proximal side of the stopper is connected to the female portion of the plug.