Orthodontic appliance

An orthodontic appliance for correcting malocclusion, comprising:

• a dental mouthpiece having an inner surface form corresponding to an alignment of teeth as a final target of an orthodontic treatment or a target in a course of an orthodontic treatment to provide an alignment part for applying a biasing force to the specified tooth;
• a load applying mechanism that abuts an inner side surface of the mouthpiece to apply a load for malocclusion correction to a specified tooth;
• a vibrating element adapted for insertion into a buccal cavity containing the teeth from the outside and adapted to apply a vibration force to a part of the mouthpiece;
• and
• a positioning portion provided on the mouthpiece and for determining a position where the vibrating element is to contact the mouthpiece, the positioning portion comprising a dent formed in the part of the mouthpiece and shaped to conform to the vibrating element such that the vibrating element is removably attached within the dent, the dent being provided in an outer side surface of the mouthpiece at a position corresponding to the specified tooth, and wherein the outer side surface is a facial surface.