Patent attributes
An orthodontic appliance for movably disposed inside dental patient's mouth. The dental patient's mouth has a maxillary dental arch, a mandibular dental arch, and defines a lingual side, a labial side, and a buccal side. The orthodontic appliance has a hard maxillary retainer corresponding to patient's upper jaw, a hard mandibular retainer corresponding to patient's lower jaw, and a soft retainer rigidly attached to the hard maxillary retainer and hard mandibular retainer. The hard maxillary retainer and hard mandibular retainer can be prefabricated according to expected Cusp-to-Fossa Relationship of dental patient, and then be manufactured in an injection mold. The orthodontic appliance can have function to treat teeth deviation, dislocation, malocclusion, or teeth unmatch.