This invention relates to a dental apparatus to retract pre-maxilla in bilateral cleft lip and in particular, this invention relates to a dental apparatus to retract pre-maxilla in bilateral cleft lip which makes reposition the shifted pre-maxilla for retraction with pre-surgical infant orthopedics, reducing tissue tension. More particularly, this present invention relates to the dental apparatus to retract pre- maxilla in bilateral cleft lip is a custom-made intraoral device introduced to retract pre-maxilla in bilateral cleft patients. Furthermore, this invention also relates to the dental apparatus to retract pre-maxilla in bilateral cleft lip which has the advantages of reasonable structure, easy to fabricate, simplified technology reduced risk of traumatic complications improved esthetic effect and the safety of clinic operation is strengthened, and work efficiency is improved.
