Protraction facial mask in early treatment of class III malocclusion

Abstract

Summary: Treatment of mild to moderate maloclussion class III with protraction facial maskcould reduce the need of orthognatic surgery at all or reduce the size of the orthognatic surgicalintervention. Objetive: To evaluate the effect of early treatment with facial mask in angle classIII patients. Methods: Two class III patientes were estudied beinf treated with facial masthe firstpatient used the facial mask 12 hours at day 3 months periods then the patient was switched todental orthopedic treatment controlled by Rx lateral perfilogram . The second patient used facialmask 6 months ,then switched to dental orthopedic treatment 3 years.The patients were controleduntil patients were 14 years old. Discussion: This serie of 2 case reports reveal that the use of aprotactil facial mask is favourable ro treat patients suffering class III maloclussions. Theskeletal facial changes were positively significant in those patients according to the datadetectable changes of maxillar and mandibular bone size and the cefalometric points a and b thatoclussal plane. In follow up studies ,it and determend that even after reach the patients 18 yearsof age, 67% of the patients were in normal oclussion even longer than 8 years after treatment.Thisresuet indicates that only on third of the ortonagte surgeris may be truly needed to the treatmentof ,class III dental. Key words: Class III maloclussion. Facial mask. Early dentaltreatment.