| 英文摘要 |
Facial asymmetry is common in humans. Significant facial asymmetry causes both functional as well as esthetic problems. The etiologies of facial asymmetry include congenital disorders, acquired diseases, and traumatic and developmental deformities. The causes of many cases of developmental facial asymmetry are indistinct. The principle of facial asymmetry management would be correcting the underlying disorder. Orthognathic surgery is the first and better choice if face correction is the primary consideration. Camouflage orthodontic treatment was a non-invasive option for mild to moderate severity of asymmetry. We present a case with mandibular lateral displacement, transverse deficiency and facial asymmetry in a 19-year-old female. Camouflage orthodontic treatment was chosen by the patient and her family. Removable ball-type palatal expander with slow adjustment was delivered to correct bilateral posterior cross-bite and guided the maxilla for limited lateral expansion. Full mouth was bonded with Tip-Edge brackets and combined with asymmetry elastic for distalization of lower right molar and midline correction. Treatment outcome showed unilateral anterior cross-bite, bilateral posterior cross-bite, functional shift and midline deviation were corrected. Bilateral canine and molar class I relationship were achieved. Degree of facial asymmetry was also improved. The treatment result achieved was very satisfactory. Then the patient was referred to Department of Prosthetics for further prosthetic treatment. |
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