Nghiên cứu bước đầu điều trị cười hở lợi bằng phẫu thuật hạ thấp môi

Cosmetically acceptable smiles show a gingival display of up to 3 mm. Gingival display of greater than 3 mm results in a gummy smile which is often unsightly for the individual and correction is sought. There are a variety of procedures used for gummy smile treatment, for example: surgical crown lengthening, lefort I impaction, lip repositionning. With the results of lip repsitioning on the 5 patients with 1 year follow - up showed relatively good results.