Treatment of Altered Passive Eruption Type 1B: A Case Report

Background: The appearance of the gingival tissue around the teeth plays an important role for the aesthetics. Abnormalities in symmetry and contour of gingival tissue affects the harmonization of the teeth’s appearance. Excessive gingival display (EGD) or gummy smile, short clinical crown of tooth are frequent complaints of patients. There are various factors that can cause a gummy smile and a short clinical crown, one of which is altered eruption. The procedure that can provide a solution to this aesthetic, periodontal and restorative problem is crown lengthening. Crown lengthening is a surgical procedure that aims to remove periodontal tissue to increase the clinical length of the dental crown, the crown-lengthening procedure can be achieved with or without bone reduction. Objective: To describe the management of altered passive eruption type 1B by crown lengthening with osteotomy procedure. Case Report: A 20-year-old female patient presented to the periodontics clinic of RSGM Soedomo UGM, with a complaint of excessive gum appearance with her right upper front tooth looking short when she smiled. The patient was diagnosed with altered passive eruption. The treatment was crown-lengthening surgery with osteotomy. Conclusion: Crown lengthening is an effective treatment to retrieve functional and aesthetic disturbances associated with altered passive eruption. Keywords: gummy smile, altered passive eruption, crown lengthening surgery