Abstract
The aim of this case series was to describe the successful treatment of excessive gingival display (EGD) using a lip repositioning technique (LRT) and botulinum toxin injections (BTIs) for long-term stability. Eight patients diagnosed with EGD were enrolled. A partial-thickness horizontal incision was made from the right first molar to the left first molar along the mucogingival line, leaving the midline frenum intact. The next day, all patients received BTIs. Mean reductions in gingival display between baseline and 3, 6, 12, 18, 24, and 36 months after surgery were considered. BTIs prevent movement of the upper lip during the healing phase of the LRT, improving the results and offering long-term outcomes with a follow-up period of 3 years.
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