Excessive Gingival Display Clinical Trial
Official title:
EMG-guided Botox Injection Versus Conventional Injection in Yonsei Point in Gummy Smile Patients: A Randomized Clinical Trial
The goal of this clinical trial is to compare the effect of EMG-guided Botox injection with conventional Botox injection in Yonsei point, in patients with excessive gingival display. The main question it aims to answer is: • Does the use of electromyography (EMG) as a guide during Botox injection for patients with gummy smile has better effect than conventional injection in Yonsei point? Participants will be randomized in equal proportions between intervention and control groups. - Preoperative assessment of amount of gingival display, lip length (philtrum and vermilion length), and smile type. - For the intervention group, EMG readings will be done in Clinical Neurophysiology Department, Kasr Al-Ainy Hospital EMG-guided Botox injection (Intervention group). Conventional Botox injection in Yonsei point (Control group).
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