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Tundra lists 2 Excessive Gingival Display clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.
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NCT06075134
EMG-guided Botox Injection Versus Conventional Botox Injection in Gummy Smile Patients
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).
Gender: All
Ages: 18 Years - 50 Years
Updated: 2026-03-20
NCT06577285
The Effect Of Botox In Patients With Gummy Smile With And Without Zinc And Phytase Supplementation.
Participants with esthetic concern of excessive gingival display who meets the inclusion criteria, will be carried out including history taking, clinical examination and initial therapy. The initial therapy will consist of periodontal treatment (phase I therapy) including supragingival scaling, subgingival debridement if needed. The mechanical plaque control instructions for each patient include brushing and interdental cleaning techniques. Patients who have inadequate crown length and width ratio or short clinical crown will receive esthetic crown lengthening procedure to adjust gingival levels before being included in this study. Patients in the intervention group I will take zinc gluconate 50 mg 1 per day to increase zinc level with phytase supplement 176mg (800FTU) 2 tablets per day to give the maximum absorption of zinc, both supplements will be given for 4 days before botulinum toxin injections. Patients in the intervention group II will take zinc gluconate 50 mg 1 per day to increase zinc level, 4 days before botulinum toxin injections. Patients in the control group will receive the Botulinum toxin injections only Clinical photographs will be taken at baseline, 2 weeks, 1 month, 3 months postoperatively.
Gender: All
Ages: 18 Years - 60 Years
Updated: 2024-09-23