U.S., Oct. 15 -- ClinicalTrials.gov registry received information related to the study (NCT07874022) titled 'Decision Regret Following Yonsei-Point Botulinum Toxin for Gummy Smile' on Oct. 08.
Brief Summary: This study evaluates patient-reported decision regret in adult patients who previously received standardized Botulinum Toxin Type A (BoNT-A) injection at the Yonsei Point for excessive gingival display (gummy smile).
While BoNT-A provides predictable millimetric reduction in gingival exposure, subjective patient satisfaction and cognitive-emotional remorse remain under-investigated in periodontal plastic literature.
Eligible patients will be identified from hospital treatment records at Cairo University Faculty of Dentistry. Patient-...