Status:
COMPLETED
Application of Botulinum Toxin at the Yonsei Point for the Treatment of Gummy Smile
Lead Sponsor:
Peking University
Conditions:
Smiling
Botulinum Toxins, Type A
Eligibility:
All Genders
18-60 years
Phase:
NA
Brief Summary
The purpose of the present study will be to evaluate the efficacy of a single dose of botulinum toxin (BTX) at the Yonsei point for the treatment of gummy smile (GS). In this double-blind single-site...
Detailed Description
BACKGROUND: Gummy smile (GS), also known as excessive gingival display, is a common unaesthetic clinical condition. Recent evidence showed that botulinum type A (BTX-A) injection is a promising, simp...
Eligibility Criteria
Inclusion
- Gingival exposure ≥3.0mm upon unrestricted "full-blown" smiling
- Age: 18-60 years
Exclusion
- Contraindication of BTX-A
- Previous diseases or treatments affecting the position of the gingiva or upper lips
- History of BTX-A injections to the head or neck region
- Facial paralysis
- Subject's refusal to participate.
Key Trial Info
Start Date :
October 17 2020
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
October 17 2021
Estimated Enrollment :
48 Patients enrolled
Trial Details
Trial ID
NCT04527744
Start Date
October 17 2020
End Date
October 17 2021
Last Update
November 16 2021
Active Locations (1)
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1
Peking University School and Hospital of Stomatology
Beijing, Beijing Municipality, China, 100010