Effect of Clinical Crown Lengthening Surgery and Botulinum Toxin A Injection in Gummy Smile Treatment
Clinical trial NCT05057286 · COMPLETED
Trial details
- NCT number
- NCT05057286
- Sponsor
- University of Medicine and Pharmacy at Ho Chi Minh City
- Status
- COMPLETED
- Phase
- Phase 4
- Study type
- INTERVENTIONAL
- Start date
- 2020-08-01
- Primary completion
- 2021-05-31
- Enrollment
- 20
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