The Effect of Botulinum Toxin A In Patients With Excessive Gingival Display With And Without Zinc Supplementation
Clinical trial NCT03717987 · COMPLETED
Trial details
- NCT number
- NCT03717987
- Sponsor
- Cairo University
- Status
- COMPLETED
- Phase
- Phase 3
- Study type
- INTERVENTIONAL
- Start date
- 2019-01-03
- Primary completion
- 2019-09-01
- Enrollment
- 26
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