Prevalence and Risk Factors of Black Tooth Stains
Clinical trial NCT05304247 · UNKNOWN
Trial details
- NCT number
- NCT05304247
- Sponsor
- Mennatallah Hesham Elsayed Mohamed Ali
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2023-01-01
- Primary completion
- 2023-04-30
- Enrollment
- 320
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