Freezing and vitamin C for gum discoloration
Part of Mouth & dental clinical trials.
This trial tests two treatments for dark spots on the gums: freezing them with liquid nitrogen or applying vitamin C. Both aim to reduce gum discoloration and improve the appearance of your smile.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 40 years old.
- You have dark pigmentation on your upper or lower gums that is mild to severe.
- You are generally healthy with no major medical conditions (ASA Type 1).
- You are not a smoker, not pregnant or breastfeeding.
- You have no gum disease, no dead teeth in the front, and are not allergic to vitamin C.
- You have not had any previous gum depigmentation treatments.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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