TOOTH DISCOLORATION
Clinical trials for TOOTH DISCOLORATION explained in plain language.
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Brushing away stains: can your toothbrush really clean your smile?
Symptom relief CompletedThis study tested how effective regular manual toothbrushes are at removing tooth stains over 6 weeks of daily use. It involved 80 adults with natural front teeth who tend to develop surface stains. Researchers measured stain area and color intensity before and after the brushing…
Matched conditions: TOOTH DISCOLORATION
Phase: PHASE3 • Sponsor: Colgate Palmolive • Aim: Symptom relief
Last updated Mar 25, 2026 14:07 UTC
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Which whitening tray works best? study reveals patient preferences
Symptom relief CompletedThis study compared two common types of clear plastic trays used for at-home teeth whitening. Researchers wanted to see which tray patients preferred and which caused less tooth sensitivity or gum irritation. Forty adults used a whitening gel in either an Essix-type tray or a Viv…
Matched conditions: TOOTH DISCOLORATION
Phase: NA • Sponsor: Universidad Rey Juan Carlos • Aim: Symptom relief
Last updated Mar 19, 2026 14:55 UTC