Tooth discoloration

This trial tests whether a bleaching gel fortified with tiny titanium oxide particles can whiten teeth better and cause less sensitivity than a standard gel. Sixty adults with tooth discoloration will receive either the nano-enriched gel or the conventional gel during a single se…

This study tested whether a new 2-in-1 foam toothpaste and mouthwash (Scigates) can reduce tooth sensitivity and whiten teeth better than a standard toothpaste. Fifty-seven adults with mild staining and sensitive teeth used either the Scigates product or a control toothpaste thre…

This study tested two simple, non-drilling treatments to cover up white or brown stains on children's front teeth caused by a condition called Molar-Incisor Hypomineralization (MIH). 64 kids aged 8-10 and their parents rated how the teeth looked before and 3 months after treatmen…

This study tested how well different manual toothbrushes remove tooth stains. 80 healthy adults with some tooth staining brushed for 6 weeks. Researchers measured stain area and darkness to see which brush worked best.

This study tested how satisfied people are with at-home teeth whitening using two different types of trays: Vivera and Essix. Forty adults with healthy teeth used a 10% carbamide peroxide gel for 2 hours a day, 3 days a week, for 4 weeks with each tray. Researchers measured satis…