Clinical trials: Tooth Discoloration
Tooth Bleaching
Efficacy of Two Sonic Toothbrushes in Reducing Extrinsic Tooth Stain
The objective of the present study was to compare the effects of reduction of extrinsic stains between 2 commercially available Oclean sonic toothbrushes in comparison with an Oral-B manual toothbrush.
- Trial name
- NCT05202093
- Testing
- the Oclean Digital Visual toothbrush (2.16 N·cm torque), Oral B manual toothbrush, the Oclean Sonic Electric toothbrush (1.96 N·cm torque)
- Where
- China
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Tooth Stain
A Clinical Trial to Test the Effect of a Marketed Mouth Rinse on Stain Removal
The whitening action of an investigative hydrogen peroxide/sodium fluoride containing mouth rinse will be evaluated through stain removal using mean Lobene Stain Index over 14 days compared to a currently marketed hydrogen…
- Trial name
- NCT02151058
- Testing
- Colgate® Regular Cavity Protection, Experimental Mouth Rinse, Crest® 3D White Multi-Care Whitening Rinse, Glamorous White, Fresh Mint
- Where
- United States
- Volunteers
- 227 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Consumer and Personal Products Worldwide
Oral Hygiene
Clinical Study to Investigate the Tooth Stain Removal Efficacy of Two Experimental Toothpastes Compared to a Standard Toothpaste When Used Twice Daily for 8 Weeks
The aim of this study is to investigate the stain removal efficacy of 2 experimental anti-dentin hypersensitivity (DH) dentifrices with four and eight weeks twice daily use.
- Trial name
- NCT05459558
- Testing
- Experimental Dentifrice 1, Experimental Dentifrice 2, Reference Dentifrice
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- HALEON
Oral Hygiene
An Efficacy Study of Stain Control of a 67% Sodium Bicarbonate Containing Toothpaste on Chlorhexidine Tooth Staining
The aim of this study is to compare the stain effect on teeth of twice daily brushing with a 67% sodium bicarbonate containing toothpaste versus standard toothpaste (not containing sodium bicarbonate) for six weeks whilst using a…
- Trial name
- NCT01962493
- Testing
- Sodium bicarbonate/ Sodium Fluoride, Sodium fluoride, Chlorhexidine digluconate
- Where
- 3 sites in United Kingdom
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline