Colgate Palmolive

This study compares a stannous fluoride toothpaste to regular Colgate Cavity Protection toothpaste. About 100 adults aged 18-70 will brush with one of the two toothpastes to see which better reduces bacteria on teeth, tongue, cheeks, gums, and saliva. The goal is to control plaqu…

This study tests whether a toothpaste containing chitosan can reduce plaque, gingivitis, and gum bleeding better than a standard toothpaste. About 90 adults aged 18–70 with good general health will brush twice daily for a set period. Researchers will measure gum inflammation, pla…

This study tests whether a toothpaste containing zinc citrate reduces bad breath better than a regular fluoride toothpaste. About 80 adults with moderate to strong bad breath will brush with one of the two toothpastes for three weeks. Researchers will measure breath odor using a …

This study looks at how gum inflammation and the bacteria in your mouth change when you stop brushing, and how these changes might affect your body's immune system. Twenty healthy adults will first practice good oral hygiene, then stop all cleaning for a period. Researchers will …