Xylitol gum
Product
Dental health and white teeth
"I attribute this to the xylitol gum and xylitol mouthwashes. I don't really have any other explanation... The only variable that is new is the xylitol gum and mouthwash containing xylitol, which I use probably twice a day."
More source quotes
Preventing cavities and improving the oral microbiome
"Many studies have shown that it kills anaerobic bacteria like Streptococcus mutans that cause cavities and dental decay... He goes, 'I've never seen this before, but your cavities are gone.' The only thing I could think of is my obsessive xylitol gum chewin..."