in March that oil pulling reduces the amount of harmful oral bacteria, including bacteria that lead to plaque and tooth decay, and may help reduce gum inflammation . The article said there is no evidence that oil pulling whitens teeth.by Taiwanese researchers on nine oil pulling studies on humans. Five studies used sesame seed oil; four used coconut oil. The article concluded that oil pulling may beneficially reduce bacteria, but had no effect on dental plaque or gums.
Oil pulling is not recommended by the American Dental Association for improved oral health. Although some studies have suggested it has potential benefits, experts say more research is needed. The most proven way to improve oral health, strengthen gums, prevent cavities, whiten teeth and reduce dental plaque, experts say, is to brush and floss regularly.