The most popular ways to use coconut oil for your teeth are using it in a process called “oil pulling,” or making toothpaste with it. Oil Pulling Origin. Many people use coconut oil on the scalp to kill head lice bacteria and parasites, but coconut oil … Photo Credit: iStock Coconut oil … While using coconut oil to whiten teeth might be an interesting — and perhaps worthy — experiment, never use coconut oil as a skin moisturizer. Brush your teeth with coconut oil to prevent cavities, eliminate bad breath and reduce the risk of tooth decay and gum disease. The practice of oil pulling dates back hundreds of years in South Asian and Indian medicine, according to a study published in the Journal of Ayurveda and Integrative Medicine.Both cultures consider oil a healthy ingredient for body tissue, and the idea is that as the oil is swished and pulled through your mouth, it's removing … For this home remedy, it is best to use coconut oil. Both are explained later in the article. Coconut oil has lauric acid in it that helps remove plaque and helps get rid of the white spots on your teeth. A Note On Beauty Uses of Coconut Oil. Bottom Line: