And if you want more DIY exercises, then try PullOr rotate the oil around your mouth for 10 to 15 minutes. Although the practice may seem a little “wu-wow” or “out”, it may actually be some legal health benefits. Cosmetic dentist Victoria Vaetsman, DDS“The entire basis behind pulling the oil is that the fatty part of the oil connects the fatty cell membrane of the bacteria in your mouth, catch it, and then you spit bacteria with it.”