Dr. Christopher’s Tooth and Gum formula was designed to cleanse and sanitize the teeth and gums. The astringent herb White Oak Bark is in the formula because of it’s ability to strengthen and tighten the gums. Many individuals have been able to re-tighten loose teeth with regular use of this formula. The Native American’s were some of the first herbalists to use White Oak Bark in this way. This herbal formula is a great all-around formula to ensure good dental health. Check out this video to learn more, https://www.youtube.com/watch?v=uffhJQo9mSM. Click the link to order Dr. Christopher’s Tooth and Gum Formula, https://amzn.to/2UG0P4w.