This animation compares conventional gum grafting to Chao Pinhole Gum Rejuvenation® the minimally invasive treatment for receding gums invented and patented by dentist and educator Dr. John Chao. Gum recession is corrected in minutes with no scalpels and no stitches. Dr. Chao is teaching the technique to doctors from around the world at bimonthly seminars in Alhambra, CA.