Since Dr. Park is aiming for minimally-invasive approach, Pinhole Surgical Technique, which was invented by Dr. Chao, is frequently chosen. Instead of roof of mouth grafting, bovine collagen membrane is used to thicken the tissue and cover the exposed root. 

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Dr. Park is one of few board-certified periodontists who chose to be certified in Chao Pinhole Surgery in Gangnam, Seoul. 

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