############################# Video Source: www.youtube.com/watch?v=8iPGrzKKtH4 깨끗한 치아가 건강한 치아입니다!SOOD Technique입니다.궁금하신 점은 댓글로 부탁드려요~계면활성제, 치약, 거품, 치과의사, 박창진, sood #############################