Every time we see some beautiful clinical photos, we can't help but ask: How is this done? Behind these exquisite masterpieces, there must be a place for us to learn. For this reason, we invited a Japanese dentist, a graduate student in the United States, and also a lecturer at USC University of Southern California, SATO Shoko, and Both Canadian dentist and Dr. Huang Yijiao who practiced in Taiwan have complete academic experience, a well-known instructor, and practice experience in more than two environments. They have completed some enviable perfect cases.