Japanese oral level is good. According to the relevant public information, the level of oral medical service in Japan is relatively high, and Japanese dentists need to undergo a lot of training and examinations before they can engage in related work. Therefore, the professional level of dentists is relatively high, and the oral medical technology is relatively mature. Japan has some advanced dental diagnosis and treatment equipment and technologies, such as digital oral imaging system and laser treatment technology, which can improve the efficiency and accuracy of oral medical service.