English

　　This course, taking oral diseases as main clues, theoretically describes the occurrence, development and prognosis of various oral diseases, explains the basic theory of oral biology, the sources of oral microbes, the distribution and characteristics of various microbial populations, the adhesion of oral micro-organisms, theoretical basis of ecology and dental plaque biofilm. The course emphasizes on oral microbial characteristics of common oral infectious diseases, such as dental caries, periodontal diseases, pulp and periapical infections, mucosal diseases, maxillofacial infections. The course combines theory to practical techniques, basic research to clinical application, to establish an easy way to learn the course systematically. The purpose of this course is to enable students to master the basic theory, basic knowledge, basic experimental techniques of oral biology, and lay the groundwork for their future work and study.