Oral Medicine, Periodontology, Oral Diagnosis and Radiology Department Courses Oral Diagnosis I (PERI313)Oral Diagnosis II (PERI323)Oral and Maxillofacial Radiology I (PERI314)Oral and Maxillofacial Radiology II (PERI324)Oral Medicine I (PERI415)Oral Medicine II (PERI425)Preclinical Periodontics I (PERI414)Preclinical Periodontics I (PERI424)Periodontology I (PERI 515)Periodontology II (PERI 515)