This course aims to enable students to learn diagnosing periodontal diseases, collecting clinical data, and planning proper treatment. The students will understand what needs to be done within the scope of surgical treatment and its importance. They will recognize hand tools and devices used in surgical periodontal therapy. They will have information about bone defects, bone regeneration, bifurcation defects, surgical periodontal treatment methods, and graft materials. The students will have ability to assimilate the current approaches of surgical periodontal treatments and to treat patients who come to the clinic within this framework. They will be able to determine the suitability of bone loss areas for bone regeneration in addition to surgical treatment.