Thesis: Quantification of Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis in periodontal inflammation by realtime PCR and evaluate the effectiveness of treatment non-surgical periodontal inflammation Speciality: Odonto - Stomatology Code: 62720601 Ph D. student: Nguyen Thi Mai Phuong Scientific Instructors: Associate Professor, Ph D.Nguyen Thi Ha Institution: Institute of Odonto Stomatology - Ha Noi Medical University New findings of the thesis: 1.