Summary of PHD thesis Odontostomatology: Clinical outcomes after surgical treatment of chronic periodontal with enamel matrix derivatives -Emdogain

With the following goals: Comment on clinical, X-ray of stage IV chronic periodontitis according to AAP of a group of patients at Hanoi Central Odontostomatology Hospital from 2016-2019; Evaluation of surgical treatment results for chronic periodontitis using enamel matrix derivatives - Emdogain on the control group of patients.