ALI SAAD A. GHAMDI2022-06-012022-06-014815https://drepo.sdl.edu.sa/handle/20.500.14154/54801en-USCOMPARISON OF BIOACTIVE GLASS SYNTHETIC BONE GRAFT PARTICLES PLUS BIOABSORBABLE BARRIER, BIOACTIVE GLASS ALONE AND OPEN DEBRIDEMENT IN THE TREATMENT OF HUMAN PERIODENTAL DEFECTS: A CLINICAL STUDYThesis