Widyabawa, Ida Bagus Nyoman Dhedy, AND Feranasari, Anak Agung Istri Agung. " Flap surgery with bone graft and periodontal membrane in generalized chronic periodontitis patient" Jurnal Radiologi Dentomaksilofasial Indonesia (JRDI) [Online], Volume 7 Number 2 (31 August 2023)