Sahar Khalaf Abdelbary. "COMPARATIVE STUDY BETWEEN TWO DIFFERENT TYPES OF ATTACHMENTS RETAINED IMPLANT MANDIBULAR OVER DENTUREON ON THE ANTERIOR MAXILLARY BONE RESORPTION", Egyptian Dental Journal, 66, Issue 2 - April (Fixed Prosthodontics, Dental Materials, Conservative Dentistry & Endodontics), 2020, 1341-1349. doi: 10.21608/edj.2020.28294.1107