Dr. Shubham Dubey Prevalence and Degree of Facial Nerve Injury with Different Extra Oral Approaches for Surgeries Involving Mandibular Angle or Condyle or TMJ. A 3-Year Retrospective Study - Pipariya Sumandeep Vidyapeeth 2016-2019 - 36 Hb Subjects--Topical Terms: ORAL SURGERY Dewey Class. No.: 617.605 / DUB