Most common lesion of the mandible is-: (A) Ameloblastoma, (B) Squamous cell ca, (C) Osteosarcoma, (D) Osteoclastoma
Answer is A. "Ameloblastoma is the most common jaw tumour" -- Radiology of head & Neck
"Ameloblastoma is the most common tumour of the maxillomandibular region. The mandible is affected in 75% of cases, the maxilla in 25%". -- Oral pathology