Violation
Which of the following bone lesions of the mandible is/are malignant? 1. Osteosarcoma. 2. Osteochondroma. 3. Ewing's tumor. 4. Fibrous dysplasia
(1) and (3)
(1) (2) (3)
(2) and (4)
(4) only
All of the above
Which of the following bone lesions of the mandible is/are malignant? 1. Osteosarcoma. 2. Osteochondroma. 3. Ewing's tumor. 4. Fibrous dysplasia
(1) and (3)
(1) (2) (3)
(2) and (4)
(4) only
All of the above