Most common salivary gland malignant neoplasm in bones:
Pleomorphic adenoma.
Adenoid cystic carcinoma.
Mucoepidermoid carcinoma.
Adenolymphoma.
Central mucoepidermoid carcinoma of jaw is more common in mandible, especially in premolar-molar area. These lesions originate due to

Entrapment of retromolar glands within the mandible.
Due to inclusion of remnants of submaxillary glands within the mandible.