Most common salivary gland malignant neoplasm in bones:
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.
Pleomorphic adenoma.
Adenoid cystic carcinoma.
Mucoepidermoid carcinoma.
Adenolymphoma.