This Book reviews literature on Pathological calcification in the oral cavity including pulp stones, salivary gland stones, Dental calculus, lymph node calcification, Calcification associated with reactive lesions, Odontogenic tumors, calcified stylohyoid ligament, Calcified Acne lesions, Hypercementosis, etc. Dental practitioners are required to identify, diagnose, treat, or refer for treatment all pathology identified on a radiograph.