This document describes various radiological features and patterns seen in dental x-rays and their associated diseases. Some examples include the "soap bubble appearance" seen in ameloblastoma and aneurysmal bone cyst, the "honeycomb pattern" seen in calcifying epithelial odontogenic cyst and odontogenic myxoma, and the "ground glass appearance" seen in fibrous dysplasia, Paget's disease, and hyperparathyroidism. In total, over 40 different radiological features are listed along with the diseases they may indicate.