<unk>  (COD) is a benign condition of the jaws that may arise from the fibroblasts of the periodontal ligaments. It is most common in African-American females. The three types are periapical<unk> l dysplasia (common in those of African descent), focal<unk>  (Caucasians), and florid<unk>  (African descent). Periapical occurs most commonly in the mandibular anterior teeth while focal appears predominantly in the mandibular posterior teeth and florid in both maxilla and mandible in multiple quadrants. __TOC__
Cemento-osseous dysplasia
Metaphyseal dysplasia
Multiple epiphyseal dysplasia
Spondylo-meta-epiphyseal dysplasia
Radial dysplasia
Dysostosis
Achondroplasia
Otospondylomegaepiphyseal dysplasia