Disorders of the Teeth and Jaw chart shows with detailed labeled illustrations normal anatomy of the tooth and various tooth and jaw disorders. The central image is a longitudinal section of a normal toothThe following tooth disorders are illustrated and labeled periodontal disease three stages of dental caries abscess formation Normal anatomy of the mandible and temporomandibular joint shown with details of jaw opened and closed , The following jaw disorders are illustrated and labeled: anterior dislocation of the TMJ TMJ deterioration from osteoporosisimpaction - horizontal and mesioangular glandular problems Also shows 12 dental anomalies: enamel hypoplasia, fusion, germination, microdontia, macrodontia, toothbrush abrasion, hypodontia, hyperdontia, pulp polyp, dens invaginatus, attrition, and erosion.Made in the USA.Available in the following versions : 20" x 26" heavy paper laminated with grommets at top corners ISBN 9781587792496 20" x 26" heavy paper ISBN 9781587792502