DR. J.P. CASTEYDE / CNRI / SCIENCE PHOTO LIBRARY DR. J.P. CASTEYDE / CNRI / SCIENCE PHOTO LIBRARY
Alveolar prognathism. Close-up of the teeth of an orthodontic patient with alveolar prognathism. This type of malocclusion is a protrusion in the dental lining of the upper jaw. It is often caused by excessive thumb-sucking.
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