# An outstanding oral manifestation of achondroplasia is: A. Rampant caries B. Periodontal disease C. Overcrowding of teeth D. Supernumerary teeth The correct answer is C. Overcrowding of teeth. Achondroplasia is the most common form of short-limb dwarfism. It occurs in all races and with equal frequency in males and females. An individual with achondroplasia has a disproportionate short stature -- the head is large and the arms and legs are short when compared to the trunk length. Other signs are a prominent forehead and a depressed bridge of the nose. Many of these children die during the first year of life. Deficient growth in the cranial base is evident in many children that survive. Important: The maxilla may be small with the resultant crowding of the teeth. Note: A Class III malocclusion is very common. Remember: The oral manifestations of the following disorders in children: • Gigantism: enlarged tongue, mandibular prognathism, teeth are usually tipped to the buccal or lin...