Hypodontia in the Permanent Dentition: A Clinical and Genetical Investigation

2nd incisors 2nd premolars absence according analysis authors birth boys calculated canines carried cause cent child clinical compared congenitally absent congenitally missing teeth considered defects dental determined diagnosed distribution disturbances DOLDER dominant dontia erupted examined excluding third molars expected extracted fathers figures frequency of hypodontia gene genetic girls greater Group Group AF higher hypo hypodontia excluding third hypodontia third molars included individuals with hypodontia inheritance investigation involved majority Malmö mandible mandibular incisors material maxilla maxillary lateral incisors mean method mothers number of congenitally number of individuals observed obtained occurred parents permanent dentition population pregnancy present probably propositi quency radiographs recorded regards reported second premolars sexes shown in table shows sibs sibships significant differences statistically studies symmetrical hypodontia taken third molar region third molars excluded tooth tooth-groups total number types of teeth values variation vary whole women