Article Title,Year,Volume,Issue,Page Range,Author The effect of jaw fractures in children on the development of permanent teeth and the occlusion,1973,69,3,99-104,Ylipaavalniemi Injuries concomitant with fractures of the facial skeleton,1976,72,5,170-176,Lamberg A follow-up study of injuries to permanent and primary teeth in children,1976,72,5,152-162,Haavikko