[Odontogenesis and dentition development following irradiation of pediatric tumors of the maxillofacial area].

A case involving a 13-year-old patient who was found to have an embryonal rhabdomyosarcoma of the middle pharynx at the age of six and a half years will present the consequences of radiotherapy to the head of a growing child. The clinical examination and the X-rays show the effects of radiation: delayed development of the teeth, root dwarfism, caries and general growth disturbance.