Abstract
Chemotherapy administered during childhood may induce dental abnormalities, such as acquired amelogenesis imperfecta, microdontia, hypodontia and altered root morphology. The magnitude of the defect varies according to the cytotoxic agents, the duration of their use and the stage of tooth development at the time of chemotherapy. Patients who received high-dose chemotherapy before the age of 5 are particularly concerned. The dental supervision of these children is based upon three orthopantomograms: the first one has to be performed before starting chemotherapy and will be used as a reference; the second is done soon after the drug therapy in order to evaluate the first consequences; the third is performed after the eruption of all permanent teeth (age 12-13 in average) in order to determine the dental abnormalities. In case of hypodontia, orthodontic treatment must be considered, but it is necessary to take into account the fact that it may increase the risk of root resorption. Preventive dental care is important for these children. It involves meticulous oral hygiene and frequent dental visits to assess and maintain dental health.
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