Background: Paediatric cancer patients who receive radiation and chemotherapy [CT] suffer from various risks of oral complications and odontogenesis Materials and Methods: This study was conducted at a regional cancer centre of North East India from 2010 to 2013. The impact of cancer treatment by CT and radiation on orodental health was studied on a total of 100 paediatric cancer patients
Results: The common dental abnormalities were microdontia, hypodontia, root abnormalities, abnormal enamel, teeth loss, xerostomia and gingivitis. Treatment with CT and radiation exposure of >20 gray to head and neck region were mostly associated with orodental abnormalities