Iatrogenic Damage to the Periodontium Caused by Radiation and Radiotherapy

Najeeb Kassim 1, *, Syed Sirajuddin 2, Shriparna Biswas 2, Syed Rafiuddin 3, Ashwini Apine 2
1 International Clinic Salmiya, Kuwait
2 Department of Periodontology, Rajarajeswari Dental College & Hospital, Bangalore-560074, Karnataka, India
3 Department of Orthodontics, Sri Hasanamba Dental College & Hospital, Hassan, Karnataka, India

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© Kassim et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the International clinic Salmiya, Kuwait, Tel: 0096599161122; E-mail:


The radio-sensitivity of a tissue or organ is measured by its response to irradiation. Loss of moderate numbers of cells does not affect the function of most organs. However, with loss of large numbers of cells, all affected organisms display a clinical result. The severity of this change depends on the dosage and thus the extent of cell loss. Moderate doses to a localized area may lead to repairable damage. Comparable doses to a whole organism may result in death from damage to the most sensitive systems in the body.

Keywords: Iatrogenic, radiation, radiotherapy, periodontium.