Radiotherapy for head and neck tumours is a viable treatment modality. Howe
ver, a wide range of potentially debilitating dental complications may acco
mpany this treatment. The nature and impact of these complications are outl
ined in this first part of a two-part article. In Part 2, prevention and ma
nagement strategies available to the dental practitioner to stave off the d
ental side effects of radiotherapy will be explored.