Cone beam computed tomography is becoming a popular imaging modality in dentistry. The effective dose from these examinations is generally higher than conventional plain film radiography. This article outlines the ways of protecting patients from the harmful effects of radiation.
Clinical relevance: Cone beam computed tomography is an emerging imaging modality. The effective doses are generally higher than conventional radiography and it is therefore important that anyone requesting or performing these investigations understands how to keep the doses to patients as low as reasonably practicable.