Digital imaging: an update.

Unlabelled: It is becoming increasingly common for orthodontists and dentists to capture and store their patients' clinical records in a digital format, including photographs, radiographs and even study models. It is useful to have an understanding of what these image files are composed of in order to be able to manipulate, store and display the images efficiently to best effect.

Clinical Relevance: Digital images are becoming a routine part of patients'clinical records and it is important to understand their make-up and how they can be saved and displayed.