Searches were made for data using Medline, the Cochrane Central Register of Controlled Trials, Web of Science and the controlled-trials database of clinical trials (www.controlled_trials.com).

A cavity between two teeth is called an interproximal cavity. Just like any other cavity, interproximal cavities form when enamel is worn away and bacteria sticks to the tooth and causes decay.

Background Although numerous studies have used digital intraoral imaging, only a few studies have used photo-optical methods for the diagnosis of caries. Moreover, several limitations exist in terms ...