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.

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).

Can fluoride varnish prevent demineralization of teeth following interproximal reduction? To find out, researchers put two varnishes to the test, running dozens of reduced dental surfaces through a ...