CariVu – Caries Detection Device - Dexis CariVu TM is a new preventative approach to discovering cavities and cracks in there earliest stages.&nbsp;The CariVu device is a detection device that uses a patented transillumination technology to support the identification of occlusal, interproximal and recurrent carious lesions and cracks at its earliest stages and with very high accuracy.&nbsp;Transillumination technology allows the dentist to see through the tooth with the healthy enamel appearing transparent and the diseased part of the tooth structure absorbing the light and appearing as a dark lesion or line if there is a crack in the tooth.