Dental Which of the following is not true about DIAGNOdent? A It is based on the phenomenon of laser-induced fluorescence of the enamel. B Porphyrins present in carious tissue fluoresce when stimulated by DIAGNOdent. C It may not provide accurate estimation of caries lesion depth since it is detecting porphyrin fluorescence and not mineral content of enamel crystal structure. D Uses energy conversion technology (PTR-LUM) to image and examine the tooth. 💡 Explanation Which of the following is not true about DIAGNOdent? ✓ Correct Answer: D. Uses energy conversion technology (PTR-LUM) to image and examine the tooth.