Fig. 9From: Investigation on the Gradient Nanomechanical Behavior of Dental Fluorosis EnamelProfiles of nanoscratch tracks on the outer enamel of the normal tooth, mild dental fluorosis, and severe dental fluorosis and four restorative materials. Normal tooth enamel (NTE), mild dental fluorosis enamel (MFE), severe dental fluorosis enamel (SFE), IPS e.max CAD (IPS), polymer-infiltrated-ceramic network (PICN), Lava™ ultimate (LVU), and Fltek™ Z350XT (Z350)Back to article page