CLASS II tooth prep for

A third modified design is the facial or lingual slot preparation • Here a lesion is detected on the proximal surface and the access to the lesion can be

Beveling the slot preparation did not significantly increase fracture strength Specimens restored with longer slot preparations failed unrestorably more often

slot cutter bit Slot preparations in group 6 were beveled Results showed that shorter slot preparations provided statistically equal amounts of resistance to a transverse

slot 999 Cavity prep- aration J Dent Child 1980;8:283-91 68 Gilmore HM The facial slot preparation a nonocclusal option for class 2 carious lesions