Class 2 cavity preparation modifications

Tunnel Restoration: A Minimally Invasive Dentistry Practice slot and tunnel preparation prepared: horizontal cavity on the mesial surface , mesio-occlusal cavity, mesial cavity , tunnel type cavity slot permata • Tunnel preparation Page 20 Initial tooth preparation depth • Placement of locks, grooves, coves, slots, pins, or amalgampins

slot sensor Tunnel and slot preparations are conservative preparations in which slot preparation is indicated for lesions which are less than mm from the marginal