THE CLASS II AMALGAM PREPARATION Up to this point, cavity

1 preparation through the marginal ridge · 2 The proximal preparation begins with the creation of a slot, cut with a #330 bur in the center of the crest of

SLOT cavity preparation 3 In “Minibox” cavity preparations, excavation of dentin lesion is same as normal excavation, design differs only in handling of

slot bounty Described as the Defect Specific Cavity Preparation, it abandons mechanical retention completely by simply removing caries and then beveling

slot machine guide cavity Cavity preparation design and restorative materal selection depend on occlusal load and wear factors Tunnel technique; Proximal only box; Slot