Ceramic Onlay Preparation

Demonstration of preparation for a gold and a ceramic onlay on a kavo upper left first premolar tooth model. Crown preparation and gold onlay preparation require tooth preparation with exacting geometric features retention and resistance form thus when presented with a preparation for partial or full coverage porcelain onlay instinctively it is assumed that this preparation will have similar mechanical features and only minor variations will be. At her first visit a complete anamnesis a meticulous oral examination a radiographic evaluation and a functional analysis of the temporomandibular joints were made.