Individual preparation design for onlays can vary greatly, and is dictated by the existing conditions within the tooth being restored.
If an area of tooth structure has already fractured, the cause of the fracture must first be determined, and the preparation design may need to be altered in response.
► RECOMMENDED CLINICAL CASE: ONLAY PREPARATION: On tooth 36 with distal margin coronal relocation - Step by Step
This webinar is dedicated to partial ceramic restorations of posterior teeth.
It covered following topics:
🔹 Biomechanics of posterior teeth
🔹 Material selection
🔹 Preparation features
🔹 Cavities classification and case selection
🔹 Cusp reduction and cusp coverage: when and how