Comparing the Clinical Success of Two Different CAD/CAM Full Cuspal Coverage Onlays

Inclusion Criteria

• •The presence of two teeth requiring restorative treatment (onlays) because of primary or secondary caries or final restoration is needed after root canal treatment, with adjacent and antagonist teeth
• •At least two walls (buccal and oral) with a minimum length of 2.5 mm and a width of 2 mm
• •The deepest point of the tooth structure should be above a minimum of 3 mm of supracrestal
• •The crown-to-root ratio is minimum 1:1