Author Nr. specimens Material Results
Belli et al. [47] 10 5 ceramic
5 composite
Equivalent fatigue strength
degradation at lodsĀ  0.56 in
Beatriz et al. [48] 70 Vitadur Alpha
Ceramic
Different cements
Showed lower fracture resistance
Suzuki et al. [49] 7 Indirect compos.
(2 photo, 5 photo/heat)
Wear resistance similar to type III gold alloy tested
Magne P et al. 14 onlay Paradigm MZ100
e-max CAD &MarkII
Survival rate 36%. Failure at av. load 157N & 123N
Morito S et al. [50] 30 maxillary premolars Ceramic Composite Fracture ceramic/composite similar to impact teeth.
57% greater ability to absorb impacts than ceramic
Table 2: In-vitro evaluation onlay restorations