Table 2.

Features and indications for the use of the chairside CAD/CAM materials.

Material/Characteristics	Feldspathic and Leucite-Reinforced Ceramic	Lithium Disilicate and Zirconia-Reinforced Lithium Silicates	Resin Composite	Hybrid Ceramic	Zirconia	Resin
Microstructure	Glassy matrix + Crystalline loads	Glassy matrix + Crystalline loads	Inorganic fillers in resin matrix	Ceramic nanoparticles in resin matrix Ceramic Network infiltrate of polymer	Polycrystalline	Resin polymers
Optic properties	Excellent	Good	Medium	Good	Good	Weak
Bonding aptitude	Excellent	Excellent	Excellent	Excellent	Medium/weak	Excellent
Advantages	Clinical experience, Esthetics, Wide range shade, Translucidity	Clinical experience (e.max), Esthetic, Mechanical strength, Wide range shade, Translucidity	Rapid milling, Direct composite reparation, Mechanical properties	Rapid milling, Direct composite reparation, Mechanical properties	Mechanical strength	Rapid milling, Direct composite reparation, Mechanical properties
Disadvantages	Relative fragility	Less than conventional ceramic	Optical properties	Optical properties	Translucidity	Esthetic
Indications for the use	Veneer, inlay, onlay, overlay, crown, bridge anterior	Veneer, inlay, onlay, overlay, crown, bridge anterior and posterior, abutment	Veneer, inlay, onlay, overlay, crown, bridge of small extent	Veneer, inlay, onlay, overlay, crown (except Lava Ultimate)	Crown, bridge, abutment	Temporary restorations: Veneer, inlay, onlay, overlay, crown, bridge of small extent