Table 3. Characteristics and indications of Chairside CAD/CAM resins.

	PMMA	Resin composite	Nanoceramic	PICN
Microstructure	Resin polymers	Inorganic fillers in resin matrix	Ceramic nanoparticles in resin matrix	Ceramic network infiltrate of polymer
Flexural strength	Very weak	Weak	Weak	Weak
Optical properties	Weak	Weak	Medium	Medium
Bonding aptitude	Excellent	Excellent	Excellent	Excellent
Indications	Temporary restorations: Inlay Onlay Veneer Crown Bridge of small extent	Temporary restorations: Inlay Onlay Veneer Crown Bridge of small extent	Inlay Onlay Overlay Veneer Crown (except Lava Ultimate) Bridge of small extent	Inlay Onlay Overlay Crown
Avantage	Speed of implementation Rapid milling Direct composite reparation	Speed of implementation Rapid milling Direct composite reparation	Speed of implementation Rapid milling Direct composite reparation Mechanical properties	Speed of implementation Rapid milling Mechanical properties
Disadvantage	Esthetic	Esthetic	Sustainability Esthetic +/−	Sustainability Esthetic
Available blocs	Telio CAD (Ivoclar-Vivadent) Sinergia block tempo Multi (Nobil Metal) Sintodent (Sentis)	CAD Temp mono/multicolor (Vita)	Ultimate (Lava) Cerasmart (GC) Ambarino High class (Creamed) Shofu block HC (Shofu)	Enamic (Vita)