Resin Composite Materials for Chairside CAD/CAM Restorations: A Comparison of Selected Mechanical Properties

Table 1

Machinable materials used in the study.

Brand	Abr.	Manufacturer	Composition	Lot no.	Shade	Block size
Grandio blocs	GR	VOCO, Cuxhaven, Germany	86 wt % nanohybride fillers, 14% UDMA + DMA [15, 16]	1711521	A2 HT	C 14L
Tetric CAD	TE	Ivoclar vivaden, Schaan, Liechtenstein	Dimethacrylates 28.4 wt%: Bis-GMA, Bis-EMA, TEGDMA, UDMA; fillers: 71, 1 wt%, barium glass (<1 um), silicon dioxide (<20 nm) [17]	35470	3M2 HT	14
Brilliant crios	CR	Coltene/Whaledent A.G. Altstatten, Switzerland	Resin matrix cross-linked methacrylate, 70.7 wt % barium glass (<1 μm), amorphous silica (<20 nm) [15, 18]	H22667	A2 LT	C 14
Katana avencia block	AV	Kuray Noritake dental, Tokyo, Japan	UDMA, TEGDMA with 62 wt % aluminum filler (20 nm), silica filler (40 nm) [19]	000318	A2LT	12
Cerasmart	CS	GC dental product Europe, Leuven, Belgium	BisMEPP, UDMA, DMA with 71% wt% silica (20 nm) and barium glass (300 nm) [15, 19]	37690	A3 C	14
Shofu block HC	HC	Shofu inc., Kyoto, Japan	UDMA, TEGMA, 61 wt% silica powder, micro fumed silica, zirconium silicate [15, 19]	071601	A2 LT	14

UMDA: urethane dimethacrylate; TEGDMA: triethylene glycol dimethacrylate; Bis-GMA: bisphenol A diglycidylether methacrylate; Bis-EMA: ethoxylate bisphenol-A dimethacrylate; DMA: dimethacrylate; Bis-MEEP: 2,2-Bis(4-methacryloxypolyethoxyphenyl) propane; EDMA: ethyleneglycoldimethacrylate; DMA: dimethacrylate.