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Table 1 Investigated materials with composition as provided in the safety data sheets of the products

From: HF etching of CAD/CAM materials: influence of HF concentration and etching time on shear bond strength

Material Name Code Manufaturer Type Composition
Ceramic Vitablocs Mark II VM VITA Zahnfabrik, Bad Säckingen, Germany Feldspar ceramic SiO2 56–64%, Al2O3 20–23%, Na2O 6–9%, K2O 6–8% by weight
Vita Enamic VE VITA Zahnfabrik, Bad Säckingen, Germany Polymer-infiltrated ceramic 86% feldspar ceramic: SiO2 58–63%, Al2O3 20–23%, Na2O 9–11%, K2O 4–6% by weight 14% polymer by weight: Triethyleneglycol dimethacrylate (TEGDMA) / Urethandimethacrylate (UDMA)
IPS e.max CAD EC Ivoclar Vivadent AG, Schaan, Liechtenstein Lithium disilicate ceramic SiO2 57–80%, Li2O 11–19%, K2O 0–13% by weight
VITA Suprinity VS VITA Zahnfabrik, Bad Säckingen, Germany Zirconia reinforced lithium silicate ceramic Zirconium oxide 8–12, silicon dioxide 56–64%, lithium oxide 15–21%, various > 10% by weight
Resin composite cement RelyX Unicem 2 Automix RUN 3 M ESPE, Seefeld, Germany Self-adhesive cement Base Paste: Methacrylate monomers containing phosphoric acid groups, Methacrylate monomers, Silanated fillers, Initiator componenets, Stabilizers, Rheological additives Catalyste Paste: Methacrylate monomers, Alkaline (basic) fillers, Silanated fillers, Initiator components, Stabilizers, Pigments, Rheologicam additives
VITA Adiva S-Cem VAS VITA Zahnfabrik, Bad Säckingen, Germany Self-adhesive cement Mixture of dimethacrylates, Glass powder, Fumed silica, Phosphoric esters, Catalysts, Stabilizer, Pigments, Methacrylates, Phosphoric ester
Panavia V5 PV5 Kuraray Europe GmbH, Hattersheim, Germany Adhesive cement Bisphenol A diglycidylmethacrylate (Bis-GMA), Triethyleneglycol dimethacrylate (TEGDMA), Hydrophobic aromatic dimethacrylate, Hydrophilic aliphatic dimethacrylate, Initiators, Accelerators, Silanated barium glass filler, Silanated fluoroalminosilicate glass filler, Colloidal silica Bisphenol A, diglycidylmethacrylate (Bis-GMA), Hydrophobic aromatic dimethacrylate, Hydrophilic aliphatic dimethacrylate, Silanated barium glass filler, Silanated alminium oxide filler, Accelerators, dl-Camphorquinone, Pigments
VITA Adiva F-Cem VAF VITA Zahnfabrik, Bad Säckingen, Germany Adhesive cement Mixture of resin based on Bis-GMA, catalyst, stabilizer, pigments, Methacrylates
Ceramic Primer CLEARFIL CERAMIC PRIMER + CCPP Kuraray Europe GmbH, Hattersheim, Germany Silane + MDP 3-Methacryloxypropyl trimethoxysilane, 10-Methacryloyloxydecyl dihydrogen phosphate (MDP), Ethanol
VITA ADIVA C-PRIME VACP VITA Zahnfabrik, Bad Säckingen, Germany Silane Solution of methacrylsilanes in ethanol
RelyX Ceramic Primer RXCP 3 M ESPE, Seefeld, Germany Silane Ethyl alcohol, Water, Methacryloxypropyltrimethoxysilane
Etching agent VITA CERAMICS ETCH HF5 VITA Zahnfabrik, Bad Säckingen, Germany Hydrofluoric acid Hydrofluoric acid 5%
Ultradent Porcelain Etch HF9 Ultradent Products, Inc., Köln, Germany Hydrofluoric acid Hydrofluoric acid 9% buffered