Table 1.

Material name, company, lot number and composition.

Materials	Company	Lot #	Composition
Tempofit Duomix	Detax, Ettlingen, Germany	315185	Mixture of methacrylic resins and silane treated glass with auxiliary matters and pigments
Protemp 3 Garant	3M ESPE, Seefeld, Germany	51200	Dimethacrylate, Silicic acid, Initiators, Diacrylate, Stabilizers, Synthetic resins, Pigments, Dyes, Strontium glass powder
Revotek LC	GC Corporation, Tokyo, Japan	704091	Urethane, Silica powder, Camphorquinone