Frontal area Colour Shape Surface colour Desaturation Opalescence mamelons Halo efekt Spots Special characterization Shape and size Optical width Surface texture Stratification Cleaning Preparation Acid etching, protection of neighboruhing tooth Matrix and wedge Laxering, polymerization Layering, polymerization Layering, polymerization Finishing Polishing Polishing (brush, dia paste 3µm) Polishing (brush, dia paste 1µm Polishing (felt disc) Silicone key  Location of palatal surface and incisal edge  Impression with silicone putty  Can be done on model or in oral cavity Wax up Mock up). Silicone key Palatal wall Incisal edge lroubalikova@gmail.com 39 Matrices and finger method lroubalikova@gmail.com 41 For oro/vestibulo - proximal surfaces - One step poloishing – various pressure lroubalikova@gmail.com49 Indication for FRC post – if the tooth is non vital ?