Part IV Visual assessment of crown condition and damaging agents

Eichhorn, Johannes; Roskams, Peter; Potocic, Nenad; Timmermann, Volkmar; Ferretti, Marco; Mues, Volker; Szepesi, Andras; Durrant, Dave; Seletkovic, Ivan; Schroeck, Hans-Werner; Nevalainen, Seppo; Bussotti, Filippo; Garcia, Paloma; Wulff, Sören (2016)