Journal of Dental Surgery

Research Article

Variables Affecting the Accuracy of Implant Master Casts: An In Vitro Pilot Study

Table 1

Materials and parameters applied for impression making and master cast fabrication.
Transfer copingImpression materialDisinfectionImpression storagePlasterCast storage
Click transferPolyetherNo disinfection1 hType IV stone1 h
Transfer with plastic sleeve PolyvinylsiloxaneImmersion in disinfection solution for 5 min in 24 hType III stone24 h
Open tray transfer
(i) Polyether (Impregum, 3M Espe, Seefeld, Germany).
(ii) Polyvinylsiloxane (Affinis, Coltene/Whaledent AG, Altstätten, Switzerland).
(iii) EuroSept Max Impression Liquid (Henry Schein Inc., Melville NY, USA).
(iv) Type IV stone (FujiRock, GC Germany GmbH, Bad Homburg, Germany; 20 mL water : 100 g powder; 45 s mixing time in vacuum plaster mixer).
(v) Type III stone (Hera Moldano blau, Heraeus Kulzer GmbH, Hanau, Germany; 30 mL water : 100 g powder; 30 s mixing time in vacuum plaster mixer).