CV
Questions
” DOUBLE STEP REVERSE”( DSR): A NEW PROTOCOL IN POLYVINYLSILOXANES( PVS) IMPRESSION- TAKING PROCESS- TWO CASE REPORTS
term accuracy and dimensional stability when the finish line is within the gingival sulcular area. J Prosthodont. 2014; 23( 2): 124- 133. doi: 10.1111 / jopr. 12062. 7. McCabe JF, Arikawa H. Rheological properties of elastomeric impression materials before and during setting. J Dent Res. 1998; 77( 11): 1874-1880. 8. Perakis N, Belser UC, Magne P. Final impressions: a review of material properties and description of a current technique. Int J Periodontics Restorative Dent. 2004; 24( 2): 109-117. 9. *** Vinyl polysiloxane impression materials: a status report. Council on Dental Materials, Instruments, and Equipment. J Am Dent Assoc. 1990; 120( 5): 595-596, 598, 600. 10. Rupp F, Saker O, Axmann D, Geis-Gerstorfer J, Engel E. Application times for the single-step / double-mix technique for impression materials in clinical practice. Int J Prosthodont. 2011; 24( 6): 562-565.
11. Caputi S, Varvara G. Dimensional accuracy of resultant casts made by a monophase, one-step and two-step, and a novel twostep putty / light-body impression technique: an in vitro study. J Prosthet Dent. 2008; 99( 4): 274-281. doi: 10.1016 / S0022- 3913( 08) 60061-X. 12. Vitti RP, da Silva MA, Consani RL, Sinhoreti MA. Dimensional accuracy of stone casts made from silicone-based impression materials and three impression techniques. Braz Dent J. 2013; 24( 5): 498-502. doi: 10.1590 / 0103-6440201302334. 13. Millar BJ, Dunne SM, Robinson PB. In vitro study of the number of surface defects in monophase and two-phase addition silicone impressions. J Prosthet Dent. 1998; 80( 1): 32-35. 14. Vaccaro F, Rengo S. Alternative computerizzate CAD / CAM alle tradizionali procedure protesiche per la realizzazione di protesi parziali fisse in zirconia: metodica LAVA System. Graduation thesis in PhD in Oral Science. 2015-2016, XXX
Enrico MANCA DDS, Professor in University Master Degree in Oral Implantology
Department of Surgical Pathology, Medicine, Molecular and Critical Area, University of Pisa, Pisa, Italy
Clinical Dentist in Cagliari( Italy)
CV
He is a clinical dentist who graduated in 1994 from the Università di Cagliari( Italy) with a great experience and passion for aesthetic prosthodontics. He is currently a professor at the University Master Degree in Oral Implantology in Universita’ di Pisa,( Director Prof. Ugo Covani). He is also a visiting professor at the University of Valencia.( Director Prof. Miguel Peñarrocha) He is an active member of ESCD and Amici di Brugg, and he is often a guest speaker at various conferences and events in Italy and abroad.
Questions
What is meant by“ DSR”?
qa. A new kind of diode-laser; qb. A new impression material; qc. A technique used to retract tissues; qd. An impression technique.
What does the acronym DSR mean?
qa. Dynamic Standard Registration; qb. Digital Standard Records; qc. Double Step Reverse; qd. Direct Simple Records.
According to the DSR protocol, which material is first delivered on the abutment?
qa. Extra-Light Viscosity material; qb. Ultimate Wash material; qc. Ultimate Tray material; qd. Both of them together.
When it is advisable to deliver the tray material?
qa. Once the Wash material is completely set; qb. Along with the Light material; qc. Before the Light material; qd. It is not required by this protocol.
192 STOMA. EDUJ( 2016) 3( 2)