Comparison of Conventional Methods and Laser-Assisted Rapid Prototyping for Manufacturing Fixed Dental Prostheses: An In Vitro Study

Table 1

Composition and properties of materials used and their manufacturing processes.

Product	Process	Alloy composition (Wt %)	Elastic modulus; (GPa)	Vickers hardness; (Kg/mm²)	Yield strength; (MPa, 0.2%)	Thermal expansion coefficient; 10^−6 µm/mK (25–500°C)
Cercon base (DeguDent); Ni-Cr alloy	Lost wax casting	Co 0.1; Cr 14–16; Al 1–3; Ni 71–75; Mo 8–10; Be 0.1–1.9; Traces of Ti	218	360	586	13.9
StarLoy LS (DeguDent); Co-Cr alloy	Selective laser melting (SLM)	Co 55.2; Cr 18.4; W 18.4; Fe 6.0; Al 2.0	210	390	938–1024	14.3
Biologic NA (Conero Dental); Y-TZP	Milling	ZrO2; Y2O3 5%; HfO2 <2%; Al2O3 and SiO2 <1%	210	1200	900–1200	10.5