Fig. 2From: Zirconia crowns cemented on titanium bars using CAD/CAM: a five-year follow-up prospective clinical study of 9 patientsa The Upper arch. Occlusal view showing the six Intra-Lock System® implants with FlatOne® abutment, one implant was placed palatally to avoid extraction of impacted canine (The patient refused this surgery). b Lower arch with four Intra-Lock System® implants with FlatOne® abutment. c Impressions. d Master cast with silicone gingivaBack to article page