Fig. 2. Conventional impression protocol: open-tray splinted impressions made using the monophase impression material. (A) Group A: Single implant, (B) Group B: Three-unit implants, (C) Group C: Trans-arch implants, (D) Group D: Angle implants, (E) Group E: Two implants for complete-arch, (F) Group F: Six implants for complete-arch.
