Fig. 6From: Round and flat zygomatic implants: effectiveness after a 1-year follow-up non-interventional studyDistance from the palate half-way point to the crest midpoint (P–C) and distances from the palate half-way point to each implant head center (P–I) were measured. Distance P–C minus distance P–I indicates the relationship of the prostheses with the crestBack to article page