Fig. 4From: Single-crown restorations in premolar–molar regions: short (≤ 6.5) vs longer implants: retrospective cohort studyLeft: 5.5 mm length implant placed in the #2.7 position. Screw-retained single-crown over a 3 mm transepithelial (intermediate abutment). Crown-to-implant ratio: 1.84. Right: 7.5 mm length implant placed in the same position (#2.7). Screw-retained single-crown over a 3 mm transepithelial (intermediate abutment). Crown-to-implant ratio: 1.80Back to article page