Fig. 2From: Single-crown restorations in premolar–molar regions: short (≤ 6.5) vs longer implants: retrospective cohort studyLeft: 8.5 length implant placed in #1.4 position. Center: 2 years later; single screw-retained crown over 2 mm. Straight transepithelial (intermediate abutment). Right: 6 years after implant placement. No marginal bone changes after 6-year follow-upBack to article page