Fig. 2From: The long-term evaluation of the prognosis of implants with acid-etched surfaces sandblasted with alumina: a retrospective clinical studyLandmarks of the radiographic measurements. a Immediately after surgery periapical view. b Periapical view 1 year after prosthetic loading. c Final periapical radiograph. [A point: linear distance from the implant shoulder to the contact point of the implant and bone (mesial surface), B point: linear distance from the implant shoulder to the contact point of the implant and bone (distal surface). The average value of A point and B point was set as the marginal bone loss amount.]Back to article page