Fig. 2
From: Diagnostic accuracy of CBCT versus intraoral imaging for assessment of peri‐implant bone defects

Method of depth and width measurement in intra-oral radiography (IO), cone-beam CT (CBCT) and micro-CT imaging. White arrow, implant shoulder as reference; Yellow arrow, depth of bone defect (from implant shoulder to the most apical of bone defect); Green arrow, width of bone defect (from implant shoulder to bone crest)