Predictability of a New Orthodontic Extrusion Technique for Implant Site Development: A Retrospective Consecutive Case-Series Study

Figure 9

Tooth 2.4: X-ray at T1: the most apical point of the bone defect is marked and its distance (C) from the straight line (B) perpendicular to the long axis of the near tooth (A) and passing through the apex is measured. The difference between the linear measurement T1 and T0 gives the vertical bone gain in mm.