Figure 3.
Radiographs of case 3. (a) The preoperative diagnostic procedure with tracing of sinus tract. (b) The MTA extrusion into the periapical lesion during the one-step apexification. (c) 8-month recall check with gradual healing of periapical lesion. (d) 24-month recall check presenting irregular margin with radiolucent halo around extruded MTA during the osseous healing. (e) 48-month follow-up showing complete healing of periapical lesion and intermingled MTA with regenerated bone. MTA, mineral trioxide aggregate.