Erbium-doped yttrium aluminum garnet laser and advanced platelet-rich fibrin+ in periodontal diseases: Two case reports and review of the literature

Figure 4 Evaluation of erbium-doped yttrium aluminum garnet laser and advanced platelet-rich fibrin+ treatment in alveolar bony defects. A: Periapical radiograph immediately after surgery; B: At 6 mo after surgery; C: At 36 mo after surgery. At 6 mo there was no evidence of recurrent infection of tooth 22. At 36 mo periodontal regeneration and defect bone fill-in were detected.