A comparative clinical and radiographic evaluation of bidirectionally positioned flap and GTR membrane with bioactive glass in the treatment of mandibular Class II furcation defects-A randomized controltrial

The study evaluated the treatment outcomes clinically and radiographically of bidirectionally positioned flap (BPF) technique in combination with bioactive glass to open flap debridement with bioresorbable collagen membrane in combination with bioactive glass and open flap debridement alone for the treatment of mandibular molar class II furcation defects. A total of 24 class II furcation defects in 24 patients with mean age of 50.75 were enrolled after satisfying the inclusion and exclusion criteria. Every patient signed the informed consent form. The baseline and six months  postoperative treatment parameters were compared. Within the limiations , it was concluded that, appropriate case selection and treatment planning is the key to achieving the best results in the treatment of class II mandibular molar furcation defects. The BPF technique in combination with a bone graft substitute and bioresorbable membrane in combination with bone graft substitue showed better results in comparision to open flap debridement. The BPF technique in combination with a bone graft substitue may show comparable treatment outcomes with the bioresorbable membrane in combination with bone graft substitute. Future studies are required with longer followups and sample size to make further definitive conclusions in using BPF surgery in combination therapy for molar class II furcation defects.