1. 1. Lindhe J, Lang NP, Karring T. Clinical periodontology and implant dentistry. 5th ed. Oxford: Blackwell Munksgaard Publishers; 2008. p. 542.
2. 2. Rosenberg E, Rose LF. Biologic and clinical considerations for autografts and allografts in periodontal regeneration therapy. Dent Clin North Am 1998 Jul;42(3):467-490.
3. 3. Aichelmann-Reidy ME, Yukna RA. Bone replacement grafts. Dent Clin North Am 1998 Jul;42(3):491-503.
4. 4. Nevins ML, Camelo M, Lynch SE, Schenk RK, Nevins M. Evaluation of periodontal regeneration following grafting intrabony defects with Bio-Oss collagen: a human histologic report. Int J Periodontics Restorative Dent 2003 Feb;23(1): 9-17.
5. 5. Park JS, Suh JJ, Choi SH, Moon IS, Cho KS, Kim CK, Chai JK. Effect of pretreatment clinical parameters on bioactive glass implantation in intrabony periodontal defects. J Periodontol 2001 Jun;72(6):730-740.