B. S. İzol, A. G. Doğru, F. İpek, and A. Günay, “Treatment of Furcation Lesions in Devital Teeth with ß-Tricalcium Phosphate + Hydroxyapatite Graft Material: A Case Report”, Int Dent Res, vol. 2, no. 3, pp. 81–85, Dec. 2012, doi: 10.5577/intdentres.2012.vol2.no3.4.