Changes in Residual Alveolar Ridge Following Tooth Extraction & The Necessity of Placing Bone Graft Material in the Extracted Socket to Prevent Bone Resorption - A Review Article. Bangla J. Dent. Res. & Educ. 2013, 1 (1), 30-32. https://doi.org/10.3329/bjdre.v1i1.15800.