Ahmed, Athraa, and Salwan Bede. “The Accuracy of Ridge Mapping Procedure in Determining the Alveolar Ridge Width”. Journal of Baghdad College of Dentistry 30, no. 4 (December 15, 2018): 24-27. Accessed November 19, 2019. http://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/2551.