HANNA, C., N. EL OSTA, and J. FAKHOURI. “Effect of Impression Techniques on Soft Tissue Vertical Displacement in Removable Partial Denture. A Pilot Study”. International Arab Journal of Dentistry (IAJD), Vol. 13, no. 2, Sept. 2022, pp. 104-15, doi:10.70174/iajd.v13i2.673.