Shendy, M. A., A. Shehata, A. A. EL-Awady, M. H. A. El Meneim, U. T. Ahmed, W. B. Abdelhameed, M. Y. Abdelfattah, and R. E. Mohamed. “Three-Dimensional Evaluation of Maxillary Sinus Volume Following the Use of Different Designs of Rapid Maxillary Expander: A Comparative Study”. International Journal of Health Sciences, vol. 6, no. S9, Apr. 2022, pp. 4210-21, doi:10.53730/ijhs.v6nS9.13667.