Hamdy, M., and H. Omar, "Characterization of conventional and recent root canal filling materials using digital radiography.", Egyptian Dental Journal , vol. 55, pp. 1205- 1214, 2009.
Omar, G., N. A. Wahed, and H. Omar, "Mandibular cortex index among Egyptians. Inter and intra observers agreement.", Egyptian dental Journal, vol. 53, pp. 2897- 2904, 2007.
Wahed, N. A., G. Omar, and H. Omar, "Value of image analysis in the follow up and assessment of bone defects repair as compared to digital radiography.", Egyptian Dental Journal, vol. 53, pp. 2849- 2856, 2007.
Hamed, H., H. Mostafa, H. Saleh, H. Omar, and F. Medhat, "Validity of single photon emission computed tomography (SPECT) in assessment of osseointegration process of dental implants.", Cairo Dental Journal, vol. 23, issue 1, pp. 1-6, 2007.
H.Atia, M., H. M. Omar, and M. S. El-Din, "Radio density of root canal dentin lased with CO2 laser in presence of two different irrigating solutions.", Cairo Dental Journal, vol. 22, pp. 295-299, 2006.
Elawady, D. M., M. Wagdy, A. Kaddah, and H. Omar, "• Evaluation of the effect of conventional and flexible acrylic denture bases on the supporting tissues in maxillary single denture cases", Egypt Dent J. 2010, vol. 59, pp. 2213 - 2218, 2010.