Lautenschlager, E.P., Wixson, R.L., Novak, M.A. and Bakir, N.: Fatigue and Fracture Toughness of Simplex-P. Trans. of Orthopedic Research Soc. 32: 118, 1986.

Greener, E.H. and Bakir, N.G.: Glass Transition Temperatures in Posterior Composites. J. Dent. Res. 65 (Abstract # 450): 219, 1986.

Bakir, N.G. and Greener, E.H.: Effects of 75% EtOH on Dynamic Properties of Posterior Composites. J. Dent. Res. 66 (Abstract # 810): 208, 1987.

Bakir, N.G. and Greener, E.H.: Compressive Creep Behavior of Posterior Composites: Solvent Effects. Trans. Of the Academy of Dental Materials. 1(1): 18, 1988.

Bakir, N.G. and Greener, E.H.: Solvent Effect on FTIR Spectra of Posterior Composites. J. Dent Res. (Abstract # 870): 221, 1988.

Bakir, N.G.: Prediction of Fracture Resistance of Dental Composites Using Finite Element Stress Analysis. Egypt. Dent J. 38 (2): 151-156, 1992.

Shalaby, H.M., Bakir, N.G., El Zoghby, A.A. and Abou Tabl, Z.M.: Fracture Toughness, K1C of Some Posterior Composites and Dental Amalgams: Compositional Considerations. New Egypt. J. Med. 9 (1): 133-138, 1993.

Fath El-Bab, E.I., Negm, M.I., Bakir, N.G. and Abou Tabl, Z.M.: An Evaluation of Two Techniques of Etching Stainless Steel Orthodontic Brackets. New Egypt. J. Med. 9 (1): 139-140, 1993.

Ali, M.A. and Bakir, N.G.: An Evaluation of the Biocompatibility of a Resilient and a Hard Denture Resins Utilizing Mucous Membrane Irritation Test.  New Egypt. J. Med. 9 (3): 768-771, 1993.

Badran, A.S., Ibrahim, S.M. and Bakir, N.G.: A Study of the   Sealing Ability of Thermafil Root Canal Filling Material. New Egypt. J. Med. 9 (4): 1209-1214, 1993.

Bakir, N.G., Saniour, S.H. and El-Sharkawy, H.G.: Effect of Time of Microwave Oven Drying on Hardness and Dimensional Stability of Dental Stone. Egypt. Dent. J. 40 (2): 703-708, 1994.

Bakir, N.G. and Gomaa, H.M.: A Study of the Effect of Glass Ionomer Base on Hardness of Composite Resin. Egypt.Dent J. 40(2): 733-736, 1994.

Hamed, H.A., El Far, M.M. and Bakir, N.G.: Effects of Disinfectant Gas on Dimensional Accuracy of Alginate Impression Material. New Egypt. J. Med. 11 (1): 71-76, 1994.

Amin, A.M., Bakir, N.G. and Farid, M.R.: Effect of Surface Treatments and Storage Methods on the Shear Bond Strength  
Between Composite / Glass Ionomer Laminate. Egypt. Dent. J. 40(4): 871-878, 1994.

Moussa, T.A. and Bakir, N.G.: Corrosion Behavior, Hardness and Microstructure of a Titanium Containing Cobalt Chromium Alloy: Casting vs. Recasting. Cairo Dent. J. 15(4): 1217-1221, 1999.

Bakir, N.G. and Zidan, S.M.: Microstructure and Selected Mechanical Properties of a Ni-Cr and a Co-Cr Ceramic Alloys: As-Cast and after Simulated Porcelain Firing Cycles. Egypt. Dent. J. 46 (4); 2421-2428, 2000. 

Bakir, N.G., Shalaby, H.M. and Hussein, M.: Glass Fiber-Reinforced Acrylic Resin as a Repair Material: An In-Vitro Study. Egypt. Dent. J. 46 (4): 2429-2439, 2000.

Bakir, N.G., and Abi-El-Hassan, M.H.: Effect of At-Home Bleaching and Fluoride Desensitizing Agents on Surface Properties of AS-Set vs. Sof-lex Finished Contemporary Direct Esthetic Restoratives. Egypt. Dent.J. 46(4): 2441-2450, 2000.

Badr, N.A., Abu Tabl, Z. and Bakir, N.G.: Effect of Titanium Addition to a Cobalt-Chromium Partial Denture on the Alloy’s Ductility and Stiffness .Accepted for publication Egypt. Dent J.

Bakir, N.G., and Hassanein, O.E.: Effect of Pulse-Delay Curing Technique on Selected Properties of Two restorative Composite Resin Systems .Accepted for publication Egypt Dent. J
 
Bakir, N. G., and Fouad, H.A.: Effect of Polishing on Surface Profile of Some Ceramic Inlay Materials. Accepted for Publication Egypt. Dent. J.

Contributor in: “Dental Materials”, Faculty of Oral & Dental Medicine, Cairo University (2000 -2006).

Contributor in: “Essentials of Dental Materials”, Faculty of Oral & Dental Medicine, Cairo University (2007).