Ryan Eliott HAROUNY

مدرّس

كُلِّيّة طِبّ الأَسْنان

+961 (1) 421 000 ryaneliott.harouny@usj.edu.lb

Dr. Ryan Harouny holds a Doctor of Dental Surgery degree, which he obtained in 2019 from Saint Joseph University of Beirut (USJ). In 2022, he also completed a double Master’s degree in Esthetic and Prosthetic Dentistry and in Biomaterials. Alongside his private practice, he has been serving, since 2021, as a Lecturer at the Faculty of Dental Medicine (FMD) at USJ, within the Department of Restorative and Esthetic Dentistry, and concurrently holds the position of Associate Researcher at the Craniofacial Research Laboratory (LRCF) at USJ. In 2024, he was awarded the Gérard Tabourian Prize by the International College of Dentists for his academic research. He has also published numerous articles in international scientific journals.

محاور البحث

Restorative dentistry, composite resins, dental ceramics, aligners, PEEK, and dental biomaterials

المنشورات والمداخلات

El Feghaly A, Nasr E, Lukomska-Szymanska MM, Zmysłowska-Polakowska E, Najjar G, Harouni R, Bourgi R, Hardan L. Effect of different surface treatments on the bond strength of zirconia to resin cement. An in vitro study. Frontiers in Dental Medicine.;7:1778379 Harouny R, Hardan L, Harouny E, Kassis C, Bourgi R, Lukomska-Szymanska M, Kharouf N, Ball V, Khairallah C. Adhesion of Resin to Lithium Disilicate with Different Surface Treatments before and after Salivary Contamination—An In-Vitro Study. Bioengineering. 2022 Jun 29;9(7):286. Hardan L, Bourgi R, Cuevas-Suárez CE, Ghaleb M, Kharma K, Harouny R, Radwanski M, Lukomska-Szymanska M. Can Sodium Ascorbate Increase the In Vitro Bond Strength of the Interface between a Composite and Bleached Enamel?. Coatings. 2023 Jun 8;13(6):1064. Haddad C, Harouny R, Nasr L, Corbani K, Tassidis R. Influence of the margin design on the fracture resistance of implant supported monolithic zirconia crowns : an in vitro study. International Arab Journal of Dentistry. 2023 Jul 1;14(2). Bourgi R, Hardan L, Cuevas-Suárez CE, Devoto W, Kassis C, Kharma K, Harouny R, Ashi T, Mancino D, Kharouf N, Haikel Y. Effectiveness of Different Application Modalities on the Bond Performance of Four Polymeric Adhesive Systems to Dentin. Polymers. 2023 Sep 28;15(19):3924. Kharma K, Hardan L, Kassis C, Dimitriu B, Harouny R, Baba NZ, Bourgi R, Zogheib CM. Can a Novel Device with Pure Dry Air Increase the Shear Bond Strength of Dental Composites to Dentin? An Experimental Study. Dentistry Journal. 2024 Jun;12(6):160. Tahan FI, Abdelhamid AM, Osman E, Harouny R, Hachem R, Aly YM. The effect of nitric acid–hydrofluoric acid etching solution on the shear bond strength and mode of failure of resin cement to zirconia (In vitro study). Annali di stomatologia. 2024 Jul 17;15(2):85-93. Kabbara M, Harouny R, Rahme H. Investigation of fracture resistance with different diameters of polyetherketoneketone posts and cores material: a pilot study. International Arab Journal of Dentistry (IAJD). 2024 Oct 17;15(2):36-45. Suzanne AB, Kassis C, Harouny R, Lara NA, Najjar G, Khoury M. Evaluation of fracture resistance of composite resin and glass ionomer in beveled versus non beveled class II restorations in primary molars: In vitro comparative study. International Arab Journal of Dentistry (IAJD). 2024 Oct 17;15(2):91-100. Assaf Y, El Hachem R, Kaloustian MK, Zogheib C, Khalil I, Najjar G, Harouny R, Sfeir G. Impact of Aging on the Push-out Bond Strength of Two Endodontic Sealers: A Comparative In Vitro Study. The Journal of Contemporary Dental Practice. 2025 Sep 18;26(7):645-51. Nassif M, Lawand G, Revilla-León M, Najjar G, Harouny R, Saleh A, Tohme H. Effect of pick-up material and hole diameter on the flexural strength of milled polymethyl methacrylate complete arch implant-supported interim prostheses. The Journal of Prosthetic Dentistry. 2025 Oct 16.