top of page


  • Montoya, C., Jain, A., Londoño, JJ., Correa, S., Lelkes, PI., Sampaio de Melo, MA., Orrego, S.† (2021). Multifunctional Dental Composite with Piezoelectric Nano-Fillers for Combined Antibacterial and Mineralization Effects. ACS Applied Materials & Interfaces, In-Press. doi:10.1021/acsami.1c06331.

  • Yang, M., Chaghtai, A., Melendez, M., Hasson, H., Whitaker, E., Badi, M., Sperrazza, L., Godel, J., Yesilsoy, C., Tellez, M., Orrego, S., Montoya, C., Ismail, A. (2021). Mitigating saliva aerosol contamination in a dental school clinic. BMC Oral Health, 21(1), pp.1-8. doi:10.1186/s12903-021-01417-2

  • Montoya, C., Du, Y., Gianforcaro, AL., Orrego, S.. Yang, M., Lelkes, PI. (2021). On the road to smart biomaterials for bone research: definitions, concepts, advances, and outlook. Bone Research, 9 (1), 1-16. doi:10.1038/s41413-020-00131-z

  • Orrego, S., Chen, Z., Krekora, U., Hou, D., Jeon, S. Y., Pittman, M., ... & Kang, S. H. (2020). Bioinspired Materials with Self‐Adaptable Mechanical Properties. Advanced Materials, 32(21), 1906970.

  • Du, Y., Montoya, C., Orrego, S., Wei, X., Ling, J., Lelkes, P. I., & Yang, M. (2019). Topographic cues of a novel bilayered scaffold modulate dental pulp stem cells differentiation by regulating YAP signalling through cytoskeleton adjustments. Cell proliferation, 52(6), e12676.

  • Dagro, A., Rajbhandari, L., Orrego, S., Kang, S. H., Venkatesan, A., & Ramesh, K. T. (2019). Quantifying the local mechanical properties of cells in a fibrous three-dimensional microenvironment. Biophysical journal, 117(5), 817-828.

  • Li, J. Orrego, S., Pan, J., He, P. Kang, S.H. (2019). Ultrasensitive, flexible, and low-cost nanoporous piezoresistive composite for tactile pressure sensing. Nanoscale, In press. doi:10.1039/C8NR09959F​

  • Fang, L., Li, J., Zhu, Z., Orrego, S., Kang, S.H. (2018). Piezoelectric polymer thin films with architected cuts. Journal of Materials Research, 33 (3), 330-342. doi:10.1557/jmr.2018.6​

  • Orrego, S., Shoele, K., Ruas, A., Doran, K., Caggiano, B., Mittal, R., Kang, S.H. (2017). Harvesting ambient wind energy with an inverted piezoelectric flag. Applied Energy, 194, 212-222. doi:10.1016/j.apenergy.2017.03.016​

  • Orrego, S., Xu, H.H., Arola, D.D. (2017). Degradation in the fatigue crack growth resistance of human dentin by lactic acid. Materials Science and Engineering-C, 73, 716-725. doi:10.1016/j.msec.2016.12.065​

  • García, M., Laín, S., Orrego, S., Barbosa, J., Quintero, B. (2017). Hydraulic and rotor-dynamic interaction for performance evaluation on a Francis turbine. International Journal on Interactive Design and Manufacturing (IJIDeM), 11(3)623–632. doi:10.1007/s12008-016-0336-1​

  • Orrego, S., Melo, M.A., Lee, S.H., Xu, H.H., Arola, D.D. (2016). Fatigue of human dentin by cyclic loading and during oral biofilm challenge. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 105, 1978-1985. doi:10.1002/jbm.b.33729

  • Melo, M.A., Orrego, S., Weir, M.D., Xu, H.H., Arola, D.D. (2016). Designing multiagent dental materials for enhanced resistance to biofilm damage at the bonded interface. ACS Applied Materials & Interfaces, 8(18), 11779-11787. doi:10.1021/acsami.6b01923

  • Orrego, S., Romberg, E., Arola, D.D (2015). Synergistic degradation of dentin by cyclic stress and buffer agitation. Journal of the Mechanical Behavior of Biomedical Materials, 44, 121-132. doi:10.1016/j.jmbbm.2015.01.006


  • Lee, H.H., Majd, H., Orrego, S., Majd, B., Romberg, E., Mutluay, M.M., Arola, D.D. (2014). Degradation in the fatigue strength of dentin by cutting, etching and adhesive bonding. Dental Materials, 30(9), 1061-1072.   doi:10.1016/

  • Do, D., Orrego, S., Majd, H., Ryou, H., Mutluay, M.M., Xu, H.H., Arola, D.D. (2013). Accelerated fatigue of dentin with exposure to lactic acid. Biomaterials, 34(34), 8650-8659. doi:10.1016/j.biomaterials.2013.07.090

  • Laín, S., García, M., Quintero, B., Orrego, S. (2010). CFD numerical simulations of Francis turbines. Revista Facultad de Ingenieria Universidad de Antioquia,(51), 24-33.

  • Laín, S., García, M., Quintero, B., Orrego, S. (2008). Simulación numérica del flujo en turbomáquinas hidráulicas. Estado del arte y fuentes de error. Aplicación a turbinas Francis. Revista Universidad EAFIT, 44(152), 90-114.


  • Orrego, S., Montoya, C. Smart Composite with Antibiofilm, Mineralizing and Antiinfection Therapeutic Effects. PCT/US20/24951

  • Orrego, S., Kang, S.H. A Bioinspired Composite with Mechanically Adaptable and Self-Healable Attributes. U.S. Provisional Patent Application No.210473-9168-US01.P14826-01, filed in September 2017.

  • McLane, I., West, J., Emmanouilidou, D., Elhilali, M., Rennoll, V., Orrego, S., Kang, S.H. Tunable Thin-Film Acoustic Sensor, Manufacturing Methods, and Processing Algorithms. To be filed in 2020.


  • Laín, S., García, M.J., Avellan, F., Quintero, B., Orrego, S. (2011). Simulación numérica de turbinas Francis. ISBN: 978-958-720-102-4. Fondo Editorial EAFIT. Medellín, Colombia

bottom of page