Grace M.
De Souza
D.D.S., M.Sc., Ph.D.
Grace De Souza
Main Appointments

Associate Professor, Faculty of Dentistry


Dr. Grace De Souza’s research focuses on both optimizing restorative dental materials (including new high-crystalline ceramic systems) and analyzing the mechanism of materials used in restorative and prosthodontic procedures, and the effect of those materials on natural dentition. 

Research & Clinical Specialties

Vice President, Women in Science Network, IADR (2020)

Mitacs Globalink Internship Award (2019)

NSERC Discovery grant (2018)

Mitacs Globalink Internship Award (2018)

NSERC Research Tools and Instruments/Category 1 (2013)

Dental Research Institute Funding (2013)

University of Toronto Enrichment Endowment Fund (2012)


Select Publications

Alshamrani A, De Souza GM. Effect of ionizing radiation on mechanical properties and translucency of monolithic zirconia. J Biomed Mater Res B Appl Biomater 2019; 1-9.

Barreto SC, Lima RBW, Aguiar FHB, Santos CT, Paulillo LAMS, De Souza GM. Mechanical properties of aged yttria- tetragonal zirconia polycrystal (Y-TZP) after blasting with different aluminum oxide particles. J Prosthet Dent 2019;

Lima RBW, Barreto SC, Alfrisany NM, Porto TS, De Souza GM, De Goes MF. Effect of silane and MDP-based primers on physico-chemical properties of zirconia and its bond strength to resin cement. Dent Mater 2019;

Lima RBW, Barreto SC, Hajhamid B, De Souza GM, De Goes MF. Effect of cleaning protocol on silica deposition and silica-mediated bonding to Y-TZP. Dent Mater 2019;