Background. Repair is used to increase the longevity of defective restorations, such as large amalgams. The aim of this study was to investigate the fracture resistance and fracture modes of mesio-occlusodistal (MOD) amalgam molar restorations with extensive cuspal fracture repaired or replaced using a bulk-fill resin-based composite material.

Authors. Catherine E. Hopkins, DDS, MS; Natalia Restrepo-Kennedy, DDS, MS; Amira Elgreatly, DDS, MS; Carissa Comnick, MS; Marcos Vargas, DDS, MS; Erica C. Teixeira, DDS, MS, PhD

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