Microleakage in class II restorations of two bulk fill resin composites and a conventional nanohybrid resin composite: an in vitro study at 10,000 thermocycles. - Cayo-Rojas CF; Hernández-Caba KK; Aliaga-Mariñas AS; Ladera-Castañeda MI; Cervantes-Ganoza LA (BMC oral health, 2021)