Joao Pedro Justino de Oliveira Limirio, Jéssica Marcela de Luna Gomes, Joel Ferreira Santiago-Junior, Bruna Egumi Nagay, Aldiéris Alves Pesqueira, Wirley Gonçalves Assunção, Maria Cristina Rosifini Alves-Rezende, Eduardo Piza Pellizzer
OBJECTIVES: This study aimed to assess the influence of translucent monolithic versus bilayered crowns and whether the use of a CoCr base abutments affects the fatigue and fracture resistance of screwed implant-supported single crowns with external connections under mechanical cycling. MATERIALS AND METHODS: Fifty specimens were divided into groups: (1) metal-ceramic (MC) crown, (2) veneered zirconia crown (Zr), (3) veneered zirconia crown with a CoCr base abutment (ZrB), (4) monolithic translucent zirconia crown (MZr), and (5) monolithic translucent zirconia crown with a CoCr base abutment (MZrB)...
April 25, 2024: Journal of Esthetic and Restorative Dentistry