Removal capability, implant-abutment connection damage and thermal effect using ultrasonic and drilling techniques for the extraction of fractured abutment screws: an in vitro study

• Main Authors: María Bufalá Pérez (Author), Álvaro Zubizarreta-Macho (Author), Javier Borrajo Sánchez (Author), Jorge Hernández Rodríguez (Author), Jorge Alonso Pérez-Barquero (Author), Elena Riad Deglow (Author), Sofía Hernández Montero (Author)
• Format: Book
• Published: BMC, 2022-12-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract The aim of this work was to analyze and compare the removal capability, conical internal hex implant-abutment connection damage and thermal effect using ultrasonic and drilling techniques for the extraction of fractured abutment screws. Twenty abutment screws were randomly fractured into tw...