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

1. Bufalá Pérez, M.
2. Zubizarreta-Macho, Á.
3. Borrajo Sánchez, J.
4. Hernández Rodríguez, J.
5. Alonso Pérez-Barquero, J.
6. Riad Deglow, E.
7. Hernández Montero, S.