Failed Orthodontic PEEK Retainer: A Scanning Electron Microscopy Analysis and a Possible Failure Mechanism in a Case Report

• Main Authors: Piero Antonio Zecca (Author), Salvatore Bocchieri (Author), Andrea Carganico (Author), Margherita Caccia (Author), Rosamaria Fastuca (Author), Marina Borgese (Author), Luca Levrini (Author), Marcella Reguzzoni (Author)
• Format: Book
• Published: MDPI AG, 2024-07-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

This study presents a scanning electron microscopy analysis of a failed PEEK retainer in an orthodontic patient. After 15 months of use, the patient reported a gap opening between teeth 41 and 42. The PEEK retainer was removed and sent for electron microscope analysis. To investigate the failure, sc...