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Volume 26 , Issue 6
November/December 2013

Pages 563-565

Magnetic Attachment for Implant Overdentures: Influence of Contact Relationship with the Denture Base on Stability and Bending Strain

Tsung-Chieh Yang, DDS, PhD/Yoshinobu Maeda, DDS, PhD/Tomoya Gonda, DDS, PhD/Masahiro Wada, DDS, PhD

PMID: 24179971
DOI: 10.11607/ijp.3481

This study evaluated how the contact height between the magnetic attachment and denture base influences stability and bending strain. An implant modified with strain gauges and a magnetic attachment mounted in an acrylic resin block were used to characterize systems with varying degrees or heights of contact with the abutment. Bending strain under lateral loading increased significantly as the contact height decreased. In the no contact and resilient contact groups, magnetic assemblies separated at reduced bending strain in all loading conditions. The contact height of the magnetic attachment influenced the stability and the amount of bending strain on the implant. Int J Prosthodont 2013;26:563565. doi: 10.11607/ijp.3481

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