Comparison of changes in retentive force of three stud attachments for implant overdentures

PURPOSE. The aim of this study was to compare the changes in retentive force of stud attachments for implant overdentures by in vitro 2-year?wear simulation. MATERIALS AND METHODS. Three commercially available attachment systems were investigated: Kerator blue, O-ring red, and EZ lock. Two implant fixtures were embedded in parallel in each custom base mounting. Five pairs of each attachment system were tested.

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Retention and wear behaviors of two implant overdenture stud-type attachments at different implant angulations

Patients with edentulism and substantial alveolar bone resorption experience discomfort if their dentures lack stability, retention, or support. 1 Implantretained overdentures with attachments are a suitable option for these patients2-4 and have been suggested as standard treatment options for improved retention and stability.5,6 Bar or stud attachments can be used with implant-retained overdentures.

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