Objective: To compare the retention of ball attachments versus locator attachments in implant-supported mandibular overdentures during 5000 insertion and removal cycles.
Methodology: This quasi-experimental study was conducted from January 2022 to October 2023. The sample size was 20 edentulous mandibular models and overdentures adequately seated with their respective housings. The overdentures were subjected to 5000 cycles of dislodging force using a universal testing machine, and the maximum loads needed to disengage the overdenture were measured for each cycle. The force values were then calculated. The data were analyzed using SPSS 22.
Results: There was a significant difference in retentive forces between ball and locator types of attachments (p
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