Peri-implant strain with locator and bar attachment during dislodging of maxillary implant overdenture. A comparative invitro study

Purpose: This study aimed to evaluate Peri-implant strain with locator and bar attachment during dislodging of maxillary implant overdenture Materials methods: Four implants were inserted in completely edentulous acrylic model canine premolar areas. Experimental overdentures 4 metal hooks constructed connected the attachments (group I) or 2). Two gauges bonded at buccal palatal surface each implant. Micro strains measured vertical overdenture. Dislodging was made by chains one end a universal testing machine other end. Results: For implants, showed significant higher microstrain values than gauge positions. group, no difference between positions detected. However, for attachments, demonstrated gauges. gauges, both groups Conclusion: Within limitation this vitro study, could be concluded that may recommended retain terms reduced peri-implant stresses occur denture dislodgment which lead increased bone resorption around implants.