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[The effects of relieving space to stress distribution of mandibular implant-supported overdenture]
1Department of Stomatology, Third Clinical Hospital of Norlman Bethune Medical University, Changchun 130041, China.
Objective:
To study the effects of relieving space to stress distribution of mandibular implant-supported overdenture under shocking loads.
Methods:
3-DFE method was used to make a comparative study of the effects of relieving space to stress distribution of the implant-supported overdenture under shocking loads.
Results:
The application of stress relieving space can lower the stress peaks of the implants, periimplant tissue and the denture base. The highest stress of compression in lateral bone-implants interface reduced 52%.
Conclusion:
The application of stress relieving space can be helpful to protect implants, periimplant tissue and denture base.
