The　study　about　the　impact　of　implant　denture　on　getting　stuck　between　the　teeth　is　rarely　reported.　Computational　modeling　and　simulation　was　performed　in　this　study　in　order　to　investigate　the　effect　of　planting　denture　on　interdental　food　impaction.　Four　groups　of　experiment　were　designed;　Simplified　teeth　models　were　established　and　meshed;　loads　were　applied　to　the　models　and　boundary　conditions　were　constrained　in　the　state　of　teeth　chewing.　Finite　element　method　was　employed　to　analyze　the　deformation　of　teeth　and　impacted　object.　When　the　force　exerting　on　the　impacted　object　is　in　the　range　of　0-5.5N,　the　distance　between　denture　and　tooth　after　planting　denture　is　less　than　that　between　the　normal　teeth.　The　deformation　is　the　minimum　when　the　denture　is　lower　than　tooth.　When　the　force　exerting　on　the　impacted　object　is　in　the　range　of　0-5.5N,　interdental　food　impaction　is　easier　to　occur　after　planting　denture,　and　Interdental　food　impaction　may　be　more　likely　prevented　when　denture　is　lower　than　tooth.