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In this study, a three-dimensional finite element analysis was used to compare the biomechanical characteristics of three different types of magnetic attachments in two-implant-retained mandibular overdentures. Flat-type, dome-type, and cushion-type of the magnetic attachments were designed to retain the overdenture. Four types of load were applied to the overdenture in each model: 100\u2009N vertical and oblique loads on the right first molar and a 100\u2009N vertical load on the right canine and the lower incisors. The biomechanical behaviors of peri-implant bone, abutment, and mucosa were recorded. In vertical incisors, vertical right canine, and oblique molar loading condition, the flat-type group exhibited the highest levels of maximum equivalent strain\/stress in the peri-implant bone. The total deformation of mucosa and the maximum equivalent strain\/stress in the oblique molar loading condition are about two times as the vertical molar loading condition. These results suggested that both cushion-type and dome-type of the magnetic attachments are better choices in two-implant-retained mandibular overdentures, and oblique loading is more harmful than vertical loading.<\/jats:p>","DOI":"10.1155\/2019\/6839517","type":"journal-article","created":{"date-parts":[[2019,4,8]],"date-time":"2019-04-08T23:30:51Z","timestamp":1554766251000},"page":"1-10","source":"Crossref","is-referenced-by-count":10,"title":["Comparison of Three Different Types of Two-Implant-Supported Magnetic Attachments on the Stress Distribution in Edentulous Mandible"],"prefix":"10.1155","volume":"2019","author":[{"given":"Fengling","family":"Hu","sequence":"first","affiliation":[{"name":"Department of Stomatology, The Fifth People\u2019s Hospital of Shanghai, Fudan University, 801 Heqing Road, Shanghai 200240, China"},{"name":"Department of Stomatology, Zhongshan Hospital of Fudan University, 180 Fenglin Road, Shanghai 200032, 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