{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T11:50:22Z","timestamp":1790682622514,"version":"4.1.0"},"reference-count":27,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2013,4,1]],"date-time":"2013-04-01T00:00:00Z","timestamp":1364774400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Frontier Cosmetic Dental Laboratory Limited"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2013,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>This study analyzes the effects of loading a Kennedy class I implant\u2010assisted removable partial denture (IARPD) using finite element analysis (FEA). Standard RPDs are not originally designed to accommodate a posterior implant load point. The null hypothesis is that the introduction of posteriorly placed implants into an RPD has no effect on the load distribution.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>A Faro Arm scan was used to extract the geometrical data of a human partially edentulous mandible. A standard plus regular neck (4.8 \u00d7 12 mm) Straumann\u00ae implant and titanium matrix, tooth roots, and periodontal ligaments were modeled using a combination of reverse engineering in Rapidform XOR2 and solid modeling in Solidworks 2008 FEA program. The model incorporated an RPD and was loaded with a bilateral force of 120 N. ANSYS Workbench 11.0 was used to analyze deformation in the IARPD and elastic strain in the metal framework.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>FEA identified that the metal framework developed high strain patterns on the major and minor connectors, and the acrylic was subjected to deformation, which could lead to acrylic fractures. The ideal position of the neutral axis was calculated to be 0.75 mm above the ridge.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A potentially destructive mismatch of strain distribution was identified between the acrylic and metal framework, which could be a factor in the failure of the acrylic. The metal framework showed high strain patterns on the major and minor connectors around the teeth, while the implant components transferred the load directly to the acrylic.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.12031","type":"journal-article","created":{"date-parts":[[2013,4,1]],"date-time":"2013-04-01T21:56:48Z","timestamp":1364853408000},"page":"550-555","source":"Crossref","is-referenced-by-count":20,"title":["Finite Element Analysis of an Implant\u2010Assisted Removable Partial Denture"],"prefix":"10.1111","volume":"22","author":[{"given":"Reza","family":"Shahmiri","sequence":"first","affiliation":[{"name":"Private practice  Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John M.","family":"Aarts","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincent","family":"Bennani","sequence":"additional","affiliation":[{"name":"Private practice  Auckland New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Momen A.","family":"Atieh","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael V.","family":"Swain","sequence":"additional","affiliation":[{"name":"Department of Oral Rehabilitation University of Otago  Dunedin New Zealand"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,4]]},"reference":[{"key":"e_1_2_6_2_1","volume-title":"Second International Prosthodontic Congress","author":"Manderson RD","year":"1979"},{"key":"e_1_2_6_3_1","volume-title":"McCracken's Removable Partial Denture","author":"Carr AB","year":"2011"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/0022-3913(84)90140-9"},{"key":"e_1_2_6_5_1","first-page":"1095","article-title":"Effect of implant support on distal\u2010extension removable partial dentures: in vivo assessment","volume":"23","author":"Ohkubo C","year":"2008","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2842.2009.02044.x"},{"key":"e_1_2_6_7_1","first-page":"270","article-title":"The effect of partial denture connectors on gingival health","volume":"90","author":"Orr S","year":"1992","journal-title":"J Prosthet Dent"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1097\/ID.0b013e3180500b2c"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1563\/1548-1336(2007)33[139:CSCACR]2.0.CO;2"},{"key":"e_1_2_6_10_1","volume-title":"Advanced Removable Partial Dentures","author":"Brudvik JS","year":"1999"},{"key":"e_1_2_6_11_1","first-page":"744","article-title":"Use of dental implants to improve unfavorable removable partial denture design","volume":"26","author":"Mijiritsky E","year":"2005","journal-title":"Compend Contin Educ Dent"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2009.04.081"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2004.04.010"},{"key":"e_1_2_6_14_1","article-title":"Mandibular removable partial dentures supported by implants: one\u2010year prosthodontic outcomes. 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