{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T21:34:25Z","timestamp":1773869665143,"version":"3.50.1"},"reference-count":18,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2015,5,15]],"date-time":"2015-05-15T00:00:00Z","timestamp":1431648000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Dental Traumatology"],"published-print":{"date-parts":[[2015,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The purpose of this study was to investigate stress on poly\u2010L\u2010lactic acid (<jats:styled-content style=\"fixed-case\">PLLA<\/jats:styled-content>) plates with a thickness of 1.4\u00a0mm and titanium plates with a thickness of 1.0 and 1.4\u00a0mm placed for mandibular symphyseal fractures with or without conservatively treated, unilateral condylar fractures using finite element analysis. The symphyseal fracture region was defined by the following three conditions: the defect, the callus, and the contact condition. Stress on the plates was analyzed by an applying occlusal force of 478.1\u00a0N on the first molar of the non\u2010condylar fracture side. In the model of isolated symphyseal fracture, the maximal stresses were below the material strength in all plate types and conditions. In the models with condylar fracture, the maximal stresses on these plates were much higher than those in the models of isolated symphyseal fracture, especially for the defect condition. Although the maximal stresses on all types of plates in the contact condition were below the material strengths, some of those in the defect condition were higher than these strengths. These results suggest that a <jats:styled-content style=\"fixed-case\">PLLA<\/jats:styled-content> plate can theoretically withstand stress under good reductions of symphyseal fractures, even for condylar fractures; however, both the <jats:styled-content style=\"fixed-case\">PLLA<\/jats:styled-content> plate and titanium miniplate may be at risk of fracture under poor reduction.<\/jats:p>","DOI":"10.1111\/edt.12179","type":"journal-article","created":{"date-parts":[[2015,5,15]],"date-time":"2015-05-15T08:11:38Z","timestamp":1431677498000},"page":"396-402","source":"Crossref","is-referenced-by-count":15,"title":["Biomechanical analysis of poly\u2010L\u2010lactic acid and titanium plates fixated for mandibular symphyseal fracture with a conservatively treated unilateral condylar fracture using the three\u2010dimensional finite element method"],"prefix":"10.1111","volume":"31","author":[{"given":"Kazuhiro","family":"Murakami","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Nara Medical University Kashihara City Nara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiko","family":"Yamamoto","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Nara Medical University Kashihara City Nara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tsutomu","family":"Sugiura","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Nara Medical University Kashihara City Nara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Masayoshi","family":"Kawakami","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Nara Medical University Kashihara City Nara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Satoshi","family":"Horita","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Nara Medical University Kashihara City Nara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tadaaki","family":"Kirita","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery Nara Medical University Kashihara City Nara Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2015,5,15]]},"reference":[{"key":"e_1_2_5_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.tripleo.2009.11.003"},{"key":"e_1_2_5_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joms.2009.03.064"},{"key":"e_1_2_5_4_1","first-page":"339","article-title":"Treatment of mandibular fractures by means of osteosynthesis without intermaxillary immobilization according to F.X. 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