{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T16:20:43Z","timestamp":1792254043232,"version":"4.4.0"},"reference-count":25,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,1,15]],"date-time":"2019-01-15T00:00:00Z","timestamp":1547510400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100004901","name":"Funda\u00e7\u00e3o de Amparo \u00e0 Pesquisa do Estado de Minas Gerais","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100004901","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Dental Traumatology"],"published-print":{"date-parts":[[2019,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background\/Aim<\/jats:title><jats:p>Dental trauma is a common emergency in children with primary teeth. The aim of this study was to determine stress propagation to the permanent tooth germ and surrounding bone and soft tissues during dental trauma to primary central incisors with three levels of physiological root resorption.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and Methods<\/jats:title><jats:p>Stresses were determined using finite element analysis (<jats:styled-content style=\"fixed-case\">FEA<\/jats:styled-content>). Cross\u2010sectional models were created using cone\u2010beam computed tomography images of 3.5, 5, and 6\u00a0years olds, representing three different physiological root resorption stages of a maxillary primary central incisor. The models included periodontal ligament, bone, and soft tissues. An impact with an asphalt block moving at 1\u00a0m\/s,was simulated for two impact two directions, frontal on the labial tooth surface, and on the incisal edge. Stresses and strains were recorded during impact.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The impact caused stress concentrations in the surrounding bone and soft tissues and permanent tooth germ, regardless of the direction of impact and the primary tooth resorption stage. Impact stresses in dental follicles and surrounding bone increased in models with more physiological root resorption of the primary tooth. Incisal impact generated higher stress concentrations in surrounding bone and soft tissues and permanent tooth germ regardless of physiological root resorption stage. The primary incisor with no physiological root resorption showed high stress concentrations at its root apex.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>During impact to a primary incisor, stresses most significant for potential damage to the formation of permanent enamel and dentin were at the dental follicle and surrounding bone tissue with the three levels of physiological root resorption.<\/jats:p><\/jats:sec>","DOI":"10.1111\/edt.12460","type":"journal-article","created":{"date-parts":[[2018,12,18]],"date-time":"2018-12-18T15:37:52Z","timestamp":1545147472000},"page":"101-108","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":25,"title":["Dental trauma on primary teeth at different root resorption stages\u2014A dynamic finite element impact analysis of the effect on the permanent tooth germ"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2322-7067","authenticated-orcid":false,"given":"Andomar B. F.","family":"Vilela","sequence":"first","affiliation":[{"name":"Department of Operative Dentistry and Dental Materials Dental School Federal University of Uberl\u00e2ndia  Uberl\u00e2ndia Minas Gerais Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4492-8957","authenticated-orcid":false,"given":"Priscilla B. F.","family":"Soares","sequence":"additional","affiliation":[{"name":"Department of Periodontology and Implantology Dental School Federal University of Uberl\u00e2ndia  Uberl\u00e2ndia Minas Gerais Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3621-0216","authenticated-orcid":false,"given":"Fabiana S.","family":"de Oliveira","sequence":"additional","affiliation":[{"name":"Department of Pediatric Dentistry Dental School Federal University of Uberl\u00e2ndia  Uberl\u00e2ndia Minas Gerais Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2817-817X","authenticated-orcid":false,"given":"Tales C.","family":"Garcia\u2010Silva","sequence":"additional","affiliation":[{"name":"Department of Operative Dentistry and Dental Materials Dental School Federal University of Uberl\u00e2ndia  Uberl\u00e2ndia Minas Gerais 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