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The perforating internal root resorption was firstly diagnosed with periapical radiographs and assessed with full detail with the aid of CBCT, allowing determination of the extension and areas involved in the resorption lesion, as well as the treatment planning. According to these findings, a MTA barrier was performed on the root, \u2010coronally to the resorption lesion, leaving the root apically to the resorption lesion untouched. Clinical findings and periapical radiographs indicated complete resolution of the radiolucency associated with the resorptive defect, with reestablishment of lamina dura along the root and occlusion of the lumen of the root canal in the apical segment, after a 5\u2010year follow\u2010up.<\/jats:p>","DOI":"10.1111\/aej.12436","type":"journal-article","created":{"date-parts":[[2020,9,25]],"date-time":"2020-09-25T14:16:54Z","timestamp":1601043414000},"page":"452-457","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Management of a perforating internal root resorption using mineral trioxide aggregate: a case report with 5\u2010year follow\u2010up"],"prefix":"10.1111","volume":"46","author":[{"given":"Rui","family":"Pereira da Costa","sequence":"first","affiliation":[{"name":"Department of Restorative Dentistry School of Dentistry of Ribeir\u00e3o Preto University of S\u00e3o Paulo  S\u00e3o Paulo 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