{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T20:42:37Z","timestamp":1790023357063,"version":"4.0.1"},"reference-count":15,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2019,2,6]],"date-time":"2019-02-06T00:00:00Z","timestamp":1549411200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Adv Periodontics"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:sec><jats:title>Introduction<\/jats:title><jats:p>A cemental tear (CeT) is a special type of surface root fracture that may cause periodontal and even periapical tissue destruction.<\/jats:p><jats:p>Unfortunately, there is limited knowledge as to how these rare cases can effectively be treated. The present case is believed to be the first reported in the literature treating a bony defect caused by a cemental tear with hyaluronic acid (HA) and a collagen membrane. The aim of this case report is to present a regenerative surgical approach with clinical and tomographic success and stability at 2\u2010year follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case Presentation<\/jats:title><jats:p>A 61\u2010year\u2010old patient presented with spontaneous pain and gingival swelling over his right central maxillary incisor. Radiographically, a radiolucent area was observed in the medial third between both central incisors. The tomographic evaluation showed a buccal bone dehiscence and a bony defect. Once the differential diagnosis with an endodontic\u2010periodontal lesion and root fracture was performed, CeT was the presumptive diagnosis. During the exploratory flap surgery, a small root fragment (CeT) on the mesial side of the tooth was founded and removed. The bony lesion was treated with hyaluronic acid (HA) and a resorbable collagen membrane. At 2\u2010year follow\u2010up clinical, radiographic, and tomographic success was observed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>A CeT\u2010associated bony defect could be successfully treated after removing cemental fragments and performing a regenerative approach using HA and a resorbable collagen membrane.<\/jats:p><\/jats:sec>","DOI":"10.1002\/cap.10053","type":"journal-article","created":{"date-parts":[[2018,12,22]],"date-time":"2018-12-22T08:49:01Z","timestamp":1545468541000},"page":"64-69","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Surgical Treatment of a Cemental Tear\u2010Associated Bony Defect Using Hyaluronic Acid and a Resorbable Collagen Membrane: A 2\u2010Year Follow\u2010Up"],"prefix":"10.1002","volume":"9","author":[{"given":"Andrea","family":"Pilloni","sequence":"first","affiliation":[{"name":"Section of Periodontics Department of Oral and Maxillofacial 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