{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T05:07:17Z","timestamp":1790140037178,"version":"4.0.1"},"reference-count":17,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Dent. Med."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Dental fusion, characterized by the joining of two neighboring tooth germs during odontogenesis, is an uncommon condition affecting approximately 0.1% of the permanent dentition. The unusual anatomy of the pulp chamber and the unpredictable root canal system pose significant challenges during endodontic treatment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Case report<\/jats:title>\n                    <jats:p>A 47-year-old female patient presented with a 6-month history of spontaneous nocturnal pain in the upper left anterior region. Clinical examination revealed a solitary tooth occupying the positions of teeth 22 and 23; the tooth had a buccal groove and severe distoproximal decay, with no tooth 23. Two pulp chambers joining into one canal in the middle third of the root and a distal periapical radiolucency were found on periapical radiography and cone beam computed tomography imaging.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Management<\/jats:title>\n                    <jats:p>Root canal treatment was performed using nickel\u2013titanium rotary instrumentation with activated irrigation and warm vertical obturation, followed by a split porcelain-fused-metal crown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>At the 6-month follow-up, the tooth was asymptomatic tooth with improving periapical condition, thus proving that the interdisciplinary approach guided by imaging provides predictable results in the treatment of permanently fused teeth.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fdmed.2026.1954240","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T04:48:19Z","timestamp":1790138899000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Case Report: Endodontic management of a fused maxillary lateral incisor and canine with split"],"prefix":"10.3389","volume":"7","author":[{"given":"Alen","family":"Romel","sequence":"first","affiliation":[{"name":"Department of Conservative Dentistry & Endodontics, Yenepoya Dental College, Yenepoya (Deemed to be University)","place":["Mangaluru, Karnataka, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adithya","family":"Kashyap K","sequence":"additional","affiliation":[{"name":"Department of Conservative Dentistry & Endodontics, KVG Dental College & Hospital","place":["Sullia, Karnataka, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. Vidhyadhara","family":"Shetty","sequence":"additional","affiliation":[{"name":"Department of Conservative Dentistry & Endodontics, Yenepoya Dental College, Yenepoya (Deemed to be University)","place":["Mangaluru, Karnataka, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K. Harish","family":"Shetty","sequence":"additional","affiliation":[{"name":"Department of Conservative Dentistry & Endodontics, Yenepoya Dental College, Yenepoya (Deemed to be University)","place":["Mangaluru, Karnataka, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nikhil","family":"Harikrishnan","sequence":"additional","affiliation":[{"name":"Department of Conservative Dentistry & Endodontics, Yenepoya Dental College, Yenepoya (Deemed to be University)","place":["Mangaluru, Karnataka, India"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,9,23]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"6661776","DOI":"10.1155\/2021\/6661776","article-title":"Fusion or gemination? 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