{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T01:10:20Z","timestamp":1778548220971,"version":"3.51.4"},"reference-count":9,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T00:00:00Z","timestamp":1774915200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"},{"start":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T00:00:00Z","timestamp":1778544000000},"content-version":"vor","delay-in-days":42,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Med Case Reports"],"DOI":"10.1186\/s13256-026-05992-2","type":"journal-article","created":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T19:25:51Z","timestamp":1774985151000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Conservative treatment of a horizontal root fracture at the bone margin of a mandibular central incisor: a case report"],"prefix":"10.1186","volume":"20","author":[{"given":"Katsuyuki","family":"Atsumi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6980-5179","authenticated-orcid":false,"given":"Naomi","family":"Tanoue","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2026,3,31]]},"reference":[{"key":"5992_CR1","doi-asserted-by":"publisher","first-page":"509","DOI":"10.1016\/S0011-8532(22)02510-1","volume":"36","author":"EJ Hovland","year":"1992","unstructured":"Hovland EJ. Horizontal root fractures. Treatment and repair. Dent Clin North Am. 1992;36:509\u201325. https:\/\/doi.org\/10.1016\/S0011-8532(22)02510-1.","journal-title":"Dent Clin North Am"},{"key":"5992_CR2","doi-asserted-by":"publisher","first-page":"579","DOI":"10.1016\/j.joen.2024.02.002","volume":"50","author":"M Sheikhnezami","year":"2024","unstructured":"Sheikhnezami M, Shahmohammadi R, Jafarzadeh H, Azarpazhooh A. Long-term outcome of horizontal root fractures in permanent teeth: a retrospective cohort study. J Endod. 2024;50:579\u201389. https:\/\/doi.org\/10.1016\/j.joen.2024.02.002.","journal-title":"J Endod"},{"key":"5992_CR3","doi-asserted-by":"publisher","first-page":"404","DOI":"10.1111\/j.1600-9657.2012.01132.x","volume":"28","author":"JO Andreasen","year":"2012","unstructured":"Andreasen JO, Ahrensburg SS, Tsilingaridis G. Root fractures: the influence of type of healing and location of fracture on tooth survival rates \u2013 an analysis of 492 cases. Dent Traumatol. 2012;28:404\u20139. https:\/\/doi.org\/10.1111\/j.1600-9657.2012.01132.x.","journal-title":"Dent Traumatol"},{"key":"5992_CR4","doi-asserted-by":"publisher","first-page":"379","DOI":"10.1111\/j.1600-9657.2008.00701.x","volume":"24","author":"M Cvek","year":"2008","unstructured":"Cvek M, Tsilingaridis G, Andreasen JO. Survival of 534 incisors after intra-alveolar root fracture in patients aged 7\u201317 years. Dent Traumatol. 2008;24:379\u201387. https:\/\/doi.org\/10.1111\/j.1600-9657.2008.00701.x.","journal-title":"Dent Traumatol"},{"key":"5992_CR5","doi-asserted-by":"publisher","DOI":"10.1186\/s13005-015-0071-z","volume":"11","author":"M Kaup","year":"2015","unstructured":"Kaup M, Dammann CH, Sch\u00e4fer E, Dammaschke T. Shear bond strength of Biodentine, ProRoot MTA, glass ionomer cement and composite resin on human dentine ex vivo. Head Face Med. 2015;11: 14. https:\/\/doi.org\/10.1186\/s13005-015-0071-z.","journal-title":"Head Face Med"},{"key":"5992_CR6","doi-asserted-by":"publisher","first-page":"460","DOI":"10.1111\/j.1600-9657.2011.01018.x","volume":"27","author":"M Roig","year":"2011","unstructured":"Roig M, Espona J, Mercad\u00e9 M, Duran-Sindreu F. Horizontal root fracture treated with MTA, a case report with a 10-year follow-up. Dent Traumatol. 2011;27:460\u20133. https:\/\/doi.org\/10.1111\/j.1600-9657.2011.01018.x.","journal-title":"Dent Traumatol"},{"key":"5992_CR7","doi-asserted-by":"publisher","first-page":"48","DOI":"10.1016\/j.jdsr.2023.02.002","volume":"59","author":"R Islam","year":"2023","unstructured":"Islam R, Islam MRR, Tanaka T, Alam MK, Ahmed HMA, Sano H. Direct pulp capping procedures \u2013 evidence and practice. Jpn Dent Sci Rev. 2023;59:48\u201361. https:\/\/doi.org\/10.1016\/j.jdsr.2023.02.002.","journal-title":"Jpn Dent Sci Rev"},{"key":"5992_CR8","doi-asserted-by":"publisher","first-page":"655","DOI":"10.4012\/dmj.2011-066","volume":"30","author":"H Nurrohman","year":"2011","unstructured":"Nurrohman H, Nikaido T, Sadr A, Takagaki T, Kitayama S, Ikeda M, et al. Long-term regional bond strength of three MMA-based adhesive resins in simulated vertical root fracture. Dent Mater J. 2011;30:655\u201363. https:\/\/doi.org\/10.4012\/dmj.2011-066.","journal-title":"Dent Mater J"},{"key":"5992_CR9","doi-asserted-by":"publisher","DOI":"10.1155\/crid\/9791300","volume":"2025","author":"K Atsumi","year":"2025","unstructured":"Atsumi K, Tanoue N. Treatment of horizontal root fractures in traumatized maxillary central incisors using minimally invasive surgical and prosthodontic foundation techniques. Case Rep Dent. 2025;2025: 9791300. https:\/\/doi.org\/10.1155\/crid\/9791300.","journal-title":"Case Rep Dent"}],"container-title":["Journal of Medical Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s13256-026-05992-2","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s13256-026-05992-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s13256-026-05992-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,12]],"date-time":"2026-05-12T00:28:13Z","timestamp":1778545693000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1186\/s13256-026-05992-2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3,31]]},"references-count":9,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2026,12]]}},"alternative-id":["5992"],"URL":"https:\/\/doi.org\/10.1186\/s13256-026-05992-2","relation":{},"ISSN":["1752-1947"],"issn-type":[{"value":"1752-1947","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,3,31]]},"assertion":[{"value":"13 July 2025","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"18 February 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"31 March 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"This case report describes a single patient and does not constitute a research study as defined by the \u201cEthical Guidelines for Medical and Health Research Involving Human Subjects in Japan.\u201d Written informed consent was obtained from the patient for publication of this report and accompanying images.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors have no competing interests to declare that are relevant to the content of this article.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"259"}}