{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T19:40:26Z","timestamp":1775936426680,"version":"3.50.1"},"reference-count":31,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2021,7,22]],"date-time":"2021-07-22T00:00:00Z","timestamp":1626912000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int Endodontic J"],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>This prospective clinical study evaluated the clinical performance of managing cracked teeth with reversible pulpitis through a combination of internal and external splinting and investigated factors that can affect pulp survival after splinting.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methodology<\/jats:title><jats:p>Thirty\u2010four teeth diagnosed with cracks and reversible pulpitis were enrolled and treated with bidirectional crack splinting: 1) immediate splinting with a stainless\u2010steel band, 2) internal splinting with crack line removal and resin filling and 3) external splinting with a temporary crown followed by final crown placement. If the symptoms remained\/recurred, root canal treatment was performed. Patients were followed up at 3, 6 and 12\u00a0months, then annually thereafter. Kaplan\u2013Meier survival analysis to calculate the survival of the treated teeth and Cox univariate proportional hazards regression model to investigate prognostic factors were performed.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty\u2010nine (97%) teeth were followed up for up to 4\u00a0years. The pulp survival rate was 72% after banding and 91% after final crown cementation. No tooth was extracted (100% tooth survival rate). In the univariate Cox proportional hazard test, pain on percussion was the only statistically significant factor (hazard ratio\u00a0=\u00a011.77). Teeth with pain on percussion at the first visit had a pulp survival rate of 46% during the follow\u2010up period. In comparison, their counterparts without pain had a 94% pulp survival rate.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Bidirectional splinting successfully managed cracked teeth with reversible pulpitis. Pain on percussion (mechanical allodynia) may be an important factor in deciding whether to attempt root canal treatment on symptomatic cracked teeth. A step\u2010by\u2010step approach with bidirectional crack splinting should be encouraged for a cracked tooth with a vital pulp without mechanical allodynia rather than pre\u2010emptive root canal treatment.<\/jats:p><\/jats:sec>","DOI":"10.1111\/iej.13597","type":"journal-article","created":{"date-parts":[[2021,7,10]],"date-time":"2021-07-10T19:04:45Z","timestamp":1625943885000},"page":"1727-1737","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Survival and prognostic factors of managing cracked teeth with reversible pulpitis: A 1\u2010 to 4\u2010year prospective cohort study"],"prefix":"10.1111","volume":"54","author":[{"given":"Junghoon","family":"Lee","sequence":"first","affiliation":[{"name":"Microscope Center Department of Conservative Dentistry and Oral Science Research Center Yonsei University College of Dentistry Seoul Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8889-9844","authenticated-orcid":false,"given":"Sunil","family":"Kim","sequence":"additional","affiliation":[{"name":"Microscope Center Department of Conservative Dentistry and Oral Science Research Center Yonsei University College of Dentistry Seoul Korea"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2126-4761","authenticated-orcid":false,"given":"Euiseong","family":"Kim","sequence":"additional","affiliation":[{"name":"Microscope Center Department of Conservative Dentistry and Oral Science Research Center Yonsei University College of Dentistry Seoul Korea"},{"name":"Department of Electrical &amp; 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