{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T01:37:57Z","timestamp":1774661877514,"version":"3.50.1"},"reference-count":31,"publisher":"MJS Publishing, Medical Journals Sweden AB","license":[{"start":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T00:00:00Z","timestamp":1747699200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["AOS"],"abstract":"<jats:p>Objective: The relationship between orthodontic treatment and root resorption in endodontically treated teeth remains controversial. This systematic review and meta-analysis aimed to evaluate the effects of fixed appliance treatment on root resorption in root canal-treated teeth compared to vital teeth.\nMethods: A comprehensive literature search was conducted across multiple databases including PubMed, Embase, Cochrane Library, Web of Science, Sinomed, CNKI, and Wanfang. Studies comparing root resorption between root canal-treated teeth and vital teeth during orthodontic treatment were included. The methodological quality was assessed using the Cochrane risk of bias tool. Standardized mean differences (SMD) with 95% confidence intervals (CI) were calculated using random-effects models.\nResults: Ten studies involving 266 patients met the inclusion criteria. The overall effect showed no significant difference in root resorption between root canal-treated teeth and vital teeth (SMD\u00a0=\u00a0-0.08, 95% CI: -0.24 to 0.08, I\u00b2\u00a0=\u00a07.0%). Subgroup analyses revealed no significant differences based on measurement methods, extraction versus non-extraction treatment, or tooth position. However, extraction cases demonstrated a numerical trend toward greater root resorption in root canal-treated teeth (SMD\u00a0=\u00a0-0.70, 95% CI: -1.50 to 0.11, I\u00b2\u00a0=\u00a067.1%, p\u00a0=\u00a00.048), while the non-extraction group showed no meaningful differences (SMD\u00a0=\u00a0-0.07, 95% CI: -0.42 to 0.28, I\u00b2\u00a0=\u00a049.2%, p\u00a0=\u00a00.096).\nConclusions: This meta-analysis suggests that root canal-treated teeth do not show significantly different root resorption patterns compared to vital teeth during orthodontic treatment. However, extraction cases may require careful monitoring due to a tendency toward increased root resorption.<\/jats:p>","DOI":"10.2340\/aos.v84.43642","type":"journal-article","created":{"date-parts":[[2025,5,20]],"date-time":"2025-05-20T13:24:51Z","timestamp":1747747491000},"page":"275-283","source":"Crossref","is-referenced-by-count":3,"title":["Impact of fixed appliance treatment on root resorption in root canal-treated teeth: a systematic review and meta-analysis"],"prefix":"10.2340","volume":"84","author":[{"given":"Yongfang","family":"Feng","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rong","family":"Wang","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yumin","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shengnan","family":"Zhan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1183","published-online":{"date-parts":[[2025,5,20]]},"reference":[{"key":"112611","doi-asserted-by":"crossref","unstructured":"Yassir YA, Nabbat SA, McIntyre GT, Bearn D. 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