Clinical outcomes of non-surgical multiple-visit root canal retreatment: a retrospective cohort study

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dc.authorid0000-0002-2168-710X
dc.authorid0000-0002-0308-9579
dc.contributor.authorOlcay, Keziban
dc.contributor.authorEyüboğlu, Tan Fırat
dc.contributor.authorÖzcan, Murat
dc.date.accessioned2019-12-25T13:47:33Z
dc.date.available2019-12-25T13:47:33Z
dc.date.issued2019
dc.departmentİstanbul Medipol Üniversitesi, Diş Hekimliği Fakültesi, Endodonti Ana Bilim Dalı
dc.description.abstractThis study aimed to investigate the effects of several clinical factors on the success and survival rates of multiple-visit non-surgical root canal (NSRC) retreatment. Failed endodontically treated 236 teeth in 161 patients (18-72 years, 48% males; and 52% females) were retreated between March 2014 and December 2015 and were enrolled in this study. Two calibrated examiners evaluated the preoperative, intraoperative, and postoperative outcomes using the periapical index (PAI) scores. The teeth were classified as healed (healthy apical tissues, PAI <= 2, no signs or symptoms), healing (no signs and symptoms, PAI > 2 but reduced from the initial PAI score), and not-healed (presence of apical periodontitis, signs and/or symptoms, PAI > 2). The teeth scored as healed and healing was considered to be successful, while the not-healed ones were considered as failures. Of the 236 teeth, 135 (57.3%) in 103 patients (63.9%) were lost to follow-up, yielding to follow-up of 101 teeth (42.7%) in 58 patients (36%). Three teeth were extracted yielding to an overall success rate of 85.1%, at a mean observation time of 33.8 months. The teeth with periapical lesions < 5 mm had an 88.6% success rate, while those >= 5 mm had an 80% success rate (P > 0.05). While, age, gender, preoperative, intraoperative, and postoperative factors did not significantly affect the outcomes (P > 0.05), tooth type significantly affected the success rate (P < 0.05). The most frequently failed teeth were the mandibular first molars (P < 0.05). Based on these results, the multiple-visit NSRC retreatment exhibited a favorable success rate and could be offered for the endodontically failed teeth.
dc.identifier.citationOlcay, K., Eyüboğlu, T. F. ve Özcan, M. (2019). Clinical outcomes of non-surgical multiple-visit root canal retreatment: a retrospective cohort study. Odontology, 107(4), 536-545. https://doi.org/10.1007/s10266-019-00426-6
dc.identifier.doi10.1007/s10266-019-00426-6
dc.identifier.endpage545
dc.identifier.issn1618-1247
dc.identifier.issn1618-1255
dc.identifier.issue4
dc.identifier.scopusqualityQ2
dc.identifier.startpage536
dc.identifier.urihttps://doi.org/10.1007/s10266-019-00426-6
dc.identifier.urihttps://hdl.handle.net/20.500.12511/4695
dc.identifier.volume107
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherSpringer
dc.relation.ispartofOdontologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/embargoedAccess
dc.subjectMultiple-Visit Endodontic Treatment
dc.subjectNon-Surgical Retreatment
dc.subjectRoot Canal Therapy
dc.subjectSuccess Rate
dc.subjectSurvival Rate
dc.titleClinical outcomes of non-surgical multiple-visit root canal retreatment: a retrospective cohort study
dc.typeArticle

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