Assessment of the Prevalence of Middle Mesial Canal in Mandibular First Molar: A Multinational Cross-sectional Study with Meta-analysis

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dc.authoridBuchanan, Glynn Dale/0000-0003-2957-166X
dc.authoridSurendar, Sugumaran/0000-0002-5338-7021
dc.authoridMagat, Guldane/0000-0003-4418-174X
dc.authoridMadfa, Ahmed A./0000-0001-6124-0129
dc.authoridHatipoglu, Omer/0000-0002-4628-8551
dc.authoridJukic Krmek, Silvana/0000-0002-2305-4082
dc.authoridBrochado Martins, Joao/0000-0002-3473-5801
dc.contributor.authorHatipoglu, Fatma Pertek
dc.contributor.authorMagat, Guldane
dc.contributor.authorHatipoglu, Omer
dc.contributor.authorTaha, Nessrin
dc.contributor.authorAlfirjani, Suha
dc.contributor.authorZainal, Imran
dc.contributor.authorLehmann, Anna Paulina
dc.date.accessioned2024-11-07T13:35:36Z
dc.date.available2024-11-07T13:35:36Z
dc.date.issued2023
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractBackground: An additional canal found in the mandibular first molar (M1M) is the middle mesial canal (MMC), which is often missed during root canal treatment. In this study, the prevalence of MMC in M1M on cone-beam computed tomography (CBCT) images was evaluated in 15 countries, along with the effect of some demographic factors on its preva-lence. Methods: Deidentified CBCT images were scanned retrospectively, and the ones including bilateral M1Ms were included in the study. A written and video instruction program explaining the protocol to be followed step-by-step was provided to all observers to calibrate them. The CBCT imaging screening procedure consisted of evaluating three planes (coronal, sagittal, and axial) after a 3-dimensional alignment of the long axis of the root(s). The presence of an MMC in M1Ms (yes/no) was identified and recorded. Results: In total, 6304 CBCTs, representing 12,608 M1Ms, were evaluated. A significant difference was found between countries (P < .05). MMC prevalence ranged from 1% to 23%, and the overall prevalence was 7% (95% confidence interval [CI]: 5%-9%). No significant differences were found between the left and right M1M (odds ratio = 1.09, 95% CI: 0.93, 1.27; P > .05) or between genders (odds ratio= 1.07, 95% CI: 0.91, 1.27; P > .05). As for the age groups, no significant differences were found (P > .05). Conclusions: The prevalence of MMC varies by ethnicity, but it is generally estimated at 7% worldwide. Physicians must pay close attention to the presence of MMC in M1M, especially for opposite M1Ms, due to the prevalence of MMC being significantly bilateral. (J Endod 2023;49:549-558.)
dc.identifier.doi10.1016/j.joen.2023.02.012
dc.identifier.endpage558
dc.identifier.issn0099-2399
dc.identifier.issn1878-3554
dc.identifier.issue5
dc.identifier.pmid36863567
dc.identifier.scopus2-s2.0-85151402457
dc.identifier.scopusqualityQ1
dc.identifier.startpage549
dc.identifier.urihttps://doi.org/10.1016/j.joen.2023.02.012
dc.identifier.urihttps://hdl.handle.net/11480/16560
dc.identifier.volume49
dc.identifier.wosWOS:000995909600001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Science Inc
dc.relation.ispartofJournal of Endodontics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241106
dc.subjectCone-beam computed tomography
dc.subjectendodontics
dc.subjectprevalence studies
dc.subjectroot canal
dc.titleAssessment of the Prevalence of Middle Mesial Canal in Mandibular First Molar: A Multinational Cross-sectional Study with Meta-analysis
dc.typeArticle

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