Conventional and Surgical Endodontic Retreatment of A Maxillary First Molar: Unusual Anatomy

Chen, I.-Ping; Karabucak, Bekir

doi:10.1016/j.joen.2005.07.006

Cited by 12 publications

(5 citation statements)

References 19 publications

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“…The most common anatomy of the maxillary second molar with three roots, categorized as Variant I, has three separate canals. Although other authors (Chen & Karabucak 2006, Yilmaz et al. 2006, Kim et al.…”

Section: Discussionmentioning

confidence: 97%

Use of CBCT to identify the morphology of maxillary permanent molar teeth in a Chinese subpopulation

Zhang

Yang

et al. 2010

International Endodontic Journal

207

169

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Section: Discussionmentioning

confidence: 97%

Use of CBCT to identify the morphology of maxillary permanent molar teeth in a Chinese subpopulation

Zhang

Yang

et al. 2010

International Endodontic Journal

207

169

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“…Although Chen et al., Yilmaz et al., and Kim et al. [29] , [30] , [31] have observed that other variants exist in root canal anatomy, these single-tooth variants were not focused upon and were detailed only in case reports. No C-shaped roots or canals were found in this study, in contrast to previous studies that have indicated a low incidence of C-shaped roots in the maxillary molars in a Chinese population [28] .…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the root and canal systems of maxillary molars in Taiwanese patients: A cone beam computed tomography study

Lin

Chen

et al. 2017

Biomedical Journal

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BackgroundThis study evaluated variations in root canal configuration in the maxillary permanent molars of Taiwanese patients by analyzing patients' cone beam computed tomography (CBCT) images. Comparisons were made among these configurations and those previously reported. This information may serve as a basis for improving the success rate of endodontic treatment.MethodsThe root canal systems of 114 Taiwanese patients with bilateral maxillary first or second molars were examined using CBCT images. The number of roots, canals per root, and additional mesiobuccal (MB) canals, as well as the canal configuration were enumerated and recorded.ResultsOf the 196 maxillary first molars examined, three (1.5%) had a single root, two (1.0%) had two roots, and 191 (97.5%) had three separate roots. Out of all first molar roots examined, 44% of mesiobuccal (MB) roots had a single canal and the remainder had a second MB (MB2) canal. Of the 212 maxillary second molars examined, 16 (7.1%) had a single root, 51 (24.2%) had two roots, 143 (67.8%) had three roots, and two (0.9%) had four separate roots. For the MB roots, 92.3% of three-rooted maxillary second molars had a single canal and the remainder had an MB2 canal. In all three-rooted maxillary first and second molars, each of the distal and palatal roots had one canal.ConclusionsThe root canal configurations of the MB roots of maxillary molars were more varied than those of the distobuccal and palatal roots, and the root canal configurations of maxillary second molars were more varied than those of the first molars. These findings demonstrate CBCT as a useful clinical tool for endodontic diagnosis and treatment planning.

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“…The number of case reports describing two distobuccal canals in maxillary first molars is limited, revealing the rarity of this anatomical feature (Martines‐Berna & Ruiz‐Badanelli 1983, Hulsmann 1997, Chen & Karabucak 2006, De Almeida‐Gomes et al. 2009).…”

Section: Discussionmentioning

confidence: 99%

“…(b) Resected distobuccal root showing previously unidentified DB 2 canal (magnification 16·). C A S E R E P O R T International Endodontic Journal, 44, 376-384, 2011 ª 2010 International Endodontic JournalDiscussionThe number of case reports describing two distobuccal canals in maxillary first molars is limited, revealing the rarity of this anatomical feature(Martines-Berna & Ruiz-Badanelli 1983, Hulsmann 1997, Chen & Karabucak 2006, De Almeida-Gomes et al 2009). During orthograde retreatment, inspection of the pulp chamber floor using the surgical operating microscope did not reveal any indication or possible orifice of a second root canal in the distobuccal root.…”

mentioning

confidence: 99%

Conventional and surgical endodontic treatment of a maxillary first molar with unusual anatomy – a case report

Floratos

Kratchman

2010

Int Endodontic J

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According to the literature, the presence of a second canal on the distobuccal root of a maxillary first molar is rare. This anatomical anomaly might lead to an unfavourable outcome if clinicians fail to identify and treat it properly. The following case report describes conventional and surgical endodontic treatment of a maxillary left first molar with two canals on the distobuccal root. Key learning points • Anatomical variations of the root canal system are a challenge for clinicians during root canal retreatment. • The principles and techniques of endodontic microsurgery are of utmost importance in clinical practice, and clinicians should be aware of them.

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Conventional and Surgical Endodontic Retreatment of A Maxillary First Molar: Unusual Anatomy

Cited by 12 publications

References 19 publications

Use of CBCT to identify the morphology of maxillary permanent molar teeth in a Chinese subpopulation

Use of CBCT to identify the morphology of maxillary permanent molar teeth in a Chinese subpopulation

Evaluation of the root and canal systems of maxillary molars in Taiwanese patients: A cone beam computed tomography study

Conventional and surgical endodontic treatment of a maxillary first molar with unusual anatomy – a case report

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