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Three-dimensional assessment of maxillary first molar morphology in a South Indian population.

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Title: Three-dimensional assessment of maxillary first molar morphology in a South Indian population.
Authors: Gijo, Jinu (AUTHOR), Chandrasekaran, Charanya (AUTHOR), Nandhini, G. (AUTHOR), Sreelakshmi, P. S. (AUTHOR), Karunakaran, Janani (AUTHOR), Sindhushri, Balasubramanian (AUTHOR)
Source: Journal of Oral Research & Review. Jul-Dec2026, Vol. 18 Issue 2, p152-156. 5p.
Subjects: Cone beam computed tomography, Endodontics, South Asians, Molars, Dental pulp cavities
Abstract: Background: Root canal morphology often perceived as complex, can be effectively assessed using the cone-beam computed tomography (CBCT). In endodontics, CBCT provides high-resolution three-dimensional visualization of root canal systems, enabling the accurate identification of missed canals, complex canal configurations, and associated canal pathologies. The study focuses on accurately determining the root and canal configuration of the maxillary first molars from preexisting CBCT scans. Subjects and Methods: In vivo preexisting CBCTs were taken to examine maxillary first molars (n = 378). Parameters measured included root length, width of apical foramen, canal configuration based on Vertucci's classification, and presence of a second mesiobuccal (MB2) canal. Statistical analysis included Chi-square test and ANOVA. Results: South Indian population had three roots with a mean root length of 11.25 mm in MB root, 11.63 mm in distobuccal (DB) root, and 11.73 mm in palatal root. The MB root of 55.7% had an MB2 canal. All the canals in MB1, palatal, and DB had Type I canal configuration. Type IV canal is the most common configuration seen among MB2 canal with an incidence of 47.1%. Conclusion: We observed the presence of rare morphological variations in a single root, which have previously been documented only in isolated case reports. The use of CBCT imaging allows for the enhanced visualization of such anatomical complexities, providing deeper insights into root canal morphology, offering enhanced endodontic and improved clinical outcomes. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Oral Research & Review is the property of Wolters Kluwer India Pvt Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Three-dimensional assessment of maxillary first molar morphology in a South Indian population.
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  Data: <searchLink fieldCode="AR" term="%22Gijo%2C+Jinu%22">Gijo, Jinu</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chandrasekaran%2C+Charanya%22">Chandrasekaran, Charanya</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nandhini%2C+G%2E%22">Nandhini, G.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sreelakshmi%2C+P%2E+S%2E%22">Sreelakshmi, P. S.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Karunakaran%2C+Janani%22">Karunakaran, Janani</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sindhushri%2C+Balasubramanian%22">Sindhushri, Balasubramanian</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Oral+Research+%26+Review%22">Journal of Oral Research & Review</searchLink>. Jul-Dec2026, Vol. 18 Issue 2, p152-156. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Cone+beam+computed+tomography%22">Cone beam computed tomography</searchLink><br /><searchLink fieldCode="DE" term="%22Endodontics%22">Endodontics</searchLink><br /><searchLink fieldCode="DE" term="%22South+Asians%22">South Asians</searchLink><br /><searchLink fieldCode="DE" term="%22Molars%22">Molars</searchLink><br /><searchLink fieldCode="DE" term="%22Dental+pulp+cavities%22">Dental pulp cavities</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Background: Root canal morphology often perceived as complex, can be effectively assessed using the cone-beam computed tomography (CBCT). In endodontics, CBCT provides high-resolution three-dimensional visualization of root canal systems, enabling the accurate identification of missed canals, complex canal configurations, and associated canal pathologies. The study focuses on accurately determining the root and canal configuration of the maxillary first molars from preexisting CBCT scans. Subjects and Methods: In vivo preexisting CBCTs were taken to examine maxillary first molars (n = 378). Parameters measured included root length, width of apical foramen, canal configuration based on Vertucci's classification, and presence of a second mesiobuccal (MB2) canal. Statistical analysis included Chi-square test and ANOVA. Results: South Indian population had three roots with a mean root length of 11.25 mm in MB root, 11.63 mm in distobuccal (DB) root, and 11.73 mm in palatal root. The MB root of 55.7% had an MB2 canal. All the canals in MB1, palatal, and DB had Type I canal configuration. Type IV canal is the most common configuration seen among MB2 canal with an incidence of 47.1%. Conclusion: We observed the presence of rare morphological variations in a single root, which have previously been documented only in isolated case reports. The use of CBCT imaging allows for the enhanced visualization of such anatomical complexities, providing deeper insights into root canal morphology, offering enhanced endodontic and improved clinical outcomes. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Oral Research & Review is the property of Wolters Kluwer India Pvt Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.4103/jorr.jorr_123_25
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        Text: English
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        Type: general
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      – SubjectFull: South Asians
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      – SubjectFull: Dental pulp cavities
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      – TitleFull: Three-dimensional assessment of maxillary first molar morphology in a South Indian population.
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            NameFull: Gijo, Jinu
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            NameFull: Chandrasekaran, Charanya
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            – D: 01
              M: 07
              Text: Jul-Dec2026
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              Y: 2026
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