Evidence map›Paper›PMID 42689092›Full record

ArticleJournal of dental sciences2026

A novel method for the precise second mesiobuccal canal orifice location: A combined strategy for enhanced clinical practice.

Yuhan Wang, Lingyun Li, Lu Zhang, Xiaoyan Wang

Abstract read
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Article in Journal of dental sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

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3 · Its place in the literature

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4 · The record

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PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Yuhan Wang *Department of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China.
Lingyun Li *Department of Stomatology, Zhengzhou Central Hospital Affiliated to Zhengzhou University, Zhengzhou, China.
Lu ZhangDepartment of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China.
Xiaoyan WangDepartment of Cariology and Endodontology, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices & Beijing Key Laboratory of Digital Stomatology & Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health & NMPA Key Laboratory for Dental Materials & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background/purpose: Successful root canal treatment relies on thorough canal disinfection. The second mesiobuccal (MB2) canals in maxillary molars poses a significant clinical challenge due to its complex anatomy and high prevalence. The conventional perpendicular line method for MB2 canal orifice localization has notable limitations in achieving precise point identification. This study evaluates a novel combined method that integrates the perpendicular line and parallel line principles to enhance the accuracy of MB2 canal orifice localization. Materials and methods: This study analyzed 73 CBCT scans of maxillary first molars with identifiable MB2 canals. A novel combined method integrating the perpendicular line and parallel line principles was compared with the conventional perpendicular line method for MB2 canal orifice localization. Prediction accuracy was evaluated based on coordinate measurements and assessed through analysis of spatial and linear distributions. Results: The combined method demonstrated significantly higher accuracy, with data points tightly clustered near the actual MB2 canal orifice versus the scattered distribution of the perpendicular line method. The 95 % confidence ellipse area was substantially smaller for the combined method (1.63 mm Conclusion: The combined method, which integrates the perpendicular line and parallel line principles, demonstrated superior accuracy in MB2 canal orifice localization, providing significant clinical value for the rapid and precise localization of the MB2 canal orifice.

Indexed as

Maxillary first molarMB2Root canal treatment

Identifiers

PMID42689092
PMCPMC13536432

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