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Updated: Jan 27, 2026
09:30
Methods for the Study of the Zebrafish Maxillary Barbel
Published on: November 23, 2009
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Maxillary second molar with four roots and five canals.
Xinjia Sha1, Hantang Sun2, Jinwu Chen3
1Department of Dentistry for Special Services, School of Stomatology, The Fourth Military Medical University (FMMU), Xi'an, China.
Journal of Dental Sciences
|March 22, 2019
Summary
This case report details a rare maxillary second molar with five canals across four roots, presenting a unique dental anatomy challenge. Successful root canal treatment was performed for chronic apical periodontitis.
Area of Science:
- Dentistry
- Endodontics
- Dental Anatomy
Background:
- Maxillary second molars exhibit significant root and canal morphological variations.
- Understanding these variations is crucial for successful endodontic treatment.
Purpose of the Study:
- To report a rare case of a maxillary second molar with complex root and canal anatomy.
- To highlight the diagnostic and treatment challenges posed by such anatomical variations.
Main Methods:
- Clinical examination and radiography of a symptomatic maxillary second molar.
- Cone-beam computed tomography (CBCT) for detailed anatomical assessment.
- Root canal treatment performed under an endodontic microscope.
Main Results:
- Identification of a maxillary second molar with four roots: two palatal and two buccal.
- A total of five canals were detected: three in the buccal roots and two in the palatal roots.
- Successful completion of root canal therapy for chronic apical periodontitis.
Conclusions:
- This case underscores the importance of thorough radiographic and advanced imaging techniques in diagnosing complex root canal anatomy.
- Endodontic treatment of teeth with unusual morphology requires meticulous planning and execution.
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