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Related Experiment Video

Updated: May 9, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

[Maxillary first molar with two palatal canals: a case report].

¹Department of Operative Dentistry and Endodontics, Chengde Stomatological Hospital, Chengde, Hebei Province, China. 648873316@qq.com

Shanghai Kou Qiang Yi Xue = Shanghai Journal of Stomatology

|July 16, 2013

Summary

A rare case of a maxillary first molar with four root canals, including two palatal canals, was identified. This highlights the importance of vigilance for root canal variations during endodontic therapy.

Related Experiment Videos

Last Updated: May 9, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Area of Science:

Endodontics
Dental Anatomy
Radiology

Background:

Root canal anatomy can exhibit significant variations.
Understanding normal and variant anatomy is crucial for successful endodontic treatment.
Maxillary first molars typically present with specific root canal configurations.

Observation:

A patient presented with acute pulpitis in tooth 26 (maxillary first molar).
Intraoral examination revealed an unusual root canal morphology.
The tooth exhibited four distinct canals: mesiobuccal, distobuccal, mesiopalatal, and distopalatal.

Findings:

The maxillary first molar possessed two palatal canals, a rare anatomical variation.
The presence of four canals required careful identification and negotiation during treatment.
Diagnostic radiography with altered angulation was essential for confirming the complex anatomy.

Implications:

Clinicians must maintain a high index of suspicion for root canal variations.
Thorough exploration of the pulpal floor and advanced radiographic techniques are vital.
Accurate diagnosis of canal anatomy is fundamental for effective root canal therapy and preventing missed canals.