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Updated: Jun 23, 2026

Inducing Apical Periodontitis in Mice

Inducing Apical Periodontitis in Mice

Published on: August 6, 2019

Class 2, Stage A Cemental Tear Mimicking Apical Periodontitis: A Case Report.

Katsuhiro Takeda¹, Daisuke Furutama¹, Takuya Arita¹

¹Department of Biological Endodontics, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.

Journal of Endodontics

|June 20, 2026

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Cemental tears can mimic endodontic disease, delaying diagnosis. Cone-beam computed tomography (CBCT) is crucial for identifying cemental tears, especially in elderly patients, when initial root canal treatment fails.

Area of Science:

Dentistry
Oral and Maxillofacial Surgery

Background:

Cemental tears are rare and often misdiagnosed as endodontic or periodontal issues.
Accurate diagnosis is vital for effective treatment and avoiding unnecessary interventions.

Purpose of the Study:

To highlight the diagnostic challenges of differentiating cemental tears from apical periodontitis.
To emphasize the role of Cone-Beam Computed Tomography (CBCT) in diagnosing cemental tears.

Main Methods:

A case report of a 75-year-old woman with a misdiagnosed cemental tear.
Initial diagnosis of apical periodontitis, followed by root canal therapy.
Diagnosis revised to cemental tear after CBCT imaging and subsequent surgical intervention.

Main Results:

Keywords:

Apical periodontitis CBCT cemental tear differential diagnosis

Related Experiment Videos

Last Updated: Jun 23, 2026

Inducing Apical Periodontitis in Mice

Inducing Apical Periodontitis in Mice

Published on: August 6, 2019

Root canal therapy was ineffective for the misdiagnosed cemental tear.
CBCT imaging revealed a Class 2, Stage A cemental tear.
Surgical intervention and fragment removal led to successful healing.

Conclusions:

Differentiating cemental tears from apical periodontitis can be difficult, especially in elderly patients with incisor involvement.
Persistent symptoms after root canal treatment warrant suspicion of a cemental tear.
CBCT imaging should be considered for improved diagnostic accuracy in challenging cases, particularly before endodontic treatment in specific patient groups.