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Updated: May 23, 2026

Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
[Imaging of temporo-mandibular disorders]
Rufino Felizardo1, Jean-Michel Foucart, Christophe Pizelle
1Pôle d'Odontologie Hôpital Rothschild Paris (AP-HP), UFR d'Odontologie, Université Paris Diderot-Paris 7, 5 rue Santerre, 75012 Paris, France - Service d'Imagerie Médicale Hôpital Hôtel-Dieu Paris (AP-HP), 1 place du Parvis Notre-Dame 75181Paris Cedex 4France.
Radiographs for temporomandibular joint (TMJ) disorders are less useful now. Clinical exams are preferred for diagnosing TMJ issues, reducing the need for costly imaging like MRI and CBCT.
Area of Science:
- Dentistry
- Radiology
- Oral and Maxillofacial Surgery
Background:
- Standard radiographic imaging, including tomographic X-rays and MRI, historically dominated temporomandibular joint (TMJ) diagnostics.
- Diagnostic reliance has shifted towards clinical examinations for TMJ disorders.
- The cost-effectiveness of advanced imaging modalities like MRI, CT, and CBCT is increasingly questioned.
Purpose of the Study:
- To evaluate the diminishing diagnostic utility of TMJ radiographs.
- To assess the impact of radiological studies on TMJ disorder management.
- To delineate specific clinical scenarios where radiological examinations remain indicated for TMJ evaluation.
Main Methods:
- Review of current diagnostic practices for TMJ disorders.
- Analysis of the indications and diagnostic value of various radiological techniques (X-rays, MRI, CT, CBCT).
- Comparison of diagnostic yield between clinical examination and imaging modalities.
Main Results:
- Clinical examinations are sufficient for diagnosing the majority of TMJ disorders.
- The diagnostic worth and clinical impact of radiological studies for TMJ disorders are currently low.
- High costs associated with advanced imaging limit their routine application.
Conclusions:
- The utility of traditional TMJ radiographs has significantly decreased.
- Dentists should prioritize clinical assessment for TMJ disorders.
- Radiological examinations for TMJ disorders are indicated only in specific, well-defined clinical situations.
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