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DIAGNOSTIC PERFORMANCE OF HIGH-RESOLUTION 3D DENTAL MRI FOR DETECTION AND VOLUMETRIC ASSESSMENT OF SEVERE
Nouha Tekiki1, Arne Lauer1, Luisa Schulte1
1Department of Neuroradiology, Heidelberg University Hospital, Heidelberg, Germany.
The Journal of Evidence-Based Dental Practice
|August 5, 2026
Summary
Dental MRI (dMRI) shows comparable reliability to cone-beam computed tomography (CBCT) for identifying and measuring periodontal lesions. dMRI detected more lesions, suggesting higher sensitivity for periodontal disease, without added benefit from contrast agents.
Area of Science:
- Dentistry
- Radiology
- Medical Imaging
Background:
- Periodontal disease affects a significant portion of the population.
- Accurate identification and volumetric assessment of periodontal lesions are crucial for effective treatment planning.
- Cone-beam computed tomography (CBCT) is a common imaging modality for dental applications.
Purpose of the Study:
- To compare the diagnostic potential of dental magnetic resonance imaging (dMRI) against CBCT for periodontal lesion detection and volumetric analysis.
- To assess the reliability and agreement between dMRI and CBCT in evaluating periodontal bone loss.
Main Methods:
- A prospective study involving 22 patients with severe periodontitis.
- Pre-treatment isotropic CBCT and 3T-dMRI (T1-weighted, with and without contrast) were performed.
- Blinded analyses assessed lesion identification and volumetry, with reliability evaluated using Cohen's kappa and ICC.
Main Results:
- dMRI demonstrated reliability comparable to CBCT for lesion identification (κ-range: 0.820-1) and volumetric assessment (ICC-range: 0.841-0.974).
- dMRI detected nearly all CBCT-identified lesions and identified additional lesions not seen on CBCT.
- Lesion volumes were similar on T1W dMRI compared to CBCT, with contrast agents showing larger volumes but no added diagnostic value.
Conclusions:
- dMRI and CBCT exhibit comparable reliability for periodontal lesion assessment.
- dMRI shows potential for superior sensitivity in detecting periodontal lesions compared to CBCT.
- Non-contrast enhanced T1-weighted dMRI provides high agreement with CBCT for lesion identification and volumetric bone loss evaluation.
