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[MRI artifacts caused by keepers in a dental arch]
1Department of Prosthodontics, Ninth People's Hospital, School of Stomatology, Shanghai Second Medical University, Shanghai 200011, China.
Summary
Magnetic resonance imaging (MRI) artifacts from dental keepers are limited, even with up to four keepers. This study quantifies artifact size in MRI scans, finding minimal impact on image quality.
Area of Science:
- Medical imaging
- Biomaterials science
- Dental technology
Context:
- Dental implants and orthodontic devices can cause artifacts in Magnetic Resonance Imaging (MRI).
- Understanding the extent of these artifacts is crucial for accurate diagnosis and treatment planning.
- The presence of multiple keepers (devices used in dental treatment) may exacerbate artifact severity.
Purpose:
- To quantify the degree of Magnetic Resonance Imaging (MRI) artifacts generated by 1 to 4 dental keepers.
- To assess the maximal diameters of these artifacts in a clinical setting.
- To determine if an increasing number of keepers significantly increases artifact size.
Summary:
- Magnetic Resonance Imaging (MRI) scans were performed on a living human subject using a 0.15 Tesla (T) MR device.
- Artifacts were analyzed in the sagittal plane, and their maximal diameters were measured.
- The maximal artifact diameters observed for 1-4 keepers ranged from 101 to 109.6 mm.
Impact:
- The study demonstrates that even with four keepers present in the dental arch, the resulting MRI artifacts remain within a limited range.
- Findings suggest that the presence of multiple keepers may not significantly compromise diagnostic image quality in low-field MRI.
- This research provides valuable data for clinicians and radiologists when interpreting MRI scans in patients with dental hardware.