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The 3DX multi image micro-CT device in clinical dental practice
A K Suomalainen1, A Salo, S Robinson
1Department of Radiology, Helsinki University Central Hospital, PO Box 263 (Kasarmikatu 11-13), FI-00029 HUS, Finland. anni.suomalainen@hus.fi
Dento Maxillo Facial Radiology
|April 4, 2007
Summary
The 3DX multi-image micro-CT device precisely visualizes bony structures, proving reliable for dental implant planning and diagnosing infections. However, dental restorations can cause artifacts, and the small imaging area may necessitate re-examination.
Area of Science:
- Dentistry
- Radiology
- Medical Imaging
Background:
- Clinical dental practice increasingly utilizes advanced imaging technologies.
- Multi-image micro-computed tomography (micro-CT) offers high-resolution 3D imaging capabilities.
- Evaluating new devices like the 3DX in real-world clinical settings is crucial.
Purpose of the Study:
- To assess the clinical utility and benefits of the 3DX multi-image micro-CT device.
- To compare the diagnostic information provided by 3DX micro-CT with conventional radiography (panoramic and intraoral).
- To identify key applications and limitations of the 3DX device in a private dental practice.
Main Methods:
- Retrospective analysis of 198 examinations conducted with the 3DX device over six months.
- Evaluation of additional information gained from micro-CT compared to conventional radiographs.
- Categorization of indications for 3DX use, including implant planning, infection diagnosis, and localization of foreign bodies.
Main Results:
- The primary indication for 3DX use was dental implant planning (49%), followed by infection/peri-implantitis diagnosis (28%).
- Additional diagnostic information was obtained in 51% of cases for infection/peri-implantitis assessment compared to conventional radiography.
- The device provided precise visualization of temporomandibular joint (TMJ) bone structure and was effective for localization tasks, though artifacts from restorations impacted some implant planning cases.
Conclusions:
- The 3DX micro-CT device is a reliable tool for precise visualization of bony anatomy, particularly beneficial for dental implant treatment planning.
- The device demonstrates high suitability for diagnosing dental infections, offering superior information compared to conventional methods in many instances.
- Limitations include potential artifacts from dental restorations and a small imaging area that may require re-examination in some cases.

