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Dental Medical Informatics Lab
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A lab that supports dental diagnostic imaging with devices and AI.
AboutAbout the lab
Supporting dental diagnosis with imaging and AI
The Dental Medical Informatics Lab studies methods and devices for dental diagnostic imaging, and image analysis using AI.
Dental images have shifted from film to three-dimensional digital images produced by dental CT and intraoral scanners.
Through the development of new dental diagnostic imaging devices and the use of medical information with AI and telecommunication technology, the lab aims to contribute to equalizing access to high-quality dental care.
As the Department of Oral and Maxillofacial Diagnostic Imaging at Tohoku University Hospital, the lab is also in charge of diagnostic imaging of head and neck tumors.
Key terms
- Healthcare equalization
- Making the same standard of medical care available everywhere, so that the quality of care does not differ by region or other factors.
- Radiomics
- A method that comprehensively converts many features of an image into numerical values and analyzes them with AI to aid diagnosis.
- Semiconductor detector
- A device that detects radiation such as X-rays by converting it into electrical signals with a semiconductor element.
- FDG-PET/CT
- An examination that uses a glucose-like drug (FDG) to image activity inside the body with PET and the shape of the body with CT.
NewsLab news
Paper by Associate Professor Kojima published in Dentomaxillofacial Radiology
Paper by Clinical Assistant Professor Goto published in Journal of Oral and Maxillofacial Surgery, Medicine, and Pathology
Paper by a hospital staff member published in Journal of Oral Biosciences
Paper by Associate Professor Kojima published in Dentomaxillofacial Radiology
ResearchResearch themes
Starting from questions encountered in daily clinical practice, the Dental Medical Informatics Lab studies the development of diagnostic imaging methods and devices, the mechanisms and diagnosis of oral symptoms related to systemic conditions, and the development of clinical support systems that use image data. Its work ranges widely from basic research to clinical research.
*Illustrative imageDental X-ray devices using semiconductor detectors
In collaboration with the Faculty of Engineering at Shizuoka University, the lab is developing a new dental X-ray imaging device capable of tissue analysis, with low radiation dose and high resolution, using CdTe (cadmium telluride) radiation detection elements.
*Illustrative imageAI diagnosis and radiomics
The lab works on applying AI to diagnostic imaging and remote diagnosis in the oral region. It serves as the Tohoku University dental division of the Clinical AI program, and also promotes AI research and human resource development.
*Illustrative imageHead and neck diagnostic imaging with FDG-PET/CT
Using a new PET device with a semiconductor detector, the lab aims to develop imaging and diagnostic methods suited to head and neck diagnostic imaging. This is joint research with the Department of Diagnostic Radiology and the Department of Otolaryngology, Head and Neck Surgery at Tohoku University Hospital.
*Illustrative imageDevelopment of head and neck MRI diagnostic methods
Using various MRI imaging techniques, the lab works on developing diagnostic methods for osteomyelitis and lymph node metastasis of malignant tumors using 3D-MRI, diagnostic methods for parotid gland diseases, and diagnostic methods for parotid tumors based on quantitative evaluation of contrast-enhanced imaging.
MembersFaculty
The members of the Dental Medical Informatics Lab consist of faculty, hospital staff, graduate students, clinical professors, part-time staff and researchers, and department secretaries. Faculty from the Liaison Center for Innovative Dentistry and the Department of Perioperative Oral Health Management also take part.As of 2026
- ProfessorMasahiro Iikubo
- Associate ProfessorIkuho Kojima
- Associate ProfessorTakashi Nishioka
- Assistant ProfessorMasanori Arakaki
- Assistant ProfessorYusuke Shimada
- Clinical Assistant ProfessorYuriko Goto
- Clinical Assistant ProfessorYuka Sato
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Dornbirn-Dental X-ray unit Orthophos SL 3D-02ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Dental X-ray devices using semiconductor detectors: “Panoramic Xray” User:Sloyment / CC0 (cropped)
- AI diagnosis and radiomics: “Xray sirona dental Orthophos xg5 IMG 0570” Bjoertvedt / CC BY-SA 3.0 (cropped)
- Head and neck diagnostic imaging with FDG-PET/CT: “PET-CT-Philips” Partynia / CC BY-SA 4.0 (cropped)
- Development of head and neck MRI diagnostic methods: “MRI-Philips” Jan Ainali / CC BY 3.0 (cropped)
- Related lab (顎顔面口腔再建外科学分野): “Implant overdenture model” Coronation Dental Specialty Group[1] / CC BY-SA 3.0 (cropped)
- Related lab (分子・再生歯科補綴学分野): “Disc with dental implants made with WorkNC” Sescoi CAD/CAM / CC BY-SA 2.0 (cropped)
- Related lab (生体再生歯工学分野): “Dental-implant-illustration” Alexmit art / CC BY-SA 4.0 (cropped)
- Related lab (先端フリーラジカル制御学共同研究講座): “US Navy 050920-N-3188P-008 U.S. Navy Dental Technician 2nd Class Barbara J. Edenfield, assigned to Naval Branch Health Clinic Jacksonville, waxes a hard night guard” U.S. Navy photo by Photographer's Mate 2nd Class Jamar X Perry / Public domain (cropped)
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