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Orthodontics Lab
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The orthodontics lab studies how to correct the bite by moving teeth and guiding jaw growth.
AboutAbout the lab
Orthodontics that restores harmony between function and facial appearance
The Orthodontics Lab studies orthodontic treatment, which corrects the bite and tooth alignment by moving teeth and controlling jaw growth.
The lab investigates, from both basic and clinical perspectives, how bone and tissue are remodeled by orthodontic force, as well as oral function, orthodontic materials, jaw deformity, and cleft lip and palate.
Lab members also provide clinical care in the orthodontic department of Hokkaido University Hospital, and all graduate students receive training accredited by the Japanese Orthodontic Society.
Key terms
- Jaw Deformity
- A condition in which abnormalities in the size, shape, or position of the jawbones affect the bite and the shape of the face.
- Malocclusion
- A condition in which the alignment of the teeth or the bite is not normal, such as protruding upper front teeth, an underbite, or crowded teeth with protruding canines.
- Myofunctional Therapy
- Treatment that trains the muscles around the mouth, such as the tongue and lips, so that patients learn to use them correctly. Also called MFT.
NewsLab news
View More ↗ResearchResearch themes
The lab conducts broad research from both clinical and basic perspectives on examination, diagnosis, and the development of treatment methods in orthodontics. Its work covers everything from the tissue changes caused by the forces that move teeth, to the development of materials, to jaw deformity.
*Illustrative imageTissue Remodeling by Orthodontic Force
The lab studies how tissue is remodeled by orthodontic force and by the mechanical stimuli generated by the muscles and soft tissues around the mouth, and how this process changes with aging. Experiments that apply stimuli to cultured cells and research using diabetic rats are carried out jointly with other labs.
*Illustrative imageDiagnosis and Treatment of Oral Function
The tongue, lips, and cheeks play important roles in speech, chewing, and swallowing. Using devices such as one that continuously records how the lips close, the lab studies the diagnosis and treatment of oral function, including myofunctional therapy. It also investigates the relationship between temporomandibular disorders and malocclusion or orthodontic treatment.
*Illustrative imageDeveloping New Orthodontic Materials
In addition to aesthetic orthodontic wires made of fiber-reinforced plastic, the lab develops new adhesive materials applying nanomaterials, and orthodontic implants.
*Illustrative imageCauses and Treatment of Jaw Deformity
The lab studies jaw deformity, which results from abnormal growth of the bones of the jaw and face, focusing in particular on identifying its genetic causes and on diagnosis and treatment methods for surgical orthodontic treatment. It also investigates how malocclusion develops, using mice that develop malocclusion spontaneously.
MembersFaculty
Members of the Orthodontics Lab include faculty members, department clinical staff, visiting clinicians, and registered researchers.As of 2026
- ProfessorYoshiaki Sato
- Associate ProfessorKo Nakanishi
- LecturerTomoo Kaneko
- LecturerShuichi Yamagata
- Assistant ProfessorMarie Hoshi
- Assistant ProfessorYuki Sugawara
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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: “Dental braces” Sputnikcccp at English Wikipedia / CC BY-SA 3.0 (cropped)
- Tissue Remodeling by Orthodontic Force: “Osteoclast” Robert M. Hunt at English Wikipedia / Public domain (cropped)
- Diagnosis and Treatment of Oral Function: “Masseter muscle - lateral view” Anatomography / CC BY-SA 2.1 jp (cropped)
- Developing New Orthodontic Materials: “Aligner on Table v2 (2)” ClearCorrect / CC BY-SA 3.0 (cropped)
- Causes and Treatment of Jaw Deformity: “Mandible bone” Images are generated by Life Science Databases(LSDB). / CC BY-SA 2.1 jp (cropped)
- Related lab (顎口腔形成学教室): “Oral surgery operating room” Ptrump16 / CC BY-SA 4.0 (cropped)
- Related lab (口腔顎顔面外科学教室): “US, Tanzanian medical professionals conduct dental surgery during Justified Accord )” U.S. Army SETAF-AF by Pfc. Alva Gonzalez / Public domain (cropped)
- Related lab (冠橋義歯・インプラント再生補綴学教室): “Single Unit Zirconia Anterior Dental Crown” James Roback, UticaDentalLab / CC BY-SA 4.0 (cropped)
- Related lab (生体材料工学教室): “Hüdroksüapatiidi kristallid” Martin.Neitsov / CC BY-SA 4.0 (cropped)
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