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Related Concept Videos

Teeth01:15

Teeth

The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
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Bone Disorders

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Bone Remodeling01:40

Bone Remodeling

Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
Essential Minerals for Bone Health01:31

Essential Minerals for Bone Health

The minerals contained in all of the food we consume are essential for our organ systems. However, certain essential minerals, such as calcium, phosphorus, magnesium, manganese, and fluoride, largely affect bone health.
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Updated: Jun 13, 2026

Studying Orthodontic Tooth Movement in Mice
07:17

Studying Orthodontic Tooth Movement in Mice

Published on: August 2, 2024

Bone density changes around teeth during orthodontic treatment.

Jui-Ting Hsu1, Hsun-Wen Chang, Heng-Li Huang

  • 1School of Dentistry, College of Medicine, China Medical University, 91 Hsueh-Shih Road, Taichung 40402 Taiwan, Republic of China. jthsu@mail.cmu.edu.tw

Clinical Oral Investigations
|April 16, 2010
PubMed
Summary
This summary is machine-generated.

Orthodontic treatment significantly reduces bone density around teeth, with central incisors showing the largest decrease. Cone beam computed tomography (CBCT) effectively measures these changes during treatment.

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Area of Science:

  • Dentistry
  • Orthodontics
  • Radiology

Background:

  • Orthodontic treatment involves applying forces to teeth, potentially altering the surrounding bone structure.
  • Understanding bone density changes is crucial for assessing treatment outcomes and patient safety.

Purpose of the Study:

  • To evaluate bone density alterations around teeth during orthodontic treatment.
  • To assess the efficacy of cone beam computed tomography (CBCT) in measuring these changes.

Main Methods:

  • Cone beam computed tomography (CBCT) was employed to measure bone density.
  • Measurements were taken around six maxillary teeth (central incisors, lateral incisors, canines) in eight patients before and after 7 months of orthodontic treatment.
  • Roots were analyzed in cervical, intermediate, and apical portions to detect level-specific density variations.

Main Results:

  • A mean bone density reduction of 24% was observed around the measured teeth after 7 months of orthodontic treatment.
  • The most significant bone density reduction occurred around the upper central incisors (29% and 26%).
  • No significant differences in bone density reduction were found between the cervical, intermediate, and apical root portions.

Conclusions:

  • Orthodontic forces lead to a significant reduction in bone density around teeth.
  • CBCT is a valuable tool for monitoring bone density changes during orthodontic therapy.
  • The findings highlight the impact of orthodontic treatment on alveolar bone density.