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Related Concept Videos

Tooth Anatomy01:21

Tooth Anatomy

The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.

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Related Experiment Video

Updated: May 21, 2026

Studying Orthodontic Tooth Movement in Mice
07:17

Studying Orthodontic Tooth Movement in Mice

Published on: August 2, 2024

Interventions for accelerating orthodontic tooth movement: a systematic review.

Hu Long1, Ujjwal Pyakurel, Yan Wang

  • 1State Key Laboratory of Oral Diseases, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China.

The Angle Orthodontist
|June 23, 2012
PubMed
Summary
This summary is machine-generated.

Corticotomy effectively accelerates orthodontic tooth movement. Other interventions like low-level laser therapy, electrical current, pulsed electromagnetic fields, and dentoalveolar or periodontal distraction show limited or inconclusive evidence for accelerating tooth movement.

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Area of Science:

  • Orthodontics
  • Biomedical Engineering

Background:

  • Accelerating orthodontic tooth movement is a significant clinical goal.
  • Various interventions have been proposed to expedite this process.

Purpose of the Study:

  • To systematically evaluate the efficacy of interventions aimed at accelerating orthodontic tooth movement.

Main Methods:

  • A comprehensive literature search was conducted across multiple databases (PubMed, Embase, Science Citation Index, CENTRAL, SIGLE) from 1990 to 2011.
  • Included randomized or quasi-randomized controlled trials were independently assessed for quality.
  • Data from eligible studies were statistically pooled using Review Manager 5 where possible.

Main Results:

  • Nine studies evaluating five interventions (low-level laser therapy, corticotomy, electrical current, pulsed electromagnetic fields, dentoalveolar/periodontal distraction) were analyzed.
  • Outcomes included tooth movement rate, time to completion, anchorage loss, periodontal health, pulp vitality, and root resorption.

Conclusions:

  • Corticotomy is a safe and effective method for accelerating orthodontic tooth movement.
  • Low-level laser therapy demonstrated no acceleration effect.
  • Evidence for electrical current and pulsed electromagnetic fields is inconclusive.
  • Dentoalveolar or periodontal distraction shows promise but requires more robust evidence.