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Related Experiment Video

Updated: Jun 4, 2026

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition

Published on: February 23, 2024

Controlled tooth movement to correct an iatrogenic problem.

Rhita Cristina Cunha Almeida¹, Felipe de Assis R Carvalho, Marco Antonio Almeida

¹Department of Orthodontics, Rio de Janeiro State University, Rio de Janeiro, Brazil. rhita.almeida@gmail.com

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics

|February 9, 2011

Summary

This summary is machine-generated.

Uncontrolled elastic mechanics extruded a 9-year-old boy's front teeth, creating complications. Controlled intrusion successfully corrected the tooth extrusion, resolving the issue.

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Area of Science:

Orthodontics
Pediatric Dentistry
Dental Mechanics

Background:

Diastema closure in children can present unique challenges.
Non-controlled elastic mechanics are sometimes used for space closure in pediatric cases.

Observation:

A 9-year-old boy experienced extrusion of his maxillary central incisors.
This unintended tooth movement occurred during diastema closure using non-controlled elastics.

Findings:

The extrusion of maxillary central incisors led to undesirable consequences.
Controlled intrusion mechanics were effectively employed to correct the extruded teeth.

Implications:

This case highlights the risks associated with non-controlled orthodontic forces in children.
Controlled intrusion provides a viable solution for managing iatrogenic tooth extrusion.