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Teeth

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.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin...

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Related Experiment Video

Updated: Jun 3, 2025

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Author Spotlight: 3D Movement Assessment of Maxillary Posterior Teeth in Clear Aligner Treatment

Published on: February 23, 2024

Transient apical breakdown associated with clear aligner therapy: a case report.

Georgia Ashworth-Davies¹, Ellen L Johnson², Pratik K Sharma³

¹Dental Core Trainee 2 in Paediatric Dentistry, Department of Paediatric Dentistry, Royal London Dental Hospital, Barts Health NHS Trust, Turner Street, London, E1 1FR, UK.

British Dental Journal

|January 10, 2025

Summary

This summary is machine-generated.

Transient apical breakdown (TAB) can occur with orthodontic aligner treatment. This condition may mimic pulp necrosis but can resolve with monitoring, avoiding unnecessary endodontic procedures.

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Area of Science:

Dentistry
Orthodontics
Endodontics

Background:

Transient apical breakdown (TAB) is a known response to trauma.
Its occurrence during orthodontic treatment, especially with aligners, is underreported.
Misdiagnosis of TAB as pulp necrosis can lead to inappropriate endodontic intervention.

Observation:

A case report details TAB following the initiation of aligner therapy.
The affected tooth initially showed signs suggestive of pulp necrosis.
The tooth's condition improved, with normal coloration and pulpal response after six months of observation.

Findings:

Aligner therapy can potentially induce transient apical breakdown.
Active monitoring can lead to resolution of TAB, differentiating it from irreversible pulp necrosis.
Early recognition is key to appropriate management.

Implications:

Increased awareness of TAB risk is crucial for dental practitioners providing aligner therapy.
Distinguishing TAB from pulp necrosis prevents unnecessary endodontic treatments.
Understanding TAB risks is vital due to the rise in aligner use and potential medico-legal issues.