Class III

Author: Dr Shaun Goh

Description

Treatment Indications & Timings

Clinical Assessment & Presentations

Diagnosis & Considerations

Treatment Options

Associated Problems

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Description


Class III malocclusion

“The relative mesio-distal relations of the jaws and dental arches are abnormal, where the mandibular teeth occlude the maxillary teeth mesial to its normal position.”
Angle 1900

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Treatment Indications & Timings


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Clinical Assessment & Presentations


Extra-oral Features

Straight to concave facial profile

Protrusive lower lip

Intra-oral Features

Class III incisor patterns

Class III canines

Class III molars

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Diagnosis & Considerations


Diagnosis

  • Dental Class II
  • Skeletal Class II

Clinical Considerations

  • Determine the aetiology of the dental and/or skeletal Class III
  • What is the growth status?
  • Should the Class III be corrected?
  • The morbidities and compromises of different treatment options

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Treatment Options


Click a treatment category to explore.

Interceptive / Early growth modification
Growth modification and orthodontics
Comprehensive orthodontics / Camouflage treatment
Orthognathic surgery and orthodontics
Other treatment options

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Associated Problems

Open bite | Posterior crossbites | Crowding | Spacing

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