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Related Concept Videos

Teeth01:15

Teeth

2.2K
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...
2.2K

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Correction: Ko et al. Timing of Mouse Molar Formation Is Independent of Jaw Length Including Retromolar Space. <i>J. Dev. Biol.</i> 2021, <i>9</i>, 8.

Journal of developmental biology·2025

Related Experiment Video

Updated: May 5, 2026

The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
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The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model

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Maintaining perspective on third molar extraction.

Julia C Boughner1

  • 1University of Saskatchewan, Saskatoon, Saskatchewan.

Journal (Canadian Dental Association)
|December 7, 2013
PubMed
Summary

The debate on extracting asymptomatic impacted third molars continues. Current evidence suggests a case-by-case approach, considering individual patient health, is most effective for third molar management.

Area of Science:

  • Oral Surgery
  • Dental Public Health
  • Health Technology Assessment

Background:

  • Third molar extraction is a common oral surgery in Canada, especially for young adults.
  • A persistent debate exists regarding the risks of retaining asymptomatic impacted third molars versus extraction.
  • This controversy impacts patient costs (pain, lost income) and healthcare system expenses.

Purpose of the Study:

  • To examine the ongoing debate surrounding prophylactic third molar extraction.
  • To evaluate the evidence supporting or refuting the routine extraction of asymptomatic impacted third molars.
  • To inform clinical decision-making and health policy regarding third molar management.

Main Methods:

  • Review of existing health technology reports and policy statements from various international bodies.

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  • Analysis of research findings, including those cited by the American Association of Oral and Maxillofacial Surgeons (AAOMS).
  • Comparison of differing perspectives on the necessity and efficacy of third molar extraction.

    • Main Results:

    • Conflicting evidence exists regarding the benefits of prophylactic extraction.
    • AAOMS research suggests links between asymptomatic impacted molars and oral disease, advocating for extraction.
    • International health technology reports and public health policies often contradict this, recommending conservative management or case-by-case evaluation.

    Conclusions:

    • The decision for third molar extraction should be individualized.
    • Patient health status and access to professional oral healthcare are critical factors.
    • A universal recommendation for prophylactic extraction is not supported by all evidence.