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Related Experiment Videos

Upper airway obstruction and craniofacial morphology.

J J Principato1

  • 1Section of Otolaryngology, George Washington University School of Medicine and Health Services, Bethesda, MD.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|June 1, 1991
PubMed
Summary

Otolaryngologists assess upper airway obstruction in orthodontic patients, linking it to dental and skeletal changes. Early intervention may prevent issues like open bites and retrognathia in children.

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Area of Science:

  • Otolaryngology
  • Orthodontics
  • Pediatric Growth and Development

Background:

  • Increasing frequency of otolaryngologist involvement in assessing and treating upper airway obstruction in orthodontic patients.
  • Emerging research suggests a link between upper airway obstruction and dental/craniomorphologic changes in children.
  • Hypothesis: Chronic oral respiration during critical growth periods can lead to dental and skeletal alterations.

Purpose of the Study:

  • To explore the relationship between upper airway obstruction and craniofacial development in orthodontic patients.
  • To highlight the role of otolaryngologists in evaluating upper airway patency.
  • To emphasize the need for carefully designed studies to understand these complex interactions.

Main Methods:

  • Clinical examination by otolaryngologists to assess upper airway patency.

Related Experiment Videos

  • Rhinometric assessment (before and after decongestant) to evaluate nasal airway obstruction.
  • Review of existing studies linking oral respiration to dental and skeletal changes.

    • Main Results:

    • Chronic mouth-breathing is associated with excessive molar eruption, clockwise mandibular rotation, and increased anterior lower face height.
    • These changes can lead to retrognathia and open bites.
    • Low tongue posture, common in oral respiration, hinders maxillary lateral expansion and anterior development.

    Conclusions:

    • Otolaryngologists are crucial in objectively assessing upper airway patency in orthodontic patients.
    • Understanding the impact of upper airway obstruction on craniofacial development is vital for effective treatment.
    • Further well-controlled research is needed to establish definitive causal links and guide clinical practice.