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  3. Comparison Of Frontal Sinus Dimensions With Different Skeletal Classes And Vertical Patterns: A Retrospective Study
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  3. Comparison Of Frontal Sinus Dimensions With Different Skeletal Classes And Vertical Patterns: A Retrospective Study

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Comparison of Frontal Sinus Dimensions with Different Skeletal Classes and Vertical Patterns: A Retrospective Study

Alessandro Nota1, Iuliia Kashtelianska2, Francesco Manfredi Monticciolo1

  • 1Dental School, Vita-Salute San Raffaele University and IRCCS San Raffaele Hospital, 20132 Milan, Italy.

Healthcare (Basel, Switzerland)
|June 13, 2025

View abstract on PubMed

Summary
This summary is machine-generated.

Frontal sinus dimensions significantly differ across skeletal classes and divergence patterns, with larger sizes observed in skeletal class III and specific divergence groups. This suggests a potential link between frontal sinus size and malocclusion.

Keywords:
angle class III malocclusioncranial sinusesfrontal sinusgrowth and developmentmandibular prognathism

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Area of Science:

  • Orthodontics
  • Anthropometry
  • Radiology

Background:

  • Frontal sinus size varies among individuals.
  • Skeletal patterns influence craniofacial development.
  • Understanding these relationships is crucial for orthodontic diagnosis.

Purpose of the Study:

  • To compare frontal sinus dimensions (length, width, perimeter, area) with skeletal classes and divergence patterns.
  • To investigate potential correlations between craniofacial morphology and frontal sinus pneumatization.

Main Methods:

  • Retrospective analysis of lateral radiographs from 200 adults (18-45 years).
  • Evaluation of four frontal sinus parameters.
  • Classification based on skeletal class (ANB°) and mandibular divergence (SN^MP°).

Main Results:

  • Statistically significant differences in frontal sinus dimensions were found across skeletal classes.
  • Skeletal class III subjects exhibited significantly larger mean frontal sinus dimensions.
  • Frontal sinus width was significantly larger in a specific skeletal divergence group (group c).

Conclusions:

  • Frontal sinus size demonstrates a statistically significant association with skeletal classes and divergence patterns.
  • The findings suggest that frontal sinus dimensional analysis may be relevant for identifying skeletal class III malocclusion.