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Stafne's bone cavity. Classification based on outline and content determined by computed tomography

E Ariji1, N Fujiwara, O Tabata

  • 1Faculty of Dentistry, Kyushu University, Department of Oral and Maxillofacial Radiology, Fukuoka, Japan.

Oral Surgery, Oral Medicine, and Oral Pathology
|September 1, 1993
PubMed
Summary

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Computed tomography revealed Stafne bone cavities always contain tissue, often submandibular gland or fat. Cavity size and content correlate with mandibular bone extension, aiding diagnosis.

Area of Science:

  • Dentistry
  • Radiology
  • Anatomy

Background:

  • Stafne bone cavity (SBC) is a common asymptomatic entity.
  • Its nature and contents are not fully understood.
  • Computed tomography (CT) offers detailed imaging of mandibular structures.

Purpose of the Study:

  • To investigate the characteristics of Stafne bone cavities using CT.
  • To analyze the size, bony outlines, and contents of SBCs.
  • To correlate CT findings with potential anatomical structures.

Main Methods:

  • Retrospective analysis of 15 cases (16 concavities) of SBCs.
  • Utilized computed tomography (CT) for imaging.
  • Analyzed axial images for size, bony outlines, and contents.

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Main Results:

  • CT clearly visualized SBCs on the lingual mandibular surface.
  • No empty concavities were observed; contents included submandibular gland or fat.
  • Larger cavities often contained submandibular gland, especially when extending buccally.

Conclusions:

  • Stafne bone cavities are consistently filled with specific tissues.
  • CT imaging is effective for characterizing SBCs and their contents.
  • Findings suggest a relationship between SBC morphology and adjacent anatomical structures.