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Related Experiment Videos

Lingual mandibular sequestration and ulceration

E Peters1, G L Lovas, G P Wysocki

  • 1Department of Oral Biology, Faculty of Dentistry, University of Alberta, Canada.

Oral Surgery, Oral Medicine, and Oral Pathology
|June 1, 1993
PubMed
Summary
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Small bone fragments (sequestra) causing tongue ulcers in adults were analyzed. Removal of these fragments led to lesion resolution, suggesting a distinct clinical-pathologic entity.

Area of Science:

  • Oral pathology
  • Dental radiology
  • Surgical dentistry

Background:

  • Ulceration of the lingual mucosa in the posterior mandibular molar area can be associated with underlying bone pathology.
  • Small sequestra, or dead bone fragments, may present as a cause of persistent oral lesions.

Purpose of the Study:

  • To analyze clinical and radiographic findings of small sequestra causing lingual mucosal ulceration.
  • To discuss potential etiologic factors for this clinical-pathologic entity.

Main Methods:

  • Analysis of 11 adult patients with lingual mucosal ulceration.
  • Clinical examination and radiographic assessment (periapical and occlusal).
  • Evaluation of treatment outcomes following spontaneous exfoliation or surgical removal of sequestra.

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Main Results:

  • Eleven adult patients (mean age 45.3 years) presented with sensitive, occasionally painful lingual lesions.
  • No abnormalities were detected on periapical radiographs; occlusal radiographs revealed small radiopacities in three cases.
  • Resolution of lesions occurred after spontaneous exfoliation or surgical removal of the sequestrum.

Conclusions:

  • Small lingual sequestra contiguous with the mylohyoid ridge represent a distinct clinical-pathologic entity.
  • Radiographic detection may be subtle, often requiring occlusal views.
  • Management by removal of the sequestrum leads to complete resolution of the ulceration.