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Subpontic osseous hyperplasia: a case report.

E R Lorenzana1, W W Hallmon

  • 1Department of Periodontics, Baylor College of Dentistry, Texas A&M University System, PO Box 660677, Dallas, Texas 75266-0677, USA.

Quintessence International (Berlin, Germany : 1985)
|February 24, 2001
PubMed
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Subpontic osseous hyperplasia, a bone growth under dental bridges, was surgically removed in a patient. The condition did not recur after one year, indicating successful treatment for this rare dental issue.

Area of Science:

  • Oral pathology
  • Dental implantology
  • Maxillofacial surgery

Background:

  • Subpontic osseous hyperplasia is an abnormal bone growth beneath a dental prosthesis.
  • This condition often affects the edentulous ridge under fixed partial dentures.
  • Etiologies and treatment options require further investigation.

Observation:

  • A 56-year-old woman presented with tissue enlargement under a dental bridge.
  • The enlargement was located in the pontic region of a mandibular first molar prosthesis.
  • Histologic analysis revealed mature lamellar bone and appositional growth.

Findings:

  • Surgical removal of the bony enlargement was performed.
  • The excised tissue confirmed mature lamellar bone, indicative of subpontic osseous hyperplasia.

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  • No recurrence was observed one year after the surgical intervention.

    • Implications:

    • Surgical excision is an effective treatment for subpontic osseous hyperplasia.
    • Understanding the etiology is crucial for preventing recurrence.
    • This case highlights the importance of thorough histologic examination of such lesions.