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Related Experiment Videos

Idiopathic noncondylar hemimandibular hyperplasia.

G Khorsandian1, H J Lapointe, J E Armstrong

  • 1University of Western Ontario, London, Canada.

International Journal of Paediatric Dentistry
|September 26, 2001
PubMed
Summary

This case study presents a rare mandibular disorder in a young female, characterized by idiopathic non-condylar hemimandibular hyperplasia. The findings suggest a potentially new condition, distinct from previously documented cases.

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Area of Science:

  • Dentistry
  • Medical Genetics
  • Pediatric Medicine

Background:

  • Idiopathic non-condylar hemimandibular hyperplasia is a rare condition affecting mandibular development.
  • Previous literature describes hemimandibular and condylar hyperplasia with condyle enlargement.

Observation:

  • A female patient exhibited right mandibular body and inferior ramus enlargement from age 7.5 to 11.5 years.
  • Accelerated tooth development and eruption were noted on the affected side, without condyle or condylar neck enlargement.
  • Histopathologic, radiographic, and angiogram examinations excluded benign fibro-osseous and vascular lesions.

Findings:

  • The patient's condition differed from reported hemimandibular hyperplasia and unilateral condylar hyperplasia due to the absence of condylar enlargement.

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  • Unlike hemihypertrophy, the patient's teeth showed accelerated development but not hyperplasia.
  • The unique presentation suggests a potentially novel mandibular disorder.

    • Implications:

    • This single case report highlights a distinct clinical presentation of mandibular hyperplasia.
    • Further reporting of similar cases is crucial for understanding the etiology and pathogenesis of this condition.
    • Recognition of this distinct entity may refine diagnostic criteria for pediatric mandibular anomalies.