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Related Experiment Videos

Histopathologic findings in third molar opercula.

D E Cutright

    Oral Surgery, Oral Medicine, and Oral Pathology
    |February 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Histopathologic review of operculum tissue from 130 cases revealed diverse tissues, including salivary glands and odontogenic epithelium. Some tissues showed atypia or bone formation, highlighting the need for careful surgical evaluation.

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    Area of Science:

    • Oral and Maxillofacial Surgery
    • Surgical Pathology
    • Dental Histology

    Background:

    • The operculum, soft tissue overlying erupting third molars, contains diverse tissue types.
    • These tissues possess potential for neoplastic changes and can cause postoperative complications.
    • Understanding opercular tissue composition is crucial for surgical management and patient outcomes.

    Purpose of the Study:

    • To histopathologically analyze 130 operculum specimens.
    • To identify the types and prevalence of various tissues within the operculum.
    • To assess the potential for neoplastic changes and their implications for surgical practice.

    Main Methods:

    • Review of 130 surgically removed operculum specimens.
    • Histopathologic examination to identify tissue components.

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  • Analysis of epithelial atypia, presence of bone, and other specific tissue types.

    • Main Results:

    • Salivary gland tissue found in 9 cases; oral epithelium showed atypia in 11 cases.
    • Odontogenic-type epithelium identified in 60 cases, with two clear-cell types.
    • Bone, dentin, or osteoid detected in 54 cases; periodontal membrane-like structure observed in one case.
    • Lining epithelium absence noted in both inflamed and non-inflamed tissues.

    Conclusions:

    • Operculum tissue comprises a variety of cell types with neoplastic potential.
    • Histopathologic review of all excised operculum tissue is recommended.
    • Surgeons must consider the neoplastic potential and healing effects of opercular tissues, especially if used for primary closure.