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  • Title: Cemental tear related to rapid periodontal breakdown: a case report.
    Author: Haney JM, Leknes KN, Lie T, Selvig KA, Wikesjö UM.
    Journal: J Periodontol; 1992 Mar; 63(3):220-4. PubMed ID: 1593415.
    Abstract:
    Cemental tears have been described both in exposed and unexposed cementum. The phenomenon is believed to be elicited by overloading or acute trauma from occlusion. In this case report a patient, with a history of periodontal health, presented with an acute periodontal lesion on the distal aspect of a bridge abutment tooth. Periapical radiographs demonstrated an extensive vertical intrabony defect adjacent to the vital abutment tooth containing a radiopaque "foreign body." Histological examination of the surgically removed "foreign body" revealed a piece of dental cementum with some attached soft tissue. The lesion responded well to a surgical approach. Healing was uneventful and periodontal health was restored. This case illustrates that cemental tear should be considered as a differential diagnostic entity in isolated sites with rapid periodontal breakdown.
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