Etiology • Developmental depression of the lingual side of the mandible • The aberrant lobe of the submandibular salivary gland and/or
adipose tissue fills the body of mandible defect. The depression created produces characteristic radiographic findings.
Clinical Presentation • No symptoms • Discovered incidentally
Radiographic Findings • Round to ovoid radiolucency below inferior alveolar canal,
adipose tissue fills the body of mandible defect. The depression created produces characteristic radiographic findings.
Clinical Presentation • No symptoms • Discovered incidentally
Radiographic Findings • Round to ovoid radiolucency below inferior alveolar canal,
above inferior border, and below third molar area • Well defined by a dense hypercorticated margin • Size range of 1 to 3 cm • Rarely noted in premolar and canine areas
Diagnosis • Radiographic appearance
Treatment • None; recognition only
Prognosis • Excellent