Clinical Experience in Reconstruction of the Posterior Lingual Mandibular Bony Defect

ABSTRACT

Posterior lingual mandibular bony defect is rare disease entity. Diagnosis of this entity is almost incidental because it has neither symptoms nor signs. However, it has characteritic features in radiologic images that radiolucent defect located near the mandibular angle. Many of this defects are filled with sublingual salivary gland tissues and some includes fat tissue. Various terms such as aberrant salivary gland defect, mandibular embryonic defect, developmental submandibular bone defect, are available for this disease entity bacause cause of this entity is controversal. Operation for reconstruction of the defect is not necessary except this entity has symptoms or diagnosis of this is unclear. Authors experienced one case of this entity incidentally, and operated for defect reconstruction by osteotomy and filled the defect with hydroxyapatite. The result is satisfactory without any complications.