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April 1974

Idiopathic Mandibular Bone Cavity

Author Affiliations

From the Department of Oral Medicine, School of Dentistry, State University of New York, Buffalo, NY.

Arch Otolaryngol. 1974;99(4):264-267. doi:10.1001/archotol.1974.00780030274007

The idiopathic mandibular bone cavity (IMBC) usually occurs as a discrete radiolucent lesion near the angle of the mandible below the inferior alveolar nerve canal. In most cases, it is discovered fortuitously during routine radiographic examination, and there are no other signs or symptoms. The cause of the condition has been a matter of speculation and case reports of this condition have been published under a variety of names—mandibular embryonic defect, latent bone cyst, static bone cyst, static bone cavity, and aberrant salivary gland defect.

An IMBC was discovered during routine dental examination. The diagnosis was made with the aid of sialography.

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