Dense bone islands are common and found in about 5% of panoramic radiographs as opaque boney regions which are continuous with the surrounding bone. If there is a thin lucent delimiting line around them they are not dense bone islands but other odontogenic lesions.




















Dense bone islands usually do not displace or resorb teeth or expand the jaws. In the CBCT image you can see how the island encircles the Inferior Alveolar Nerve Canal but does not compress or displace it. Their origin is unknown but perhaps related to chronic inflammation at some time in the past. Dense bone islands require no treatment.

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