Tag: radiographic interpretation

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Radiographic Interpretation: ‘hydraulic’ appearance

Why Do Cysts Look “Hydraulic” on Imaging? The term “hydraulic” gets used a lot to describe the radiographic behavior of jaw cysts — the smooth, balloon-like expansion, cortical thinning, root displacement, and scalloped margins that make them look like fluid is simply pressing outward from the inside. That’s because it…
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Case of the Week: Focal Cemento-osseous Dysplasia

This week’s case is a great example of a focal cemento-osseous dysplasia. Cemento-osseous dysplasia (COD) is a benign, reactive fibro-osseous lesion of the jaws. It goes through three stages of maturation, each with a distinct radiographic appearance. This case is from a cone beam CT, which really shows off the…
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Case of the Week: Taurodontism on CBCT

This fun case of taurodontism involves all the maxillary and mandibular molars. This tooth anomaly is not one that I come across often so when I saw this awesome example I just had to share. Taurodontism refresher = elongated body/pulp chamber with shortened roots and lack of constriction of the…