PMC9450552_01
Occlusal radiographic view showing the external cortical portion with radiopacity similar to "sunrays" (on the left). Periapical X-rays showing increased periapical space of the premolar tooth (on the right).
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The periapical radiography suggested radicular reabsorption and diffuse bone rarefaction of the 34 periapex; the patient was followed up by endodontic treatment of the tooth with necrotic pulp (Figure 1). The external cortical view showed significant radiopacity similar to "sunrays", suggesting a diagnosis of osteosarcoma (Figure 1).