M etastatic carcinoma of the jaws is uncommon.Frequencies on record range from 1% to 8%. 1 Kidney tumors are found in 16% of the cases. 2 In most cases, the metastases in the oral cavity are detected in patients with no malignant process, but in 20% the metastasis may be the first indication of an occult malignancy. 3 The symptoms produced by metastases in the oral cavity are usually swelling, pain, bleeding, loose teeth, or decreased sensitivity. However, biopsies should be performed in all cases for the diagnosis. 2
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