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Abstract：
A patient suffering from acute promyelocytic leukemia (APL) was referred to the dental department before introduction of chemotherapy by all-trans retinoic acid and arsenic trioxide (ATO). A panoramic radiography showed his third upper maxillary left tooth included into the maxillary bone. The patient presented with a febrile episode. Consequently, the infectious gateway was researched. A left maxillary sinus migration of his third upper left tooth together with a bony sequestrum has been observed on a CT-scan. A surgery was then performed to remove the bony sequestrum and the tooth. The first hypothesis of tooth migration could be that the patient had an infection prior to introduction of chemotherapy. However, neither clinical or radiographic signs were observed during the initial check-up. The second hypothesis is that ATO caused osteonecrosis of the jaw (ONJ) induced the formation of a bony sequestrum associated to the tooth migration into the sinus. ONJ could be a potential adverse of ATO chemotherapy.
摘要：
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