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Migration or displacement of dental implants into the anatomical sites is a possible but rare complication. This article describes 2 cases of ectopic dental implants in the maxillary sinus, 1 of which was displaced at the time of surgery and the other which migrated 8 years after placement. (Quintessence Int 2007;38:442.e238–239)
Key words: complication, dental implants, maxillary sinus
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