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KMID : 0358920000270040535
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Journal of the Korean Academy of Pedodontics
2000 Volume.27 No. 4 p.535 ~ p.539
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Ectopic canines into the maxillary sinus
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Kim Hyun-Ok
Choi Byung-Jai
Lee Jong-Gap
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Abstract
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Ectopic eruption of a tooth into the oral environment occurs commonly whereas ectopic eruption of a tooth into other sites is rare. Those that have been reported include the nasal cavity, chin mandibular condyles, coronoid processes, orbits and maxillary sinus.
The etiologic factors of ectopic eruption are developmental disturbances such as cleft palate and teeth displaced by trauma or cysts, maxillary infection, genetic factors, crowding and exceptionally dense bone. In many cases, however, the etiology cannot be identified.
Eruption of the teeth into the maxillary sinus is uncommon, however, the identification of such teeth can be important since they have potential to cause considerable morbidity. The definitive treatment is surgical removal of the teeth.
A 7 year-old-boy visited the Department of Pediatric Dentistry, College of Dentistry, Yonsei University for treatment of dental caries. The abnormal erupting paths of the left and right maxillary canines were found during routine panoramic radiographic investigations. A panoramic radiograph taken at 13 years old revealed that two maxillary canines were located into the sinus. The teeth were extracted the Caldwell-Luc approach.
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KEYWORD
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Ectopic eruption, Maxillary canines, Maxillary sinus, Caldwell Luc operation
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