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KMID : 1146620210100020065
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Journal of Korean Academy of Advanced General Dentistry
2021 Volume.10 No. 2 p.65 ~ p.69
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Maxillary Third Molar Displaced into the Infratemporal Fossa: a Case Report
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Kim Hee-Youl
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Abstract
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Although it is not common for a maxillary third molar to be displaced into the infratemporal fossa during the extraction, it could happen by an inappropriate direction of action. The infratemporal fossa consists of important structures such as the internal maxillary artery, the venous pterygoid plexus, the sphenopalatine nerve, the coronoid process of the mandible, and the pterygoid muscles. Therefore, there is a risk of nerve damage and bleeding in the process of removing the displaced tooth. However, it is recommended to extract the displaced tooth from the infratemporal fossa to prevent infection and restriction of mandibular movement, and relieve psychological anxiety of the patient. There is debate about the timing of its removal. The tooth can be removed intraorally or extra orally using equipment such as an endoscope. This report introduces an immediate intraoral extraction method in which the maxillary third molar was displaced to the infratemporal fossa during the extraction under the local anesthesia.
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KEYWORD
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Maxillary third molar, Displacement, Complication, Infratemporal fossa
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