발치 중 상악동 내로 전위된 치근으로 인한 만성 상악동염 1예

Odontogenic sinusitis is a well-recognized condition and accounts for approximately 10% to 12% of cases of maxillary sinusitis. An odontogenic source should be considered in individuals with symptoms of maxillary sinusitis with a history of odontogenic infection, dentoalveolar surgery, periodontal surgery, or in those resistant to conventional sinusitis therapy. Diagnosis usually requires a thorough dental and clinical evaluation including appropriate radiographs. The most common causes of odontogenic sinusitis include dental abscesses and periodontal disease, irritation and secondary infection caused by intra-antral foreign bodies, and sinus perforations during tooth extraction. We report a case of unilateral chronic maxillary sinusitis associated with a displaced tooth root into the maxillary sinus during extraction. We successfully retrieved the displaced tooth root via endoscopic approach. Based on the findings of our case, we suggest that patient’s dental problem history and dental state must be taken into consideration in cases where maxillary sinusitis is suspected. (J Clinical Otolaryngol 2009;20:81-84)