Özet:

There are many complications associated with a maxillary sinus, during extraction of a maxillary posterior teeth. The root of a tooth which is accidentally pushed into the maxillary sinus is one of the reasons that make up 10% of the dental-source maxillary sinusitis. In literature, although many types of bacteria cause dental-source sinus infection, enteric Citrobacter coseri (C. coseri) is a rare factor of maxillary sinusitis. A 34-year-old woman presented to our clinic with pain in the right upper jaw molar teeth region. A displaced tooth root was detected by a panoramic film in an edentulous maxillary first molar region. Surgical removal of the tooth root was undertaken via an open sinus surgery with resolution of symptoms. Green tooth root was analyzed in an anaerobic and aerobic culture in a microbiology laboratory. After 24 hours in 37 °C aerobic incubation time pure gram negative basil colonies were observed. Following the conventional methods colonies were also analyzed with the compact automatic identification system VITEK2, and were detected as C. coseri

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