抄録
Statistics of the isolated organisms were observed as the oral infections treated at the department of dental and oral surgery in Toyohashi City Hospital in recent 7 years. Samples were gathered by means of needle aspiration from the closed abscesses.
Isolated organisms were total 1, 082 strains out of 823 cases. There were microaerophilic Streptococcus 442 cases (53.7%), α-Streptococcus 175 cases (21.3%), anaerobic bacteria 399 cases (48.5%) and others 66 cases (8.0%) .
We also reported two cases of the liver or pulmonary abscess suspected focal infection from that of chronic dental infections. Streptococcus anginosus was isolated from each abscess.
