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尽管处在一个抗生素的时代,牙源性感染仍是一个十分普遍而又严重的问题。微生物口腔感染的微生物是复杂的,它反映了口腔菌丛,其中很大一部分是厌氧菌。根据权威性的观点,占优势的微生物是草绿色链球菌、甲种链球菌、丁种链球菌(肠球菌)、金黄色葡萄球菌、假白喉杆菌、放线菌、流感嗜血杆菌和拟杆菌。急性口腔感染最经常分离出的是甲种链球菌。Chow等(1978)对31例口面部牙源性化脓性感染作细菌培养:94%的病例培养出专性厌氧菌,55%培养出需氧菌;52%的病例为需氧菌及厌氧菌混合
Although in an era of antibiotics, odontogenic infection is still a very common and serious problem. Micro-organisms Oral infection of microorganisms is complex, it reflects the oral flora, a large part of which is anaerobic bacteria. According to the authoritative point of view, the predominant microorganisms are Streptococcus viridans, A streptococcus, Streptococcus butyricum (Enterococcus), Staphylococcus aureus, Pseudomonas diphtheriae, Actinomyces, Haemophilus influenzae and Bacteroides . A streptococci are most frequently isolated from acute oral infections. Chow et al. (1978) conducted bacterial culture on 31 cases of oral and dental suppurative infections of the mouth and face: obligate anaerobic bacteria were cultured in 94% of cases, aerobic bacteria were cultured in 55% of cases, aerobic bacteria and pellets in 52% of cases Oxygen bacteria mixed