抜歯、歯磨き、咀嚼後の細菌血症の頻度に関する調査

An investigation of the frequency of bacteraemia following dental extraction, tooth brushing and chewing.

抄録

われわれは、黒人患者における抜歯および一般的な口腔処置である歯磨きと咀嚼後の細菌血症の頻度と、細菌血症と口腔衛生との関係を明らかにするために研究を行った。抜歯後の患者の29.6％、歯磨き後の患者の10.8％、咀嚼後の患者では陽性血液培養が検出されなかった。歯垢および歯肉の指標を用いて評価した口腔の健康状態と菌血症の発生率との間に関係は認められなかった。菌血症の持続時間は15分未満であった。抜歯前に血液培養が陽性であった患者が1名おり、口腔衛生状態は不良であった。本研究により、細菌血症は歯磨き後に発生することが確認された。

We conducted a study to determine the frequency of bacteraemias following dental extraction and common oral procedures, namely tooth brushing and chewing, and the relationship between bacteraemia and oral health in black patients. Positive blood cultures were detected in 29.6% of patients after dental extraction, in 10.8% of patients after tooth brushing and in no patients after chewing. No relationship between the state of oral health, which was assessed using the plaque and gingival indices, and the incidence of bacteraemia was found. The duration of bacteraemia was less than 15 minutes. One patient had a positive blood culture prior to dental extraction; his oral health status was poor. Our study confirmed that bacteraemia occurs after tooth brushing.