biofilm細(xì)菌生物膜適用醫(yī)學(xué)生-資料下載頁
2025-01-06 14:14本頁面
【正文】 there are six biological factors that lead to asymptomatic radiolucencies persisting after root canal treatment. ? (i) intraradicular infection persisting in the plex apical root canal system。 ? (ii) extraradicular infection, generally in the form of periapical actinomycosis。 ? (iii) extruded root canal filling or other exogenous materials that cause a foreign body reaction。 ? (iv) accumulation of endogenous cholesterol crystals that irritate periapical tissues。 ? (v) true cystic lesions, and ? (vi) scar tissue healing of the lesion How are biofilms studied in the lab? ? Singlespecies vs. Multispecies ? Transparent flow cells – Bacteria attach to glass and nutrients flow through the cell ? Microscopy ? Bacterial culture 生物被膜的觀察研究方法 ?掃描電鏡 : Costerton等人在 70年代通過掃描電鏡觀察到了細(xì)菌的生物被膜的存在。 ? 激光共聚焦顯微鏡 : ?分子生物學(xué)方法： Huth et al 2022 SEM cocci neutrophil bug Thanks Adios Ciao 謝謝 Flush your teeth daily Brush your teeth 3 times a day
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