Coloured scanning electron micrograph (SEM) of non-keratinised epithelial cells (pink) and bacteria (yellow) collected from a healthy gingival sulcus using a paper point. Fibres (grey-brown) from the paper are visible in the background. The gingival sulcus is the area where the gums and teeth meet. Only a few bacteria are present indicating that the sulcus was normally colonised. The picture was created as part of a cooperation with Quintessenz Publishing. Magnification: x1,200 when printed at 15cm wide.

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Creative#:

TOP28976599

Source:

達志影像

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RM

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須由TPG 完整授權

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No

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All moral rights asserted. Recolouring or alterationof the image is prohibited without permission.