col

col (kol) a depression in the interdental tissues just below the interproximal contact area, connecting the buccal and lingual papillae.

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col (kl)

n.

A craterlike area of the interproximal oral mucosa joining the lingual and buccal interdental papillae.

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col (kôl),

n a depression in the gingival tissue of the interdental papilla apical to the contact.

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col

a slight depression in the underlying interdental papilla where two teeth contact each other.