intracoronal retainer (medicine) and brown 2, noun (oh)

intracoronal retainer (medicine)

intracoronal retainer

A retainer that depends upon components placed within the crown portion of a tooth for its retentive qualities.

brown 2, noun (oh)

2 n [U and C]
the colour of earth, wood, or coffee
::This particular model is available in brown, white, or grey.
::the browns and greens of the landscape

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