materia alba

ma·te·ri·a al·'ba

accumulation or aggregation of microorganisms, desquamated epithelial cells, blood cells, and food debris loosely adherent to surfaces of plaques, teeth, gingiva or dental appliances.
[L. white matter]

materia alba

[mətir′ē·ə· al′bə]
Etymology: L, white matter
a whitish or cream-colored cheesy mass deposited around the necks of the teeth, composed of food debris, mucin, and dead epithelial cells. It is usually associated with poor oral hygiene.

ma·te·ri·a al·ba

(mă-tē'rē-ă al'bă)
Accumulation or aggregation of microorganisms, desquamated epithelial cells, blood cells, and food debris loosely adherent to surfaces of plaques, teeth, gingiva, or dental appliances.
[L. white matter]

ma·te·ri·a al·ba

(mă-tē'rē-ă al'bă)
Accumulation or aggregation of microorganisms, desquamated epithelial cells, blood cells, and food debris loosely adherent to surfaces of plaques, teeth, gingiva or dental appliances.
[L. white matter]

materia alba

(mətir´ēə al´bə),
n a soft white deposit around the necks of the teeth, usually associated with poor oral hygiene; composed of food debris, dead tissue elements, and purulent matter; serves as a medium for bacterial growth.

materia

pl. materiae [L.] material; substance.

materia alba
material that accumulates on teeth; it is a conglomeration of salivary protein, desquamated epithelial cells, degenerating leukocytes and bacteria. See also plaque.
References in periodicals archive ?
There is considerable long-standing food debris, materia alba.