matrix calculus

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ma·trix cal·cu·lus

a yellowish-white to light tan urinary calculus containing calcium salts, with the consistency of putty; composed chiefly of an organic matrix consisting of a mucoprotein and a sulfated mucopolysaccharide, and usually associated with chronic infection.

ma·trix cal·cu·lus

(mā'triks kal'kyū-lŭs)
A yellowish-white to whitish-tan urinary calculus containing calcium salts in an organic matrix and usually associated with chronic infection.
References in periodicals archive ?
performed SCTG combined with double papilla flap or a repositioned flap,3,4 while Andrade performed CAF with enamel matrix derivative.
Number of sites exhibiting complete root coverage: Two split-mouth studies3,4 employing SCGT and one parallel study32 combining CAF with enamel matrix derivative reported the results of complete root coverage.
Four trials met the proposed inclusion criteria, providing data from patients treated with SCTG, CAF combined with enamel matrix derivative, or free rotated papilla autograft.
Stina Gestrelius also presented another four Biora BioEx projects to persue the development of enamel matrix derivatives outside the oral cavity.