whewellite calculus

whe·wel·lite cal·cu·lus

a calculus in which the crystalloid component consists of calcium oxalate monohydrate.
Farlex Partner Medical Dictionary © Farlex 2012

whe·wel·lite cal·cu·lus

(wēwel-īt kalkyū-lŭs)
Dental calculus in which the crystalloid component is calcium oxalate monohydrate.
Medical Dictionary for the Dental Professions © Farlex 2012