Odontoblast metabolism in rats deficient in vitamin D and calcium II

Abstract
Rats were fed a low Ca diet deficient in vitamin D for 14 days. Changes in alkaline phosphatase activities in odontoblasts dissected out from incisor teeth were studied biochemically. A strong increase in pNPP-ase [p-nitrophenyl phosphatase], PPi-ase [inorganic pyrophosphatase], total ATP-degradation and Ca2+-ATPase was observed in deficient animals compared with animals fed a control diet.