Open AccessZinc incorporation in human dental calculus
Author(s) -
Barrea Raúl A.,
Pérez Carlos A.,
Ramos Aline Y.
Publication year - 2001
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s090904950001952x
Subject(s) - zinc , calcium , phosphate , chemistry , zinc phosphate , adsorption , in vivo , inorganic chemistry , ion , in vitro , nuclear chemistry , biochemistry , organic chemistry , biology , microbiology and biotechnology
We present here the first study of the local environment of zinc ions in biological calcium phosphates. It was suggested from in vitro studies that zinc inhibits the formation of hydroxyapatite and promotes the formation of more soluble phases, like tricalcium phosphate. Several mechanisms of zinc ‐ calcium phosphate interaction were proposed, yielding either to the adsorption or to the incorporation of zinc ions into the phosphate structure. The results obtained here show that, under in vivo conditions, the zinc atoms are fully incorporated into the crystalline structure of the calcium phosphates.