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The effect of chlorhexidine and cetylpyridine on the binding of amaranth to saliva‐coated hydroxyapatite
Author(s) -
Jensen Jørn Erik,
Tustian Donald G.
Publication year - 1978
Publication title -
journal of periodontal research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.31
H-Index - 83
eISSN - 1600-0765
pISSN - 0022-3484
DOI - 10.1111/j.1600-0765.1978.tb00180.x
Subject(s) - amaranth , chemistry , chlorhexidine , saliva , apatite , ammonium , dentistry , nuclear chemistry , biochemistry , mineralogy , organic chemistry , medicine
The effects of chlorhexidine (CHX) and cetylpyridine (CPC) on the binding of an acidic food‐dye (amaranth) to hydroxyapatite treated with salivary proteins were studies. Apatite treated with proteins and CHX or CPC bound considerable amounts of amaranth, whereas protein‐coated apatite did not. The dye binding capacity of untreated apatite was dependent on the amount of CHX or CPC absorbed. CHX displayed much greater efficiency than CPC in promoting binding of dye. A mechanism of bisbiguanide‐ or quaternary ammonium‐mediated tooth stain formation is discussed.