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Potentiometric determination of monofluorphosphate in dentifrice: a crtical discussion and a proposal for new improved procedures (CROSBI ID 90593)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Pavić, M. ; Carević, Darija ; Cimerman, Zvjezdana Potentiometric determination of monofluorphosphate in dentifrice: a crtical discussion and a proposal for new improved procedures Jurnal of Pharmaceutical and Biomedical analysis, 20 (1999), 565-571-x

Podaci o odgovornosti

Pavić, M. ; Carević, Darija ; Cimerman, Zvjezdana

engleski

Potentiometric determination of monofluorphosphate in dentifrice: a crtical discussion and a proposal for new improved procedures

It was shown that dentifrices containing fluoride ions can significantly to caries prevention (1,2). In the presence of F-, the hydroxylfluorapatite Ca10(PO4)6(OH)2-xFx, Wich is more resistant to acids than hydroxylapatite Ca10(PO4)6(OH)2 is sedimented on the tooth surface. As a result, the reconstitution of the tooth surface is much better and faster. The source of fluoride ions in dentifrices is sodium fluoride, tin fluoride, zinc fluoride, aminfluoride or-sodium monofluorphosphate. The latter componud is the one used most frequently. It contains covalently bonded fluorine and releases usually about 6% of fluoride inos during the application of dentifrice by hydrolysis in the mouth. Sodium monofluorphosphate is used in various dentifrices wichcontain Ca2+ and Mg 2+ insoluble salts as abrasives and the active fluoride ion can be lost as sparingly soluble CaF2 or MgF2. When NaF2 FPO3 is presents, the F- that disappeared is compensated by new F- ions delivered by continuous hydrolysis of NaF2 FPO3 by dentifrice application in the mouth.

dentifrice; fluoride-electrode; potentiometric determination of

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Podaci o izdanju

20

1999.

565-571-x

objavljeno

Povezanost rada

Kemija