Campus, Guglielmo Giuseppe and Gaspa, Leonardo and Pilo, Maria Itria and Scanu, Roberta and Spano, Nadia and Cagetti, Maria Grazia and Sanna, Gavino (2007) Performance of two potentiometric fluoride determination methods in hard dental tissue. Fluoride, Vol. 40 (2), p. 111-115. ISSN 0015-4725. Article.
A comparison between two ion selective electrode (ISE) potentiometric methods is reported for determining the amount of fluoride in hard dental tissue after placement of fluoride-releasing dental restorations. The two methods are: (1) the direct method involving linear calibration (LC), and (2) a spiking method involving multiple standard additions (MA). Results showed that measurements performed by the LC method underestimate the amount of fluoride released by up to 30%. Recovery tests demonstrated that the use of MA and blank correction procedures is useful for an accurate and sensitive ISE determination of fluoride in hard dental tissues.
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