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.
Performance differences of two potentiometric fluoride determination methods in hard dental tissue / Campus, Guglielmo Giuseppe; Gaspa, Leonardo; Pilo, Maria Itria; Scanu, Roberta; Spano, Nadia; Cagetti, Maria Grazia; Sanna, Gavino. - In: FLUORIDE. - ISSN 0015-4725. - 40:2(2007), pp. 111-115.
Performance differences of two potentiometric fluoride determination methods in hard dental tissue
CAMPUS, Guglielmo Giuseppe;PILO, Maria Itria;SPANO, Nadia;SANNA, Gavino
2007-01-01
Abstract
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.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
