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Performance of two potentiometric fluoride determination methods in hard dental tissue

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.

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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.

Item Type:Article
ID Code:1486
Status:Published
Refereed:Yes
Uncontrolled Keywords:Dental materials, fluoride ISE potentiometry, linear calibration, multiple spiking addition
Subjects:Area 06 - Scienze mediche > MED/28 Malattie odontostomatologiche
Area 05 - Scienze biologiche > BIO/10 Biochimica
Area 03 - Scienze chimiche > CHIM/01 Chimica analitica
Divisions:001 Università di Sassari > 03 Istituti > Clinica odontoiatrica
001 Università di Sassari > 01 Dipartimenti > Scienze biomediche
001 Università di Sassari > 01 Dipartimenti > Chimica
001 Università di Sassari > 02 Centri > Nanoworld Institute, Nanoscience Laboratories, Sassari Unit
Publisher:International Society for Fluoride Research
ISSN:0015-4725
Publisher Policy:Depositato per gentile concessione dell'Editore
Deposited On:18 Aug 2009 10:05

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