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J Conserv Dent. 2019 May-Jun;22(3):296-299. doi: 10.4103/JCD.JCD_74_19.

Comparison of fluoride ion release and alkalizing potential of a new bulk-fill alkasite.

Author information

1
Department of Conservative Dentistry and Endodontics, Subharti Dental College and Hospital, Meerut, Uttar Pradesh, India.

Abstract

Aim:

This study was conducted to evaluate and compare fluoride ion release by Cention-N (self-cure and light-cure) and conventional glass-ionomer cement (GIC) at different pH and time intervals.

Methodology:

Cavities of similar dimensions were prepared in mandibular molars and restored with Cention-N (by self-cure and light-cure techniques) and GIC. Samples were stored in deionized water, and the cumulative fluoride ion release and change in pH were assessed utilizing spectrophotometer and pH meter, respectively, at the end of 7 days, 14 days, and 21 days. The data thus obtained were statistically analyzed.

Results:

All the tested materials released fluoride ions in both acidic and neutral pH at all time intervals, and the fluoride ion release was significantly higher (<0.05) in acidic pH as compared to neutral pH except in GIC. All the groups showed a statistically significant increase in pH in acidic medium, whereas no significant increase was observed in neutral medium.

Conclusions:

Cention-N (self-cure) has the highest fluoride ion release and alkalizing potential in acidic pH as compared to Cention-N (light-cure) and GIC.

KEYWORDS:

Cention-N; fluoride ion; glass-ionomer cement; pH change

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