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CC BY-NC-ND 4.0 · Eur J Dent 2010; 04(03): 245-250
DOI: 10.1055/s-0039-1697835
Original Article
European Journal of Dentistry

Fluoride Release and Recharge from Different Materials Used as Fissure Sealants

Sule Bayrak
a   Department of Pediatric Dentistry, Faculty of Dentistry, University of Ondokuz Mayis, Samsun, Turkey.
,
Emine Sen Tunc
a   Department of Pediatric Dentistry, Faculty of Dentistry, University of Ondokuz Mayis, Samsun, Turkey.
,
Abdurrahman Aksoy
b   Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Ondokuz Mayis, Samsun, Turkey
,
Ertan Ertas
c   Department of Restorative Dentistry, Faculty of Dentistry, University of Ondokuz Mayis, Samsun, Turkey.
,
Dilek Guvenc
d   Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Ondokuz Mayis, Samsun, Turkey
,
Sezin Ozer
e   Department of Pediatric Dentistry, Faculty of Dentistry, Ondokuz Mayis University, Samsun, Turkey
› Author Affiliations
Further Information

Publication History

Publication Date:
30 September 2019 (online)

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Objectives: Fluoride release/recharge properties of fissure sealants are important for their longterm inhibition of caries. This study was conducted to examine the relationship between fluoride release and recharge of pit-and-fissure sealants.

Methods: Specimens were prepared from 5 different sealant materials: Fissurit F, a conventional resin; Fuji VII, a glass-ionomer cement (GIC); Fuji II LC, a resin-modified GIC; Ionosit, a polyacidmodified composite resin (PMRC); and Aelite Flo, a flowable composite resin. Specimens stored in a polyethylene test tube containing 5.0 ml ultrapure water. On day 21, specimens were exposed to 1.23% APF gel. Fluoride release was measured using a fluoride-specific ion electrode at 1-7, 14, 21, 22, 28, 35 and 42 days.

Results: The glass-ionomer based sealants Fuji VII and Fuji II LC had significantly higher fluoride release than the other materials at all times tested (P<.05). Fluoride release of all materials tested increased following exposure to APF gel (P<.05).

Conclusions: Within the limitations of this short-term study, glass ionomer-based sealants were shown to have higher initial fluoride release as well as higher fluoride recharge capacity than other sealants. (Eur J Dent 2010;4:245-250)

Keywords

Fissure sealant - Fluoride release - Fluoride recharge - Preventive dentistry - Topical fluoride
 

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