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Effect of a Nonrinse Conditioner on the Durability of a Polyacid-modified Resin Composite Fissure Sealant
Umeå University, Faculty of Medicine, Odontology, Clinical Oral Physiology.
Umeå University, Faculty of Medicine, Odontology.
Umeå University, Faculty of Medicine, Odontology, Dental Hygiene.
2004 (English)In: Journal of Dentistry for Children, ISSN 0022-0353, Vol. 71, no 2, 152-157 p.Article in journal (Refereed) Published
Abstract [en]

Purpose: The aim of this study was to evaluate the effect of the simplified conditioning on durability of polyacid-modified resin composite (PMRC; Dyract Seal) fissure sealants. The effectiveness of a nonrinsing conditioner (NRC) on retention of PMRC sealants (92) was studied in a split-mouth design.

Methods: The enamel of 1 molar was pretreated with NRC and coated with Prime & Bond NT (Dentsply DeTrey, Konstanz, Germany)/PMRC. The contralateral molar was conditioned with 36% phosphoric acid and sealed with Delton. The sealant retention was evaluated during 2 years. In addition 49 pairs were sealed with Prime & BondNT/PMRC after conditioning with 36% phosphoric acid and evaluated after 1 year.

Results: Significantly higher loss rates at 1 and 2 years were observed for the NRC/Prime &

Bond NT/PMRC sealants. At 2 years, partial and total loss rates for Delton were 23% and 11%, and for NRC/Prime & Bond NT/PRMC sealants were 44% and 40%, respectively. At

1 year, phosphoric acid-conditioned Prime & Bond NT/PMRC sealants showed significantly better retention than the NRC-conditioned PMRC sealants and the phosphoric acid- conditioned Delton sealants.

Conclusions: Conditioning with NRC prior to sealant application cannot be recommended.

Place, publisher, year, edition, pages
2004. Vol. 71, no 2, 152-157 p.
Keyword [en]
Bonding, caries, conditioning, sealants
URN: urn:nbn:se:umu:diva-13071PubMedID: 15587100OAI: diva2:152742
Available from: 2007-05-02 Created: 2007-05-02 Last updated: 2009-09-19Bibliographically approved

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