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- Publisher Website: 10.1016/j.jdent.2020.103474
- Scopus: eid_2-s2.0-85091653461
- PMID: 32941973
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Article: Evaluation of F, Ca, and P release and microhardness of eleven ion-leaching restorative materials and the recharge efficacy using a new Ca/P containing fluoride varnish
Title | Evaluation of F, Ca, and P release and microhardness of eleven ion-leaching restorative materials and the recharge efficacy using a new Ca/P containing fluoride varnish |
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Authors | |
Keywords | Fluoride Calcium Release Recharge Glass ionomer cement |
Issue Date | 2020 |
Publisher | Elsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdent |
Citation | Journal of Dentistry, 2020, v. 102, p. article no. 103474 How to Cite? |
Abstract | Objectives
The objectives of this study were to evaluate fluoride (F), calcium (Ca), and phosphate (P) release of ion-leaching restorative materials (ILMs), their recharge efficacy with a Ca/P-containing F varnish, and relative microhardness.
Methods
Thirteen groups of materials were investigated. Cylindrical-shaped specimens were fabricated. Deionised water or lactic-acid solution were used as the storage media. Solutions were changed after 1d, 4d, 7d, and 14d of ion release and at the same periods after recharge with MI Varnish (7 -h storage). F, Ca, and P measurements were accomplished using a fluoride-ion selective electrode, atomic absorption spectrometry, and colourimetric method by spectrophotometer, respectively. Relative Vickers hardness was proceeded with similar specimens used in the F assay (4 periods). SEM/EDS was additionally performed. Statistical analyses were calculated in each parameter (p < 0.05).
Result
Hardness of several ILMs immediately increased after recharge. After 28d, Ketac Universal [a high-viscosity glass-ionomer cement (HVGIC)] showed the highest hardness similar to the resin composite control. Although 2 HVGICs (Zirconomer and Equia Forte Fil) ranked as first and second for F release/re-release, some HVGICs had inferior or comparable F capacity to RMGICs (Fuji VIII and Fuji II LC) and a resin-based (RB) ILM (Cention N). Cention N, Activa-Restorative (RB-ILM), and Zirconomer were the top-3 ranking for Ca release/re-release. Activa-Restorative showed the highest P release, whereas Cention N displayed the greatest recharge ability for P.
Conclusions
Zirconomer showed a versatile performance for ion-release/re-release, especially for F. Cention N had excellent capacity in relation to Ca release and recharge ability of Ca/P.
Clinical significance
With the F varnish recharge protocol, Zirconomer, Equia Forte, and Fuji VIII seems to have an ability to inhibit initial caries initiation. Cention N is a promising resin-based material that could be an alternative for high caries risk patients due to the high Ca release/recharge with acceptable F release. |
Persistent Identifier | http://hdl.handle.net/10722/306668 |
ISSN | 2023 Impact Factor: 4.8 2023 SCImago Journal Rankings: 1.313 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Reungrungsom, C | - |
dc.contributor.author | Burrow, MF | - |
dc.contributor.author | Parashos, P | - |
dc.contributor.author | Palamara, JEA | - |
dc.date.accessioned | 2021-10-22T07:37:55Z | - |
dc.date.available | 2021-10-22T07:37:55Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Journal of Dentistry, 2020, v. 102, p. article no. 103474 | - |
dc.identifier.issn | 0300-5712 | - |
dc.identifier.uri | http://hdl.handle.net/10722/306668 | - |
dc.description.abstract | Objectives The objectives of this study were to evaluate fluoride (F), calcium (Ca), and phosphate (P) release of ion-leaching restorative materials (ILMs), their recharge efficacy with a Ca/P-containing F varnish, and relative microhardness. Methods Thirteen groups of materials were investigated. Cylindrical-shaped specimens were fabricated. Deionised water or lactic-acid solution were used as the storage media. Solutions were changed after 1d, 4d, 7d, and 14d of ion release and at the same periods after recharge with MI Varnish (7 -h storage). F, Ca, and P measurements were accomplished using a fluoride-ion selective electrode, atomic absorption spectrometry, and colourimetric method by spectrophotometer, respectively. Relative Vickers hardness was proceeded with similar specimens used in the F assay (4 periods). SEM/EDS was additionally performed. Statistical analyses were calculated in each parameter (p < 0.05). Result Hardness of several ILMs immediately increased after recharge. After 28d, Ketac Universal [a high-viscosity glass-ionomer cement (HVGIC)] showed the highest hardness similar to the resin composite control. Although 2 HVGICs (Zirconomer and Equia Forte Fil) ranked as first and second for F release/re-release, some HVGICs had inferior or comparable F capacity to RMGICs (Fuji VIII and Fuji II LC) and a resin-based (RB) ILM (Cention N). Cention N, Activa-Restorative (RB-ILM), and Zirconomer were the top-3 ranking for Ca release/re-release. Activa-Restorative showed the highest P release, whereas Cention N displayed the greatest recharge ability for P. Conclusions Zirconomer showed a versatile performance for ion-release/re-release, especially for F. Cention N had excellent capacity in relation to Ca release and recharge ability of Ca/P. Clinical significance With the F varnish recharge protocol, Zirconomer, Equia Forte, and Fuji VIII seems to have an ability to inhibit initial caries initiation. Cention N is a promising resin-based material that could be an alternative for high caries risk patients due to the high Ca release/recharge with acceptable F release. | - |
dc.language | eng | - |
dc.publisher | Elsevier Ltd. The Journal's web site is located at http://www.elsevier.com/locate/jdent | - |
dc.relation.ispartof | Journal of Dentistry | - |
dc.subject | Fluoride | - |
dc.subject | Calcium | - |
dc.subject | Release | - |
dc.subject | Recharge | - |
dc.subject | Glass ionomer cement | - |
dc.title | Evaluation of F, Ca, and P release and microhardness of eleven ion-leaching restorative materials and the recharge efficacy using a new Ca/P containing fluoride varnish | - |
dc.type | Article | - |
dc.identifier.email | Burrow, MF: mfburr58@hku.hk | - |
dc.identifier.authority | Burrow, MF=rp01306 | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.jdent.2020.103474 | - |
dc.identifier.pmid | 32941973 | - |
dc.identifier.scopus | eid_2-s2.0-85091653461 | - |
dc.identifier.hkuros | 328978 | - |
dc.identifier.volume | 102 | - |
dc.identifier.spage | article no. 103474 | - |
dc.identifier.epage | article no. 103474 | - |
dc.identifier.isi | WOS:000591836800015 | - |
dc.publisher.place | United Kingdom | - |