Browsing Centre for Oral Bioengineering by Author "Nicholson, JW"
Now showing items 1-13 of 13
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Can glass polyalkenoate (glass-ionomer) dental cements be considered bioactive? A review.
Nicholson, JW; Sidhu, SK; Czarnecka, B (Elsevier, 2024-02-15)OBJECTIVES: This paper reviews the chemical behaviour of glass polyalkenoate (glass-ionomer) dental cements, both conventional and resin-modified, in contact with natural tissues, with the aim of determining whether these ... -
Consensus on glass-ionomer cement thresholds for restorative indications.
de Lima Navarro, MF; Pascotto, RC; Borges, AFS; Soares, CJ; Raggio, DP; Rios, D; Bresciani, E; Molina, GF; Ngo, HC; Miletić, I (2021-02-18)Objective: The aim of this paper is to present the results of a consensus meeting on the threshold property requirements for the clinical use of conventional glass-ionomer cements (GICs) for restorative indications. ... -
Correlation between mechanical properties and stabilization time of chemical bonds in glass-ionomer cements
Menezes-silva, R; Bertol de Ouveira, BM; Rodrigues Magalhaes, AP; Bueno, LS; Sanches Borges, AF; Baesso, ML; de Lima Navarro, MF; Nicholson, JW; Sidhu, SK; Pascotto, RC (2020) -
Determination of chemical species of fluoride during uptake mechanism of glass-ionomercements with NMR spectroscopy
Bueno, LS; Borges, AFS; Navarro, MFL; Nicholson, JW; Hill, RG; Sidhu, SK (2021) -
The effect of temperature and ionic solutes on the fluoride release and recharge of glass-ionomer cements.
Madi, F; Sidhu, SK; Nicholson, JW (Elsevier, 2019-11)OBJECTIVE: To determine the effect of storage temperature and the presence of sodium chloride in solution on the fluoride uptake and release of glass-ionomer cements. METHODS: Several commercial brands were used, and stored ... -
Enhancing the Mechanical Properties of Glass-Ionomer Dental Cements: A Review
Nicholson, JW; Sidhu, SK; Czarnecka, B (2020-06) -
Fluoride exchange by glass-ionomer dental cements and its clinical effects: a review.
Nicholson, JW; Sidhu, SK; Czarnecka, B (Taylor & Francis Group, 2023-08-18)The topic of fluoride release and uptake by glass-ionomer (glass polyalkenoate) dental cements is reviewed. The study was based on a literature search carried out using PubMed. The main key words used were glass-ionomer ... -
Fluoride release and uptake in enhanced bioactivity glass ionomer cement ("glass carbomer™") compared with conventional and resin-modified glass ionomer cements.
Hasan, AMHR; Sidhu, SK; Nicholson, JW (2019-02-21)OBJECTIVES: To study the fluoride uptake and release properties of glass carbomer dental cements and compare them with those of conventional and resin-modified glass ionomers. MATERIALS AND METHODS: Three materials were ... -
In vitro evaluation of the stabilization time of chemical bonds during setting reaction and microhardness of preheated glass-ionomer cements
Sidhu, S; lopes, L; Terada, R; de Castro-Hoshino, L; de Oliveira, B; Pascotto, R; Baesso, M; Tabchoury, C; Sato, F; Nicholson, JW -
Kinetics of ion release from a conventional glass-ionomer cement.
Nicholson, JW; Coleman, NJ; Sidhu, SK (Springer, 2021-03-16)Release kinetics for sodium, silicon, aluminium, calcium and phosphorus from conventional glass-ionomer dental cement has been studied in neutral and acid conditions. Specimens (6 mm height × 4 mm diameter) were made from ... -
Positive correlation between fluoride release and acid erosion of restorative glass-ionomer cements.
Bueno, LS; Silva, RM; Magalhães, APR; Navarro, MFL; Pascotto, RC; Buzalaf, MAR; Nicholson, JW; Sidhu, SK; Borges, AFS (2019-01)OBJECTIVE: The aim of this study was to determine whether there is a correlation between acid erosion and fluoride release of conventional glass ionomer cements. METHODS: Ten specimens for each material were prepared for ... -
A Review of Glass-Ionomer Cements for Clinical Dentistry.
Sidhu, SK; Nicholson, JW (2016-06-28)This article is an updated review of the published literature on glass-ionomer cements and covers their structure, properties and clinical uses within dentistry, with an emphasis on findings from the last five years or so. ... -
Translucency parameter of conventional restorative glass-ionomer cements.
Uchimura, JYT; Sato, F; Santana, RG; Menezes-Silva, R; Bueno, LS; Borges, AFS; de Lima Navarro, MF; Nicholson, JW; Sidhu, SK; Pascotto, RC (2020-11-14)OBJECTIVE: To evaluate the translucency parameter (TP) and contrast ratio (CR) of different conventional restorative glass-ionomer cements (GICs). MATERIALS AND METHODS: Eighteen brands of GICs were evaluated. Five disks ...