J. Klos, B. Czarnecka, J.W. Nicholson, I. Nowak and A. Wawrzyńczak, The effect of heat treatment of an ionomer glass on its surface characteristics and cement-forming properties, Ceramics-Silikaty, 64, 1-6, (2020).

 E. Gjorgievska, J.W. Nicholson, D. Gabrić, G. Z. Asli, I. Miletic, N.J. Coleman, Assessment of the impact of the addition of nanoparticles on the properties of glass–ionomer cements, Materials, 13, 276 (12pp) (2020).

 F.S. Made, S.K. Sidhu and J.W. Nicholson, The effect of temperature and ionic solutes on the fluoride release and recharge of glass-ionomer cements, Dent. Mater., 36, e9-e14,  (2020).

 A.P.R. Magalhães, B.M.B. de Oliveira, M.Baesso, L.Bueno, A.F. Borges, R. Menezes-Silva, S.K. Sidhu, M.F.L Navarro and J.W. Nicholson, Correlation between mechanical properties and stabilization time of chemical bonds in restorative glass-ionomer cements, Braz. Oral Sci., 34, Article ID e053, (2020).

 J.W. Nicholson, S.K. Sidhu and B. Czarnecka, Improving the mechanical properties of glass-ionomer dental cements, Materials, 13, Article ID 2510, (2020). 

 J.W. Nicholson, Titanium alloys for dental prostheses, Prosthesis, 2(2), 100-116 (2020).

 M.F.L. Navarro, R.C. Pascotto, A.F.S. Borges, E. Bresciani, R.M. Carvalho, T.C. Fagundes, J.E. Frencken, S. Gurgan, S.C. Leal, R. Menezes-Silva, I. Miletić, G. Milona, H.C. Ngo, D.P. Raggio, C.J. Soares, T. Tüzüner, L. Wang, J.W. Nicholson and S.K. Sidhu, Consensus on glass-ionomer cement thresholds for restorative indications, J. Dent., 107, 103609, (2021).

 J.W. Nicholson, N.J. Coleman and S.K. Sidhu, The kinetics of ion release from conventional glass-ionomer dental cements, J. Mater. Sci; Mater. Med., 32, Article number 30, (2021).

 F.M. Tsuzuki, L.C. Malacarne, R.C. Pascotto, J.W. Nicholson and M.L. Baesso, Studies of the early stages of the dynamic setting process of chemically activated restorative glass-ionomer cements, Biomater. Investig. Dent., 8, 39-47, (2021). 

 B. Czarnecka, J. Klos and J.W. Nicholson, The interaction of dental glass-ionomer cements with buffer solutions, Ceramics-Silikaty, 65, 120-124, (2021).

 L.S. Bueno, A.F.S. Borges, M.F.L. Navarro, J.W. Nicholson, R.G. Hill and S.K. Sidhu  Determination of chemical species of fluoride during uptake mechanism of glass-ionomer cements with NMR spectroscopy, Dent. Mater., 37, 1176-1182, (2021).

 L.C.P. Lopes, R.S.S. Terada, L.V. de Castro-Hoshino, B.M.B. de Oliveira, R. C. Pascotto, M.L. Baesso, C.P.M. Tabchoury, J.W. Nicholson and S.K. Sidhu, In vitro evaluation of the stabilization time of chemical bonds during setting reaction and microhardness of preheated glass-ionomer cements, Oper. Dent., 46 (3), (2021).

 J. Klos, J.W. Nicholson and B. Czarnecka,  Glass-ionomer dental cements as solid-state buffers, J. Mater. Res. Technol., 15, 3570-3574, (2021).

 H. Roberts, D. Berzins and J. Nicholson, Long-term water balance evaluation in glass ionomer restorative materials, Materials, 15, 807, (2022).

Books

"Materials for the Direct Restoration of Teeth" (With B. Czarnecka), Woodhead Publishing, UK; 2016

Print ISBN 9780081004913; Electronic ISBN 9780091004944

"The Chemistry of Polymers" (5th edition), Royal Society of Chemistry, UK; 2017

Print ISBN 978-1-78262-832-3; ePub eISBN: 978-1-78801-114-3