How mobile are protons in the structure of dental glass ionomer cements?

Ana Raquel Benetti, Johan Jacobsen, Benedict Lehnhoff, N.C.R. Momsen, Denis Okhrimenko, Mark T. F. Telling, N. Kardjilov, Markus Strobl, Tilo Seydel, Ingo Manke, Heloisa Nunes Bordallo