Influence of expanded graphene on physical and chemical properties, and in vitro toxicity of glass ionomer cements for luting. - Martins SP; Geraldino Monteiro CM; da Silva RR; Pintor AVB; Magno MB; Visconti MA; Villela Romanos MT; de Menezes LR; Maia LC; Pithon MM (Biomaterial investigations in dentistry, 2026)