title: [Hardness change of methacrylic resin in process of polymerization (author's transl)].
mesh_terms: D006245:Hardness Tests; D006358:Hot Temperature; D008768:Methylmethacrylates; D011108:Polymers; D013997:Time Factors
chemical_list: D008768:Methylmethacrylates; D011108:Polymers