A liquid polymerizable composition comprising: - a liquid monomer composition containing a monomer of formula: wherein: R represents a hydrogen atom or a methyl group, A represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms, Y is an oxygen atom or a sulphur atom X is -O-, -S- or -NR2-, R1 and R2, identical or different, are a hydrogen atom or a C1-C6 alkyl, and B represents a C1-C6 alkyl, aryl, heteroaryl, aryl C1-C6alkyl or heteroaryl Cl-C6alkyl, or B is absent and R1 and X form a 5-membered heterocycle, such as a 2-imidazolidinone, optionally substituted on NH-, 2-oxazolidinone or 2-thiazolidinone, or B represents: wherein: R' represents a hydrogen atom or a methyl group, A' represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms, Y' is an oxygen atom or a sulphur atom, X' is -O-, -S- or -NR2'-, R1' and R2', identical or different, are a hydrogen atom or a C1-C6 alkyl, and Q represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms substituted with an aryl, heteroaryl, aryl Cl-C6alkyl, aryloxy, arylthio, aryl Cl-C10alkyloxy, aryl C1-C10alkylthio, heteroaryl C1-C6alkyl, heteroaryl Cl-C10alkyloxy, or heteroaryl C1-C10alkylthio, and - mineral nanoparticles homogeneously dispersed in said monomer composition. - a liquid monomer composition containing a monomer of formula: wherein: R represents a hydrogen atom or a methyl group, A represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms, Y is an oxygen atom or a sulphur atom X is -O-, -S- or -NR2-, R1 and R2, identical or different, are a hydrogen atom or a C1-C6 alkyl, and B represents a C1-C6 alkyl, aryl, heteroaryl, aryl C1-C6alkyl or heteroaryl Cl-C6alkyl, or B is absent and R1 and X form a 5-membered heterocycle, such as a 2-imidazolidinone, optionally substituted on NH-, 2-oxazolidinone or 2-thiazolidinone, or B represents: wherein: R' represents a hydrogen atom or a methyl group, A' represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms, Y' is an oxygen atom or a sulphur atom, X' is -O-, -S- or -NR2'-, R1' and R2', identical or different, are a hydrogen atom or a C1-C6 alkyl, and Q represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms substituted with an aryl, heteroaryl, aryl Cl-C6alkyl, aryloxy, arylthio, aryl Cl-C10alkyloxy, aryl C1-C10alkylthio, heteroaryl C1-C6alkyl, heteroaryl Cl-C10alkyloxy, or heteroaryl C1-C10alkylthio, and R represents a hydrogen atom or a methyl group, A represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms, Y is an oxygen atom or a sulphur atom X is -O-, -S- or -NR2-, R1 and R2, identical or different, are a hydrogen atom or a C1-C6 alkyl, and B represents a C1-C6 alkyl, aryl, heteroaryl, aryl C1-C6alkyl or heteroaryl Cl-C6alkyl, or B is absent and R1 and X form a 5-membered heterocycle, such as a 2-imidazolidinone, optionally substituted on NH-, 2-oxazolidinone or 2-thiazolidinone, or B represents: R' represents a hydrogen atom or a methyl group, A' represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms, Y' is an oxygen atom or a sulphur atom, X' is -O-, -S- or -NR2'-, R1' and R2', identical or different, are a hydrogen atom or a C1-C6 alkyl, and Q represents a hydrocarbon chain comprising 1, 2, 3 or 4 carbon atoms substituted with an aryl, heteroaryl, aryl Cl-C6alkyl, aryloxy, arylthio, aryl Cl-C10alkyloxy, aryl C1-C10alkylthio, heteroaryl C1-C6alkyl, heteroaryl Cl-C10alkyloxy, or heteroaryl C1-C10alkylthio, and - mineral nanoparticles homogeneously dispersed in said monomer composition.