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Composite resins post-polymerization

The majority of the polymerization of a dental composite resin occurs very quickly, typically during the 20-40 s or so of light irradiation from the dental cure lamp. However, free radicals within the material do not terminate immediately the lamp switches off. Hence they are able to continue their propagation steps for some time after this initial cure, as growing polymer molecules containing free radical centres continue to incorporate extra monomer molecules [24]. Shrinkage, which is associated with polymerization, has been shown to continue for up to 24h after initial setting [25] in a process known as post-polymerization [26]. [Pg.42]

R.L. Leung, PL. Fan, W.M. Johnston, Post-irradiation polymerization of visible light-activated composite resin, J. Dent. Res. 62 (1983) 363-365. [Pg.60]

See other pages where Composite resins post-polymerization is mentioned: [Pg.206]    [Pg.149]    [Pg.457]    [Pg.6770]    [Pg.215]    [Pg.149]    [Pg.142]    [Pg.832]    [Pg.208]    [Pg.3]    [Pg.199]    [Pg.287]    [Pg.87]    [Pg.1640]    [Pg.214]    [Pg.279]    [Pg.433]    [Pg.131]   
See also in sourсe #XX -- [ Pg.42 ]



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