Resin based cements have been shown to be superior to
Resin-based cements have been shown to be superior to conventional cements for retaining post in the root canal post space  and are believed to reinforce the root . Resin cements are classified according to their modes of curing as chemically-cured, light-cured and dual-cure. Chemically-cured luting cements are not easy to use as they ZD6474 have a very limited working time. Light-cured cements are difficult to cure at the apical part of the post space, even with the use of a light transmitting fiber post .