In dental treatment, dental cements are used for attaching prostheses. Dental cements are also used as a protective material for treating hypersensitivity and as a sealant for children, for example.
However, dental cements have low curability under humid conditions, such as in the oral cavity, which has been a problem.
Patent Document 1 describes a polymerizable composition made up of a first component containing a (meth)acrylate and tert-butyl hydroperoxide as a peroxide; and a second component containing a (meth)acrylate, thiourea derivative as a reducing agent, and a vanadium compound as a polymerization accelerator.
Patent Document 2 describes a polymerizable composition made up of a first component containing a (meth)acrylate and cumene hydroperoxide as a peroxide; and a second component containing a (meth)acrylate, a thiourea derivative as a reducing agent, and a vanadium compound as a polymerization accelerator.