A composition for use in bone healing and bone regeneration in the form of a viscoelastichydrogel gel or liquid formulation comprising fibrinogen, thrombin and an inorganiccomponent comprising a strontium (Sr) containing compound and/or possiblyanother metal such as a calcium containing compound. The strontium containingcompound can be dissolved in the thrombin solutions or added to the clot in crystallineparticulate form. Upon mixing the components, gelation takes place to form amatrix. The composition may also comprise an iodine-containing compound whichacts as a plasticizer.
