[Comparative study of retention of a Zn phosphate cement and 4-META].

The recent appearance, in the market of the supercements, suggest to us, news concepts of retention-adhesion, of our preparations, that they are going to put in to the mouth. Between his applications, we have the cementation of crowns, post or dowels, adhesive-prosthesis, and inlays. According to the manufactures, the long duration of the bond power, his great physiques properties, and his easy management, gives to this products a good conditions, to use in the mouth. The present report to prove in vitro, the retentive capacity on the dentine without treatment, and metal.