| 摘要 |
<p>A preparation for hindering the development of secondary dental caries i.e. caries developing at the margins of dental fillings, consists of alkali fluorides and/or alkali monofluorophosphates incorporated in a film-forming carrier pref. consisting of natural or synthetic resin, in the form of a gel or a soln. Suitable film-forming substances are e.g. colophonium and Me methacrylate.</p> |
