GERISTORE

 Geristore is a dual cure , hydrophilic, nonaqueous  polyacid modified composite resin composed of fluoride releasing glass, mainly barium fluorosilicate, and a polymerizable organic matrix (Modified Bis-GMA, including 2-HEMA) combined with a photoinitiator.

Used as retrograde filling material for perforation etc….

Advantages of these materials

1. include insolubility in oral fluids,
2. increased adhesion to tooth structure,
3. dual cure effect,
4. low cure shrinkage,
5. low coefficient of thermal expansion,
6. radiopacity,
7. fluoride release, and
8. biocompatibility.

                                    REF: JOE  31, 3, 2005