Tooth root formation promoting factors and method for promotion of tooth root formation

摘要

The present invention provides a tooth root formation promoting factor and a method for promotion of tooth root formation, which can promote tooth root formation and which are useful in various aspects of dental therapy. Specifically, the tooth root formation promoting factor contains, as an active ingredient, proteins belonging to the FGF8 subfamily (i.e., fibroblast growth factors); and the method includes administering proteins belonging to the FGF8 subfamily to a mammalian.