USE OF NOT EASILY WATER-SOLUBLE CALCIUM SALTS AND/OR THE COMPOSITES THEREOF

The use of a composition containing at least one not easily water-soluble calcium salt and/or the composite material thereof, to protect and/or therapeutically treat and/or preventively treat teeth and/or bones in case of damage or prevent damage resulting from external influences, especially biological, chemical, physical, and/or microbiological influences, particularly to prevent and repair bone and tooth erosion, especially the enamel, maintain the enamel, protect teeth from aggressive acids, particularly caused by bacterial activity or the effect of acids contained in food, protect teeth from demineralizing, seal cracks, provide protection against and/or repair primary lesions and/or initial cavities in the enamel, smooth the tooth surface, prevent cavities make it easier to clean teeth, improve the mechanical resistance of teeth, and generally keep teeth healthy.