Earlier it was considered, that coffee in the undesirable image influences teeth enamel, changing its color. The newest researches of scientists have denied the previous theory. They have shown that coffee salutarily affects state of teeth.
So, during laboratory researches it has been proved, that a number of natural coffee components prevents formation of bacteria on teeth, including artificial ones. In this case, scientists specify, that it is a question of bacteria, which directly destroy a teeth.
Besides it, chlorogenic and nicotinic acids, and also trigonellin (it impacts relish and distinctive features of coffee drink) help an organism to struggle against some microorganisms, including a streptococcus of sort Streptococcus mutants, which is the main reason of dental caries.
It is worth of mentioning that only coffee drink prepared from fried coffee grains possesses similar properties.
Approximately same properties tea and cranberry juice allocate. They also contain a number of components which “are friends” of dental enamel.