At me the enamel, especially on canines strongly wears out. Painfully at hit with...

[Queens]

At me the enamel, especially on canines strongly wears out. Painfully at hit of a current of air on a tooth. What methods of strengthening of an enamel exist, except for ftorlaka?

[Toropov E.N.]

Covering changed or istonchennoj enamels svetootverzhdaemym ftorsoderzhashchim hermetic.