Advise please. My daughter 3 years. She sucks a finger, a jaw already is...

[Ekaterina]

Advise please. My daughter 3 years. She sucks a finger, the jaw is already spoiled, further porit it would not be desirable. (and even to correct it will be impossible) How to disaccustom to this bad habit, something she can is necessary restful give, very active and emotional?

[Nogovitsyn V.J.]

Ask at conference of the children's psychologist.