dental implant

Hello! I'm student from Georgia. I live here for six months and never had troubles with my health.
Last week my girlfriend came from Georgia to stay for a while. Yesterday she felt strong toothache.
We went to the dentist. He said she needs [link widoczny dla zalogowanych], because her 3 natural teeth were removed last year.
When natural teeth are removed, many problems occur. I have five artificial teeth and know what is it.
What is the difference between artificial teeth and [link widoczny dla zalogowanych]?
I've read that [link widoczny dla zalogowanych]
procedures give people a second chance for their teeth.
I want to know more about it. I've found many sites about [link widoczny dla zalogowanych], but my english not such well to translate it Sad

I know implants are very expensive.
We are poor students. May be you know some free-of-charge clinic or something like that?
May be it would be better and cheaper to get [link widoczny dla zalogowanych]

in Georgia.
It is very insulting situation. My girlfriend Sofia was going to visit theatres, cinemas, exhibitions, sights...
Now she is lying with the toothache. And we have to choose: entertainments or [link widoczny dla zalogowanych] Sad

Please advise me something!