Not good English. I thing you would prefer to say:
Get your smile at the rest.
[ Get a big toothy smile, laugh ! And enjoy a pleasant holiday while
getting it back.]

Modern prosthetic dentistry in elite
Lugansk's clinics.
[Modern prosthetic dentistry in beautuful
Lugansk's first class dental clinics.]

One of the best European cermets masses Vita
Omega.
[?]

Gives back happiness of the open smile.
[ You will love your new smile and not have to worry anymore]

Take pleasure from
prices of our region
[ we have great prices so give us an email ]
[[ phone call ? ]]

I  am now looking at Thailand and Argentina for dental services. I'll
help write some advertisements if you like, perhaps I can be a sales
representative if your services are dependably good since the yankee
dentist are too self absorbed/fat yet unquencably  hungry.
Now to have the computer translate the above into Russian and back to
English.