Turkey signed 22 agreements in social security field and if you are a citizen of those countries, then any social security payment made in Turkey will be enforceable in your country as well. You can also benefit from social security services in Turkey such as healt care.
If your country is not listed below; you can still benefit the healt care in Turkey (as long as you have work permit and your premiums are paid by employer) but your security payments shall not be calculated/enforced in your own country.
The countries that have signed socail security agreement with Turkey are;
7 Czech Republic