How can I identify a dry socket in a wisdom tooth extraction site?

I have just gotten my wisdom teeth removed. There is yellow stuff in one of the holes and I am hoping it isnt some sort of sympton that leads to a dry socket. Just to be clear, I havent used straws or anything, and it has been two days post op. I have been taking my medication for infection. No pain whatsoever, I just want to be on the safe side. Thank you in advanced.
Asked May 16, 2016

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