Hello and welcome to HCM
It has been four days only since you got your wisdom teeth extracted.
After extraction of the tooth a space is created where the teeth once were present.
This space will initially be filled with blood and slowly the granulation tissue will grow into it.
Granulation tissue is fibrous tissue with newly erupted blood vessels.
Slowly entire area will be converted into a firm soft tissue
as your gums.
So, there is nothing to worry. Do not be over concerned with that area. Leave it on its own to heal.
In the meanwhile you can take saline gargles and pain killers if it hurts.
In case there is excessive pain you can report it to your dentist
to rule out infection.
Thanks and take care
Dr Shailja P wahal