He said "recovery" is quick, not so that the pain will go away fast.
You might call first before making new appointments. I guess that a week is an average time for pain to diminish.
The inflammation is a normal reaction of your body, and if there is not fever, then it is just to let the body to heal itself.
After two or more days, if the pain still the same or worst, if you have fever, or other symptoms are added, then just show up and ask for immediate treatment.
The body heals different from person to person, and lots of things play in the process, like age, health status, and in this case may be how much food is making contact with the affected area.
I guess that the dentists might prescribe you Ibuprofen or similar besides the antibiotics.