Buccal fat removal, is this swelling normal? (Photos)

I had my surgery yesterday the doctor started with my right side he spent 45 min to find the fat and he had a lot of work in this side the left side took only 15 min the day post I have swollen face but it is numb and very swollen in the right side is there any possibility that a nerve has been enjured or the silvery gland??and what are the signs??how can I distinguish if it is normal swell or an infection?when I touch it from inside with my tongue I feel it tender and this side is warm