After brushing my teeth i noticed several white spots with a red outer rim on my gums, they hurt a little. the one closer to the tooth is bigger ?

Too many things.....: Depending on how long these have been present, there are too many possibilities of what this might represent - you should have this condition examined and properly diagnosed before taking any chances on what someone might suggest it is. Categories this could fall into include viral, inflammatory, bacterial, etc - not worth guessing - get an exam done at your dentist (get one if you don't have now