Hi I Just Finished A 12 Day Radiation Therapy This

Hi I just finished a 12 day radiation therapy this past Wednesday so 6 days ago, most of the side effects have started to ease up. Tonight I noticed hat though I expected my saliva to thicken....ti was also a bit bloody ad I have noticed that thee are white spots on potions on the top of my mouth and my gums are white. Is this something to bbe expected?