question: Hello  about a week before I had surgery on my neck which involved three levels a plate and screw put in I started with my mouth like a little blood blister in it  after surgery which is just little over a week and half my mouth is soar with more blisters I brush wash with warm salt water and use non mint ,or scope mouth wash what can this be ???  I can not go out yet and move around  too much please help  Thanks.