Commute 45 to 59 min. 7.20%. Commute greater than 60 min.
1 Oral Ulcers: Usually, an ulcer is referred to as an open wound which is formed inside the mouth and this occurs due to the invasion of micro organisms. 2  Sometimes, blood blisters are caused due to the skin infections caused as a side effect of medications. 3  Ulcers are of two types they are: Canker sores and Cold sores.
Unlikely: It's unlikely that biting the inside of the cheek would cause bruising that's visible from the outside. The mucosal lining of the mouth is actually very tough, and you'd have to bite through a very thick layer of mucosa to cause bleeding that'd be visible as a bruise from the outside. ...Read more. Dr. Melissa Gowans.