Can Dental Work Cause Cold Sores?

Occasionally, within a few days after children receive dental treatment, groups or clusters of painful blisters or sores may occur on or around the lips. These sores, often called cold sores or fever blisters, may first appear as reddish areas and can progress to ulcers quickly.

Why do I get sores in my mouth after dental work?

If you accidentally bite the inside of your cheek or the side of your tongue during chewing, the traumatized area could develop a canker sore in response. Some people even get ulcers after dental treatment, which can be hard on the soft tissue of the mouth.

Is it normal to get cold sores after oral?

Mar. 1, 2005 -- Vaginal intercourse and receiving oral sex can raise a woman's risk of infection from herpes simplex virus type 1 (HSV-1). That's the type of herpes that's most commonly known to cause infections of the mouth and lips, often called fever blisters or cold sores.