While some might believe that a canker sore, a fever blister ,or a cold sore are directly related to simple kissing, it is a wide range of things that can cause any sore on or inside your mouth. Oral health care professionals have seen them all and it is very common to have a sore on or inside of your mouth at some point in your life. If you wear braces, a mouth guard, or have recently had a procedure done, you may have developed teporary sores inside of your mouth. Also, if you have been biting your mouth, or if you have had exposure to hot food or even sunburnt, you may have exposed your delicate tissue to elements that could result in blister or sores. While unsightly for many, these sores a surperficial and are usually able to heal themselves within a few days. However, there are the reoccuring cold sores and the like that tend to develop as a reaction to something else. Adults who may have been exposed to herpes will have the virus dormant in their system. It is common to be exposed to this virus before a person even reaches adulthood. Once they do, the outbreak of a cold sore is revealed when their body copes with hormonal changes, stress, or even physical elements like sunburnt skin. While there is always the idea that a "kissing disease" is the cause of any sore on the mouth, it is always important to look at the different causes and to find out exactly what the issue is before you chalk it up to something it simply isn’t. You have the ability to educate yourself on proper oral hygiene and if you have the time to brush your teeth on a daily basis, finding time get the answer for any oral health care mystery shouldn’t be a problem. If you have anything in your mouth that needs to be addressed, your dentists will surely let you know.