What are canker sores caused by, do they affect your teeth?
Jul 25th, 2008 by Dr. Kourosh Maddahi DDS
The main reason for canker sore is due to stress or sometimes certain types of dental work can cause canker sores. Also there is a viral component to canker sores in certain cases. Also, some hormonal changes during the month can cause canker sores. However, canker sores do not affect your teeth at all.