A common myth about mouth sores is that they are always caused by poor oral hygiene. While oral hygiene can play a role in mouth sore development, they can also be caused by various factors such as stress, hormonal changes, nutritional deficiencies, immune system issues, or underlying medical conditions. Head to benova.net to learn more! #mouthrinse #oralhealth #bioinnovation #dentalhygiene #mouthsores