"Patients frequently ask me about why canker sores occur and what is the difference between cold sores, fever blisters and canker sores," Dr. Vijaya Cherukuri says from her Chino, California dental practice -
"Canker sores are many times related to stress or tissue injury, although they can often be linked to certain acidic foods, for example tomatoes, lemons, eggplants etc. Generally the sore will last for seven to ten days. Sometimes it has been associated with an allergic response and there is also a genetic predisposition."
"For some people a vitamin supplement and hydration may help. If a patient has a canker sore, laser treatment may eliminate or hasten the healing process. It may also prevent another occurrence at the same location."
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