Are canker sores inside mouth (gums, inner cheek) a form of hsv 1? never had any blister-like cold sores outside on/around lips.

Canker Sore: The precise cause of canker sores remains unclear.Possible triggers for canker sores include: a minor injury to your mouth from dental work, overzealous brushing, sports mishaps, spicy or acidic foods, or an accidental cheek bite, toothpastes and mouth rinses containing sodium lauryl sulfate, food sensitivities, a diet lacking in vitamin b-12, zinc, folate (folic acid) or iron, stress, or hormonal changes.

Canker sores?: Canker sores are ulcers of unknown origin. They may result from stress, citrus foods, irritation or trauma. They usually occur on the inside of the mouth and the tongue. Aphthous stomatitis (cold sores or fever blisters) are caused by the hsv-1 virus. They usually occur in clusters on the outside of the lips. Check with your dentist for a definitive diagnosis and treatment for pain.