Could mouth ulcers (lichen planus) result in oral cancer?

LP is not related. Oral lichen planus is an autoimmune disease and even erosive LP is not related to mouth cancer. If concerned, see an oral pathologist specialist for LP management.
Rarely. Lichen planus, an autoimmune disease, may lead to oral cancer in rare cases. If you notice a change in the pattern or your lesions, or worsening of symptoms, have it checked soon by an oral surgeon.

Related Questions

How do the symptoms of mouth ulcers and oral cancer differ?

Gowth rate/healing. Mouth ulcers tend to be painful and heal within 1-2 weeks. When oral cancer is present as an ulceration it grows at a steady rate, isn't tender, and never heals. Oral cancer kills 30, 000 people in the us every year so if you suspect that you may it, see a doctor asap. Early intervention gives higher success rates. Read more...
Duration. Almost any kind of ulcer or trauma in the mouth will heal within a few weeks, but oral cancer will not just go away. If you have an area that won't heal, don't assume that it's cancer, it probably isn't, but do not ignore it either. Have your dentist evaluate the area to see if further investigation is needed. Read more...
FYI. Not all ulcers are cancerous and not all cancers of the mouth present as ulcers. Any unusual lesion and all that do not go away after two weeks should be biopsied. See an oral surgeon if you want peace of mind for an evaluation. Read more...

What are the odds of getting mouth cancer due to oral lichen planus?

Low. The incidence of lichen planus turning into some type of oral skin cancer is very low according to my opinion. I have never seen a case study where any cases have been reported. Read more...
Rarely if ever. I've included one resource that discusses lichen planus as well as the answer to your specific question. I'm sure that if you research it you will find more. It probably is not a direct cause effect relationship but a very rare occurrence. See: http://www.Everydayhealth.Com/oral-head-and-neck-cancer/lichen-planus-and-oral-cancer.Aspx. Read more...
Possible. Low frequency but possible. Make sure you are followed carefully by your doctor. Read more...

If a blister/ulcer on floor of my mouth doesn't heal after few weeks, does that mean chances of oral cancer are very high?

No. Don't assume the worst right away. You're right that most oral sores seem to heal within a few weeks, but that's just a general guideline. Make sure you're not doing anything to aggravate healing like frequent rinsing with an alcohol based rinse. I would have the area checked out though to see if it warrants further investigation. Read more...

I have an ulcer in my mouth. Is that a form of oral cancer?

See a dentist. Usually not but you should get it checked by a dentist just to be sure. Read more...
Possible. Unlikely if just appeared. Any oral ulcer that persists beyond a week should be seen by oral surgeon or ENT doc. Read more...

My problem is mouth ulcer since my childhood. It leaves me about 15 days and another will come on another place. Is it changed to oral cancer?

Ulcers, cancer? These types of situations require a one on one medical history and clinical exam. You will have to see a knowledgeable dentist or physician in your area to examine you and give you accurate answers to your questions. Not all ulcers are pre- or cancerous and not all cancers present as ulcers. Read more...

I regularly get mouth ulcers and already have aroind three of them. What could be the reason? Syphilis? Cancer or just normal ulcers? Scared!

Aphthous ulcers. The painful white ones in the mouth rather than on the lips are usually harmless. I trust you do not have lupus, Behcet's, or a low neutrophil count and are otherwise well. These are not cancer and are not syphilis. Read more...
Canker sores. The most common mouth ulcers inside your mouth are canker sores. They can be quite painful but usually heal within 2 weeks. The chance of cancer at your age in minimal. See a dentist to find out exactly what is cause ping these ulcer. Canker sores can be related to trauma, stress, sensitivity to certain foods or additives in toothpaste, vitamin deficiencies, autoimmune problems and other things. . Read more...
See below. The most obvious would be apthous ulcers, which can be caused by stress. Have your dentist do a clinical examination and if this is the case, laser therapy may be able to lessen the duration. If you feel this is not the case, contact your MD for a complete workup. Read more...

Can lichen planus in your mouth be caused by food? I was diagnosed with lichen planus around a year ago, the non-ulcer version. For the most part it doesn't bother me, but I think I've noticed that it tends to flair up after eating certain kinds of spicie

Oral . Oral lichen planus is an inflammatory condition that affects mucous membranes inside your mouth. It may appear as white, lacy patches; red, swollen tissues; or open sores on any soft tissues of the mouth. These lesions may cause burning, pain or other discomfort. When the lesions flare up, eating spicy foods will cause pain. Spicy foods do not cause the lesions but only cause you to be more aware of them. The disorder occurs when the immune system mounts an attack against cells of the oral mucous membranes. The reason for this is unknown. It cannot be passed from one person to another. Oral lichen planus is usually a chronic condition that causes little or no symptoms. It usually is diagnosed at a dental exam and verified by an small biopsy. Treatments are usually undertaken only of the lesions are painful and/or ulcerative. Treatments that suppress the immune system abnormalities, such as topical or systemic steroids may improve more severe lesions and lessen pain. People with oral lichen planus may also have related lichen planus lesions on the skin, genitals or other parts of the body. Further information and treatment may be obtained by a board certified oral and maxillofacial surgeon. Read more...
The . The cause for lichen planus is unknown, however the spicier foods you are eating can cause irritation to normal tissues in the mouth. It wouldn't be a surprise if the already irritated tissues affected by the lichen planus also feel additional irritation. Although there is no connection, obviously you are experiencing one. Avoid those foods that you know make your lichen planus more uncomfor. Read more...