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What Are The Possible Causes Of Black Spot Inside The Mouth?

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Medically reviewed by - Dr. Tez Pratap Singh, MD Written by - Dr K. Azeem Hussain

Introduction

Black Spot Inside the Mouth

It can be unsettling to discover a black spot or dot on the inside of your mouth or cheek, but it’s not always a symptom of something dangerous. Moles, hyperpigmentation, and dental filling leaks are just a few of the benign disorders that can discolor your mouth. In extremely rare instances, a black spot may be an indication of oral melanoma, a type of cancer caused by malignant changes in the melanocytes (the cells that generate the pigment melanin that gives skin its color) in those who are affected. 1 Introduction | Researched based study from National Institutes of Health

It can be unsettling to discover a black spot or dot on the inside of your mouth or cheek, but it's not always a symptom of something dangerous. Moles, hyperpigmentation, and dental filling leaks are just a few of the benign disorders that can discolor your mouth.

Causes

Causes of a Black Spot Inside the Mouth

The following conditions may lead to the development of a black, tiny, circular mark, on the inside of your cheek which includes:

  • Blood blister
  • Melanotic macules
  • Oral nevi
  • Dental filling leakage
  • Addison’s disease
  • Smoker’s melanosis
  • Oral cancer
  • Peutz-Jeghers syndrome

Blood blister

  • Blood is contained in sacs of fluid called blood blisters. They come in a range of colors, such as deep red and purple.
  • They frequently develop when the skin in your mouth is pinched. Blood blisters are frequently large enough for you to feel them with your tongue.
  • The delicate areas of your mouth, such as your cheek or inside lips, are where they most frequently develop. They generally cause pain when touched or after having hot food.
  • Most blood blisters go away soon on their own and don’t need to be treated. However, if the blood blister lasts for more than two weeks or begins to flare up again, it is advisable to contact a doctor.

Melanotic macules

  • Areas of hyperpigmentation called oral melanotic macules have an average diameter of one-fourth of an inch.
  • They can be as tiny as 0.04 inches. The majority of these locations are flat and have a distinct border.
  • Although oral melanotic macules are not malignant, your doctor may advise a biopsy to exclude melanoma.

Oral nevi

  • Moles, also known as oral nevi, are tiny brown, bluish-grey, or nearly black spots that can develop inside your mouth.
  • In most cases, oral nevi are mildly elevated. Although they can develop on the cheeks, they are more frequently found on the inside of the lip or the roof of the mouth. In most cases, they have no symptoms.
  • Oral nevi often don’t require any treatment, and they haven’t been known to progress to malignancy.
  • In order to confirm that the spot is in fact a nevus and not a melanoma, your doctor or dentist may still advise performing a biopsy.

Leaking dental fillings

  • The primary components of amalgam are mercury, tin, tin, zinc, silver, and copper. Leaks from these dental fillings might result in amalgam tattoos.
  • They typically seem dark blue, grey, or black and are rather frequent. They’re usually seen next to a filling. Amalgam tattoos don’t have any symptoms and don’t require any kind of care. Unless eliminated through laser surgery.

Addison’s disease

Adrenal insufficiency, also known as Addison’s disease, is a lack of the hormones that your adrenal glands normally produce. One of the symptoms of Addison’s disease is hyperpigmented skin blotches inside of your mouth. Other symptoms include:

After speaking with your doctor, you can take medicine to supplement the hormones your adrenal glands are unable to produce on their own and prevent the body from experiencing its symptoms.

Smoker’s melanosis

  • The blotchy stain known as smoker’s melanosis, which appears inside of your cheeks and gums, can be brought on by smoking. About 22% of persons with this discoloration are smokers. 3 Causes| Researched based study from National Institutes of Health
  • Both symptoms and therapy are not necessary for these stains. However, in order to rule out other illnesses, your doctor will probably advise a biopsy.
  • Smoking can cause a smoker’s melanosis, which is a blotchy stain that develops inside of your cheeks and gums. Smokers make up about 22% 3 Causes| Researched based study from National Institutes of Health of those who have this discoloration.
  • Both symptoms and therapy are not necessary for these stains. However, in order to rule out other illnesses, your doctor will probably advise a biopsy.

Oral cancer

  • Melanoma is a form of skin cancer that affects melanocytes, which are pigmented cells.
  • Melanoma can develop in your mouth and nose although it most usually occurs on skin areas that are frequently exposed to sunlight.
  • A dark patch within your cheek may, in exceedingly rare circumstances, be a symptom of oral melanoma. Early oral melanoma symptoms are frequently nonexistent.
  • The typical symptom is a dark brown to blue-black patch. It may also be white or not colored at all. The spot may experience pain, ulceration, and/or bleeding in its later stages. Among the possible treatments for oral melanoma are:
  • Surgery
  • Immunotherapy
  • Radiation
  • Drug therapy.

Peutz-Jeghers syndrome

  • In the intestines and stomach, Peutz-Jeghers disease creates noncancerous growths known as polyps. 
  • Along with dark spots on the lips, inside the mouth, next to the eyes and nose, and around the anus, this illness frequently affects children. Age typically causes the spots to diminish.
  • Pain, bleeding, or intestinal blockage are among the problems that Peutz-Jeghers syndrome patients frequently experience.
  • There is currently no treatment for Peutz-Jeghers syndrome, but the polyps in the digestive tract can be removed surgically. 2 Causes | Researched based study from National Institutes of Health

Black Spots

Black Spots in the Mouth

Black ulcer in the mouth

  • The painful sores known as “black mouth ulcers” are pigmented ulcers that develop in the mouth. Despite being unsettling, they are typically harmless and resolve largely on their own.
  • They are frequent and can frequently be treated at home without seeing a dentist. When eating, drinking, or cleaning your teeth, mouth ulcers can be uncomfortable and unpleasant.
  • If your mouth ulcer has been present for three weeks or if it keeps coming back, see your dentist.
  • A bacterial infection that may require antibiotic therapy can be detected if your mouth ulcer gets more painful or red. 4 Black spots| Researched based study from nidirect

Painless black spot on the roof of the mouth

  • Even though a black spot within your mouth is probably painless/harmless, you should still keep an eye on it to make sure it doesn’t enlarge or change in appearance.
  • Dark discolorations in the mouth may occur due to conditions such as oral nevi, smoker’s melanosis, leakage stains (from amalgam dental fillings), and/or blood blisters, which are typically not serious enough but may require medical attention if persist for a longer duration.
  • A dark patch in the mouth may also be an indication of oral melanoma, a form of mouth cancer that must be treated right away with the help of a dentist in order to prevent unfavorable side effects in an affected individual. 2 Black Spots | Researched based study from National Institutes of Health

FAQs

FAQs About Black Spot Inside the Mouth

Q. Why is my mouth’s roof black?

  • Your mouth’s roof may develop black or dark spots for a variety of reasons, most of which are minor and treatable.
  • Additionally, more severe disorders like mouth cancer might produce black patches.
  • To find the cause of your black spot, it is essential to schedule a dentist appointment to ascertain the cause. 2 FAQs | Researched based study from National Institutes of Health

Q. Are black spots in the mouth cancer?

  • In extremely rare instances, a black or dark area inside the mouth could be a sign of oral malignant melanoma or another type of oral cancer.
  • Because of this, it’s always worthwhile to visit your dentist if you discover a strange pigmentation in your mouth that persists, bleeds, or gets bigger.
  • Through examination and possible sample collection for laboratory testing, your dentist can determine the possible cause of the black spot and treat it adequately.
  • The black spot on your cheek can be lessened and kept from getting worse by following basic oral hygiene habits that include brushing your teeth twice daily and flossing once per day. 1 FAQs| Researched based study from National Institutes of Health

Q. Which vitamin deficiency results in tongue black spots?

  • From little specks to obvious black regions, black spots on the tongue can look frighteningly different. If you find black dots, see a dentist right away so they can make a proper diagnosis.
  • When you chew food, the human tongue, a muscle coated with taste buds, pushes the food around the mouth while also communicating flavor information to the brain which remains discernible to the human eye, and appears as dark dots on the tongue. 
  • Black patches on the tongue may also be the result of hyperpigmentation brought on by vitamin B12 deficiency, which normally goes away once the deficiency is treated. 5 FAQs| Researched based study from National Institutes of Health

Q. Are black spots on the tongue serious?

  • On the tongue, black specks/spots can be concerning. Even though the spots, marks, or patches may occasionally be harmless, a dentist or doctor is the only one who can correctly identify their cause. If you discover any black spots on your tongue, visit a dentist right away. 6 FAQs| Researched based study from National Institutes of Health

Takeaway

Black Spots Inside the Mouth: Consult a Doctor

Black spots inside the mouth can have a variety of origins. The majority of those who have these spots won’t have any symptoms or require any care. Some individuals may require over-the-counter drugs for painful diseases, such as bleeding blisters. The presence of black spots inside the mouth may not necessarily be harmful, but it is still advisable to see a doctor if the spots continue because they can assist in evaluating whether additional treatment is necessary or not. 1 Takeaway | Researched based study from National Institutes of Health , 2 Takeaway | Researched based study from National Institutes of Health

Disclaimer: The user acknowledges that this article's information is being offered for informational purposes only. Every attempt has been made to guarantee that the article is informational and correct. If they have any doubts or questions about their health, we firmly advise our readers to visit a doctor or other healthcare professional.

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