Hard Bump on Roof of Mouth: 20 Possible Causes

Hard bumps on roof of mouth are usually harmless. They can come and go from time to time and are generally painful. However, it can be alarming if they cause incessant pain, irritation, and show in large numbers.

Hard Bump on Roof of Mouth

Hard Bump on Roof of Mouth

20 Possible Causes of Hard Bump on Roof of Mouth


The tissue on the roof of your mouth is sensitive and vulnerable to injuries, including burns, cuts, and irritation. A severe burn can develop a fluid-filled blister as it heals. A cut or puncture wound can also swell and feel like a lump.

Symptoms of a mouth injury include:

  • pain
  • bleeding or cut tissue
  • burning sensation
  • burn that blisters or crusts over
  • bruising
  • firm, smooth lump of scar tissue, which can be a flat under dentures

Buccal Exostosis or osteoma

Buccal exostosis is an abnormal growth of hard bumps on the back of the mouth.  This condition happens when extra born starts to grow on the existing one. Exostosis is a harmless condition although it can affect the shape of your mouth.

Torus palatinus

Torus palatinus is a bony growth in the middle of the hard palate, also known as the roof of your mouth. It can vary in size, from hardly noticeable to very large. Even if it’s large, torus palatinus isn’t a sign of any underlying disease. Most cases of torus palatinus don’t require treatment.

Symptoms include:

  • hard lump in the center of the roof of your moth
  • bump that’s either smooth or lumpy
  • bump that grows slowly larger throughout life

Growths in Maxillary Sinus

Sometimes, due to a growth in the maxilla, that is the bone of the upper jaw, there may be a swelling that could protrude into the roof of the mouth and be visible as a bump.

Canker sores

Canker sores are small red, white, or yellow sores that can occur on the roof of your mouth, tongue, or the inside of your lips and cheeks.Canker sores go away on their own within 5 to 10 days. Other symptoms may include:

  • pain
  • difficulty swallowing
  • sore throat

There are two types of canker sores.

  • Simple canker sores: these typically appear three or four times a year. They are felt for about a week and then they disappear. Generally, people between 10 and 20 years of age are affected.
  • Complex sores: these are less common. They may develop in people who previously had simple canker sores.
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Palatal Cysts (Epstein pearls)

Epstein pearls are whitish-yellow cysts that newborns get on their gums and the roof of their mouths. Epstein pearls are harmless and usually go away a few weeks after birth.

Nasopalatine duct cyst

A nasopalatine duct cyst can develop in an area behind your two front teeth. It’s sometimes called a cyst of the palatine papilla. These cysts are painless and often go unnoticed.

Cold sores

Cold sores are fluid-filled blisters that typically form on the lips, but can sometimes form on the roof of your mouth. Cold sores on roof of mouth usually caused by herpes simplex virus that doesn’t always cause symptoms. Cold sores heal within a few weeks. Other symptoms of cold sores include:

  • painful blisters, often grouped in patches
  • tingling or itching before the blister forms
  • fluid-filled blisters that rupture and crust over
  • blisters that ooze or appear as an open sore


Hyperdontia is a condition that involves the development of too many teeth. Most extra teeth develop in the roof of your mouth, behind your two front teeth. If the painful lump on roof of mouth sore throatthat you feel is at the front of the roof of your mouth, it could be caused by an extra tooth coming it. Hyperdontia can be detected on routine dental X-rays.

Additional symptoms of hyperdontia include:

  • facial pain
  • headache
  • jaw pain

Squamous papilloma

Oral squamous papillomas are noncancerous masses caused by human papilloma virus (HPV). They can form on the roof of your mouth or elsewhere in your mouth. Most cases of squamous papilloma don’t require treatment.

Symptoms include a lump that:

  • painless
  • grows slowly
  • looks like a cauliflower
  • white or pink


Oral mucoceles are mucus cysts that can form on the roof of your mouth. Mucocele roof of mouth typically form when a small injury irritates a salivary gland, causing a buildup of mucus. Mucoceles can last for several days or weeks, but they usually don’t require treatment.

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Symptoms of mucoceles include lumps that are:

  • round, dome-shaped, and fluid-filled
  • transparent, bluish, or red from bleeding
  • alone or in groups
  • white, rough, and scaly
  • painless

Oral fibroma

Oral fibroma is an ongoing irritation, often from dentures or other devices, that cause a lump made of scar tissue.

Tooth Abscess

An abscessed tooth is a painful infection that occurs at the root of the tooth. If the infection becomes severe enough, it may cause the appearance of bumps on the roof of the mouth. Usually these bumps will be located on the sloping end of the palate, near the infected tooth.

Enlarged Incisive Papilla

The incisive papilla is a fleshy projection located on the palate near the incisors. If there is a bump on the roof of your mouth just behind the incisors, then it is refer to some enlarged incisive papilla.

Oral cancer

Oral cancer refers to cancer that develops anywhere inside your mouth or on your lips. While not common, cancer can develop in the salivary glands on the roof of your mouth.

Symptoms of oral cancer include:

  • a lump, growth, or thickening of the skin in your mouth
  • a sore that doesn’t heal
  • a bleeding sore
  • jaw pain or stiffness
  • sore throat
  • red or white patches
  • difficulty or pain when chewing or swallowing

Mouth Ulcers

Sometimes, the bumps on roof of mouth are just mouth ulcers. They can vary from red to yellow to white in color. Mouth ulcers can arise as due to consumption of certain specific food items, stress, anxiety, hormonal changes and iron deficiency.


If the bumps are itchy, they are caused due to allergic reactions in the body. This can happen while taking certain vaccines, medicines, food or when the body is exposed to certain allergens. If the allergies get too severe, the patient should be taken to the hospital.

Surgery and Braces

Opting for surgery, root canal and braces can leave the mouth stressed and lead to little bumps on roof of mouth.

Nicotine stomatitis

Smoking cigars or pipes can result in a medical condition where whitish bumps may develop along the palate called nicotine stomatitis, also called smoker’s palate.

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Sometimes, bumps on roof of mouth hurts are due to a cancer called adenocarcinoma, which affects your minor salivary glands.


Hard Bump on Roof of Mouth Medical Treatment

Hard Bump on Roof of Mouth Treatment

Hard Bump on Roof of Mouth Treatment

  • Medical prescription of drugs that include antibiotic and antivirus that can help to treat the inflamed growth in your palate caused by bacterial or viruses. Antibiotics can help when it comes to infected bumps in the mouth. They usually help to heal bumps that are not as a result of serious ailments. Antibiotics can help in the reduction of pain caused by bacterial sinus infection.
  • Surgical treatment by use of sterilized tools and equipment to remove cancerous tumors, exostosis and any other types of bump on roof of the mouth
  • Laser treatment is a type of cancer therapy that uses beam of strong light to kill cancerous cell
  • Excision
  • Radiation therapy, surgery, and chemotherapy.


Hard Bump on Roof of Mouth Home Remedies

  • Drink a lot of water: Some bumps in the mouth usually develop just because if dehydration. Taking a lot of water will help treat such bumps with ease. For example, canker sores usually do not require any treatment, and they will fade away after a given period of time.
  • Over the counter medicine: Some of the conventional medications which contain glycerin and peroxide can be helpful for curing canker sores causing bumps on roof of mouth.
  • Quit Smoking: The only way to get permanently rid of these bumps is to quit smoking, alcohol and chewing tobacco.
  • Topical creams such as orabase
  • Rinsing the mouth with lukewarm salt water around four times each day
  • Intake supplements rich in vitamin B complex
  • Limit the intake of spicy foods
  • Keep alcohol away


When to see a doctor

  • They last for over two weeks
  • You have a sore that won’t heal.
  • You have a serious burn.
  • It’s too painful to chew or swallow.
  • Your lump changes in size or appearance.
  • There’s a foul-smelling odor in your mouth.
  • Your dentures or other dental devices no longer fit properly.
  • You’re having trouble breathing.
  • They are accompanied with red and white patches
  • You also have other symptoms like a high fever, vomiting, or other symptoms of illness

Tags: cold sore on roof of mouth Hard Bump on Roof of Mouth Causes Hard Bump on Roof of Mouth Home Remedies Hard Bump on Roof of Mouth Treatment mucocele roof of mouth painful lump on roof of mouth sore throat roof of mouth hurts

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