Scared Of The Movable Lump On Your Jaw Bone?

Sometimes, you may have a soft or hard, movable lump growth under the chin. Usually, this bump under the chin is not a problematic condition, and it resolves independently. But, in some instances, the movable lump on the jaw bone may need medical intervention. Let’s look at the top 10 possible reasons for this issue.


Recurrent exposure to potential allergens can cause inflammation in the lymph nodes or other parts of the face, including the areas near your jawline. If you have a movable lump under your jaw bone along with seasonal allergy symptoms, the cause can be allergies.

Your sinus areas and glands tend to close whenever they come in contact with any food or medicine that can cause allergy. Bump on gums because of an allergy may be sore and painful.

Tooth Abscess

A tooth abscess is inevitable if you leave an oral infection as it is. In this situation, bacteria reach the blood vessels and infect the nerves inside the inner area, causing an infection. Infection results in extreme swelling, making a movable lump on your jaw bone.

If you see a protrusion seek a dentist’s help immediately for an examination. Commonly a root canal is apt for these conditions. However, in other cases, tooth removal cannot be avoided.

Swollen lymph node

You have various lymph nodes and glands underneath the neck close to the jawline containing white blood cells. At the time of an infection, these lymph nodes inflame as your immune system with WBCs fight the infection. You may observe a movable bump either on one or both sides of your jaw bone.


It is a benign fat lump deposit that grows under your skin, commonly on your neck or jaw. Lipomas do not develop in a day; they take their due time. First appear as a soft, colorless formation and are not painful on touch.


Fibromas growth of soft tissues that may appear develops anywhere on the body and are not malignant. Ossifying fibroma is a non-cancerous tumor that forms in the frontal area of your jaw. These bumps cause swelling and a movable soft lump on your jaw bone.


Slow growing non-cancerous growth in the skull or other facial bones. They gradually gain structure and are non-symptomatic. They get their due importance after these lumps become mobile and cause hindering in breathing or vision etc.


An abnormal fluid or air-filled pocket/sacs that develop on the outer surface of the tissues. A movable soft lump may set on your jawline. Usually, they do not come with additional symptoms but sometimes swell up, causing aches and discomfort.


Sometimes the bumps on your jaw bone may be a malignant tumor; they are hard and do not move at all. However, there is one kind of cancer- liposarcoma that results in soft, movable lumps.

Salivary Gland Obstruction

Some of the salivary glands that splurge out saliva are present under the tongue and mouth floor. In certain cases, they narrow up or get blocked by crystallized saliva. This leads to pain and swelling of the glands.


An open cut can lead to cellulitis, which is an infection of the skin. If it doesn’t clear up, it forms a pocket of pus which looks like a lump under the skin.

When should You Call The Dentist?

A movable lump on the jaw bone is mainly related to allergic reactions or an infection that doesn’t need medical assistance. However, if you suffer from the following set of signs talk to your dentist immediately:

  • Difficulty moving or opening jaw
  • Pain while swallowing
  • Painless and stiff lumps on the jaw
  • High-grade fever
  • Worsening pain

Call one of the dentists from Luxe Dental Arts if you have a bump on your gums or a mobile lump under the jaw bone. Our professionals are experts in the matters of the oral cavity. Reach out at 281 969 7456.