Mouth  injuries are common, especially in children, and may involve the teeth, jaw, lips, tongue, inner cheeks, gums, roof of the mouth (hard or soft palates), neck, or tonsils. Sometimes mouth injuries look worse than they are. Even a small cut or puncture inside the mouth may bleed a lot because there are many blood vessels in the head and neck area. Home treatment of minor mouth injuries can help stop bleeding, reduce pain, help healing, and prevent infection.

Teeth  may be injured during a fall or a sport activity. A tooth may be knocked out (avulsed). You may be able to replace a permanent tooth in its socket (reimplant) if it has been knocked out or torn away from the socket. Immediate first aid and dental care are needed when a permanent tooth has been knocked out.

An injury could crack, chip, or break a tooth, or make a tooth change color. A tooth also may be loose or moved in position (dental luxation) or jammed into the gum (intruded).

Other dental injuries may be caused by grinding your teeth, especially at night. Your teeth may hurt, chip, or become loose. Biting surfaces may become flat and worn down. A broken or loose dental appliance or an orthodontic wire or bracket may poke or rub the inside of your mouth and make your mouth sore.

An injury to your mouth or lips may cause a large, loose flap of tissue or a gaping wound that may need stitches. A smaller wound on the lip may be stitched for cosmetic reasons. If an object, such as a piece of broken tooth or an orthodontic wire, gets stuck in a wound, you may need to have it removed by a doctor. You can also have problems from apiercing in the mouth.

The piece of skin between your lips and gums or under your tongue (frenulum ) may tear or rip. Usually this type of injury will heal without stitches. It is generally not a concern unless the tear was caused by physical or sexual abuse.

An injury to the roof of your mouth, the back of your throat, or a tonsil can injure deeper tissues in your head or neck. These injuries can happen when a child falls with a pointed object, such as a pencil or Popsicle stick, in his or her mouth.

Call your dentist or doctor now or seek immediate medical care if:

  • You have signs of infection, such as:
    • Increased pain, swelling, warmth, or redness.
    • Red streaks on the gum leading from a tooth.
    • Pus draining from the gum around a tooth.
    • A fever.
  • You have facial pain or swelling.
  • You have a bump near the sore tooth.
  • Your toothache interferes with your sleep or other activities.   
  • You have a severe toothache that does not improve after 2 hours of home treatment.
  • Watch closely for changes in your health, and be sure to contact your doctor if:
    • You have a toothache off and on for 2 weeks or longer.
    • You do not get better as expected.

Home Treatment -

First aid steps

If you need to see a doctor for your injury, call to arrange for your care and ask what steps to take in the meantime.

To reduce pain and promote healing

  • Apply a cold compress to the injured area, or suck on a piece of ice or a flavored ice pop, such as a Popsicle, as often as desired.
  • Rinse your wound with warm salt water immediately after meals. Saltwater rinses may promote healing. To make a saltwater solution for rinsing the mouth, mix 1 tsp (5 g) of salt to 1 cup (250 mL) of warm water.
  • Eat soft foods that are easy to swallow. Soft foods include:
    • Milk and dairy products, such as milk shakes, yogurt, custards, ice cream, sherbets, and cottage cheese.
    • Meat and meat substitutes, such as tender meats or chicken, tuna, eggs, and smooth peanut butter.
    • Fruits and vegetables, such as well-cooked or canned fruits and vegetables; well-ripened, easy-to-chew fruits; and baked, mashed, or well-cooked sweet potatoes.
  • Avoid foods that might sting, such as salty or spicy foods, citrus fruits or juices, and tomatoes.
  • Do not smoke or use other tobacco products. For more information, see the topic Quitting Smoking.
  • Do not drink alcohol.
  • If a jagged tooth or orthodontic wire or bracket is poking you, roll a piece of melted candle wax or orthodontic wax and press it onto the part that is poking you. Use a pencil eraser to press a broken wire toward your teeth. These are only temporary measures to use until you can see your dentist or orthodontist to fix the problem.
  • Try a topical medicine, such as Orabase or Ulcerease, to reducemouth pain.


Many mouth and dental injuries can be prevented by taking the following steps.

  • Have regular dental checkups. If your gums and teeth are healthy, you are more likely to recover from an injury quickly and completely. For more information, see the topic Basic Dental Care.
  • Use a seat belt to prevent or reduce injuries to the mouthduring a motor vehicle accident. Always place your child in a child car seat to prevent injuries.
  • Wear a mouth guard while participating in sports. A mouthprotector can be made by a dentist or purchased at a store that sells athletic supplies.
  • Wear a helmet and face guard in sports during which a face, mouth, or head injury could occur.
  • If you wear an orthodontic appliance, such as a retainer or headgear, follow your orthodontist's instructions about proper wear and care of it. Learn as much about your orthodontic appliance as you can.
    • Remove headgear and wear a protective mouth guard when playing sports.
    • Remove headgear before engaging in rough play.
    • Do not eat foods that are hard, chewy, crunchy, or sticky.
    • Do not pick at or pull on your braces.
    • Use orthodontic wax to protect the inside of your mouth from poking wires.
    • Store the appliance in the case provided by your orthodontist.
  • If you grind your teeth, ask your dentist whether he or she recommends a mouth guard.
  • If you have seizures or other medical problems that may increase your risk of falls, ask your doctor if and when he or she recommends that you use a helmet and face guard to protect your head and mouth.

More steps to prevent mouth and dental injuries in young children include the following:

  • Be aware of your child's chance of falling, and take steps to prevent falls.
  • When your toddler is using a bottle or sippy cup, have him or her stay seated. Don't allow your child to walk or run with any objects in his or her mouth.
  • Never leave a baby unattended in high places, such as on a tabletop, in a crib with the sides down, or even on a bed or sofa.
  • Do not leave a baby unattended in any infant seat or "sitting" toy, such as a swing, walker, saucer, or jumper. Use all the safety straps provided.
  • Be gentle when placing a bottle or spoon in a baby's or child's mouth. An object that is jammed into the mouth can tear the skin between the lips and gums or under the tongue (frenulum).
  • If your child has protruding teeth, have them examined by a dentist. Protruding teeth are more likely to be injured.