16916 Dental Injuries

Overview

Dental injuries are any harm to your teeth, gums, or mouth. They include chipped, cracked, or knocked-out teeth, as well as teeth that are pushed out of place. These injuries can happen from falls, sports, accidents, or biting down on something hard.

Yes, dental injuries are very common, especially in children and young adults. Studies show that about one in five people will experience some form of dental trauma during their lifetime.

Dental injuries can affect anyone, but they are most common in children, teenagers, and adults who play contact sports. People with existing tooth decay or weakened teeth are also at higher risk.

Symptoms

Common symptoms

• Pain or tenderness in the tooth or surrounding gum
• Sensitivity to hot or cold food and drinks
• Visible damage, such as a chip, crack, or missing piece
• Swelling or bruising of the gums, lips, or cheeks
• Bleeding from the mouth

Symptoms in children

• Crying or fussiness due to mouth pain
• Refusing to eat or drink
• A loose or displaced baby tooth
• Swollen or bleeding gums
• Parents may notice a change in how the child bites or speaks

Symptoms in older adults

• Cracked or broken teeth due to weakened enamel or natural wear
• Pain when chewing or biting
• Damage to dentures, bridges, or implants
• Dry mouth, which can make teeth more brittle
• Gum swelling where a tooth has been injured

Causes

Main causes

• Falls, especially in children and older adults
• Sports injuries, particularly in contact sports like football, hockey, or boxing
• Car accidents or other impacts to the face
• Biting down on hard items like ice, hard candy, or unpopped popcorn kernels
• Physical altercations or blows to the mouth

Risk factors

• Playing contact sports without a mouthguard
• Having existing tooth decay or weak enamel
• Poor coordination or balance, as in young children or older adults
• Engaging in high-risk activities like skateboarding or cycling without facial protection
• Having dental work like crowns or veneers, which can chip or break

When to see a doctor

See a doctor urgently if:

• If you have completely knocked out a permanent tooth, seek emergency dental care within 30 minutes to have the best chance of saving it.
• If you have a broken jaw or severe facial trauma, go to a hospital emergency room immediately.
• If you have severe bleeding that does not stop after 10 minutes of firm pressure, call your local emergency number.

Book a routine appointment if:

• If you have a small chip or crack with no pain, schedule a dental appointment within a few days.
• If your tooth feels loose but is still in place, see a dentist as soon as possible, usually within 24 hours.
• If a filling or crown has fallen out, contact your dentist for an appointment.

Diagnosis

A dentist will ask how the injury happened, examine your mouth, teeth, and gums, and may take X-rays to look for damage below the gumline or in the jaw.

Tests that may be done

• Visual exam of the teeth, gums, and mouth
• X-rays (radiographs) to check for root fractures or jaw damage
• Percussion test, where the tooth is gently tapped to assess nerve damage
• Checking how the teeth bite together to see if the alignment has changed

What to expect at your appointment

The exam is quick and usually painless. The dentist may gently test whether your tooth is sensitive to cold or pressure. They will explain any damage they find and recommend the best treatment, which may range from simple smoothing to a root canal.

Treatment

Treatment for dental injuries depends on the type and severity of the damage. The main goals are to relieve pain, preserve or restore the tooth, and prevent infection or long-term damage. Always consult a dentist as soon as possible after an injury.

Self-care at home

• Rinse your mouth gently with warm water to clean the area.
• Apply a cold compress on the outside of your mouth or cheek for 10–15 minutes at a time to reduce swelling.
• If a tooth is knocked out, pick it up by the crown (the white part), not the root. Gently rinse it if dirty, and place it back in the socket if possible. If not, keep it in a container of milk or saliva and go to a dentist immediately.
• Take over-the-counter pain relief as recommended by your pharmacist or doctor, but do not take aspirin if you are under 16 years old.
• Avoid touching the root of a knocked-out tooth, and do not scrub it or store it in water.

Medical treatments

For chips and cracks, a dentist may use dental bonding, a filling, or a crown to repair the tooth. If the nerve is damaged or exposed, a root canal may be needed to remove the damaged tissue and protect the tooth. For a knocked-out tooth, the dentist may re-implant it and splint it to nearby teeth. Loose teeth may be stabilised with a splint. In cases of trauma to the gums or jaw, sutures or other procedures may be necessary. Always follow the treatment plan recommended by your dental professional.

When is surgery considered?

Surgery may be needed for severe fractures where the root is split, for a tooth that cannot be re-implanted and must be extracted, or if the jaw bone is fractured. Dental implant surgery might also be considered for a tooth that cannot be saved.

Living with this condition

After treatment, follow your dentist's instructions carefully. Keep the injured area clean by brushing gently and using a soft toothbrush. Avoid putting pressure on the affected tooth, and attend any follow-up appointments as scheduled.

Lifestyle tips

• Wear a mouthguard during contact sports or any high-risk physical activity.
• Avoid chewing on ice, hard candies, or other hard objects.
• If you grind your teeth at night, ask your dentist about a mouth guard.
• Maintain good oral hygiene by brushing twice a day and flossing daily.

Diet and exercise

During healing, eat soft foods like yoghurt, soup, mashed potatoes, and smoothies. Avoid very hot, cold, or sticky foods that may cause sensitivity or discomfort. You can gradually return to your normal diet as healing progresses, but always listen to your dentist's advice. Physical activity is usually fine, but avoid contact sports or strenuous exercise until your dentist says it is safe.

Mental health and emotional wellbeing

It is normal to feel stressed, embarrassed, or anxious after a dental injury, especially if it affects your smile. Talk to your dentist about your concerns — they can recommend cosmetic options if needed. Remember that most dental injuries heal well and modern dentistry offers many ways to restore your smile.

Prevention

Many dental injuries can be prevented by taking a few simple precautions. Wearing a well-fitted mouthguard during sports, using seatbelts in cars, childproofing your home to prevent falls, and avoiding hard foods can significantly reduce your risk.

Complications

If left untreated

• Infection that can spread to the tooth root or jaw
• Tooth loss, if a damaged or re-implanted tooth does not heal
• Misalignment of teeth, which can affect your bite
• Long-term nerve damage, leading to discolouration or chronic pain

Long-term outlook

With prompt and proper care, the outlook for dental injuries is very positive. Many teeth can be fully restored, and even serious injuries can be managed successfully. Taking action quickly and following your dentist's advice gives you the best chance for a full recovery.

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