A sports-related dental injury can go from bad to fine — or bad to permanent — depending on what you do in the first half-hour. Whether it’s a knocked-out tooth on the soccer field or a cracked molar from a collision at the basketball hoop, the right response in those first minutes genuinely changes the outcome.
- A knocked-out permanent tooth can often be saved if you act within 30–60 minutes — time is everything.
- Store a displaced tooth in milk or between your cheek and gum, never in tap water or dry in a tissue.
- Chipped, cracked, and knocked-loose teeth all need same-day professional evaluation, even if they feel okay.
- A properly fitted mouthguard is the single most effective piece of gear for preventing facial and dental injuries in contact sports.
- Custom mouthguards made by a dental team offer significantly better fit and protection than stock versions from a sporting goods store.
How Common Are Sports Dental Injuries, Really?
More common than most athletes — or parents — expect. The American Dental Association estimates that approximately 5 million teeth are knocked out every year in the United States, with a significant share happening during recreational and competitive sports. Research published in dental literature puts the lifetime risk of dental trauma among athletes who play contact sports without a mouthguard at well above 30 percent.
Back-to-school season in the South San Francisco and San Bruno area means fall sports rosters are filling up fast: football, soccer, volleyball, water polo, field hockey, martial arts. That’s a lot of faces moving at speed. Knowing what to do before an injury happens is the kind of preparation that can actually save a tooth.
What Are the Most Common Types of Sports Dental Injuries?
Not all dental trauma is the same, and the right first response depends on exactly what happened.
- Knocked-out tooth (avulsion): The whole tooth, root and all, leaves the socket. This is the most urgent dental emergency there is.
- Displaced tooth (luxation): The tooth is still in place but has been pushed sideways, forward, backward, or deeper into the socket. It may look crooked or feel loose.
- Chipped or fractured tooth: A piece of enamel or enamel-and-dentin breaks off. Small chips may feel sharp but be painless; deeper fractures involving the pulp can cause significant pain and sensitivity.
- Cracked tooth: A crack runs vertically through the tooth. These are tricky because they can be invisible on X-ray and still cause nerve damage if ignored.
- Soft tissue injury: Cuts to the lip, tongue, or cheek often accompany dental trauma. They bleed dramatically but are usually less urgent than the tooth itself.
- Jaw injury: Pain when biting, inability to open or close fully, or visible misalignment may point to a jaw fracture — go to an emergency room immediately if you suspect this.
What Should You Do If a Tooth Gets Knocked Out?
This is the scenario where the clock runs fastest. Here is exactly what to do, step by step.
- Pick up the tooth by the crown, not the root. The root surface contains ligament cells that reattach to the socket — touching it damages those cells and reduces the chance of successful reimplantation.
- Rinse gently if it’s dirty. Hold it under cool water for no more than 10 seconds. Do not scrub it, do not use soap, do not dry it with a towel.
- Try to reinsert it immediately if the person is conscious and not at risk of swallowing it. Guide the tooth back into the socket and have the person bite gently on a clean cloth to hold it in place. This is still the best possible storage environment.
- If you can’t reinsert it, store it in milk. Whole cow’s milk is the standard recommended transport medium. No milk? Saline solution works. No saline? The person can carry the tooth in the pocket between their cheek and lower gum. Never store a tooth in tap water — the osmotic difference damages the root cells quickly.
- Call a dentist immediately and head there or to an emergency room. Reimplantation success rates drop sharply after 30 minutes out of the socket. After 60 minutes dry, the odds of the tooth surviving long-term fall significantly. Speed is genuinely the treatment here.
Important note: these steps apply to permanent teeth only. A knocked-out baby tooth should NOT be reimplanted — the developing permanent tooth underneath can be damaged. Still call a dentist to confirm and check for other injuries.
What About a Chipped, Cracked, or Loose Tooth?
These injuries feel less dramatic than a tooth on the ground, but they still need same-day care. Here’s why.
A chipped tooth that exposes the inner dentin layer is uncomfortable and vulnerable to bacteria. If the pulp (the nerve) is exposed, a root canal may be needed. Even a small chip that feels pain-free should be evaluated the same day — a dental team can bond the chip back or smooth the edge to prevent further fracture.
A loose tooth after a blow means the supporting ligament and bone may be injured. Left alone, a loose tooth can shift, die, or create bite problems. It needs to be assessed and possibly splinted to a neighboring tooth while healing.
A crack is the sneakiest injury of the group. It may not show on a routine X-ray — which is one reason our office uses digital dental X-rays in South San Francisco along with Pearl AI, our FDA-cleared artificial intelligence system that reviews X-ray images to help catch findings that are easy to miss on visual inspection alone. The sooner a crack is found, the better the options for saving the tooth.
The honest answer for any dental trauma: call us, describe what happened, and let the dental team help you decide how fast to come in. When in doubt, same day is always the right call.
What Happens at the Dental Office After a Sports Injury?
When you come in for sports-related dental trauma, here is what to expect.
The dentist will take a full history of the injury, then do a clinical exam of the teeth and soft tissues. X-rays are standard — they show root fractures, bone damage, and the position of displaced teeth that can’t be seen with the naked eye. If your situation involves an avulsed (knocked-out) tooth that you’ve brought in properly stored, the dentist will try reimplantation and may place a flexible splint to stabilize it while the socket heals.
For chips and fractures, options include dental bonding (quick, conservative, great for minor chips), a dental crown for more significant breaks, or a root canal if the nerve is involved. At Vaksman Dental Group, our CEREC system allows us to design and mill a ceramic crown in-office during a single visit — so in many cases you leave with the permanent restoration the same day, no temporaries and no second appointment.
A tooth that was knocked loose or displaced may need monitoring over several weeks; sometimes the nerve heals on its own, and sometimes root canal therapy becomes necessary a few weeks later when symptoms develop. That’s normal and expected — it doesn’t mean the initial treatment failed.
How Do You Prevent Sports Dental Injuries?
The good news: most sports dental injuries are preventable. The tool is simple and it works.
Wear a mouthguard. The ADA recommends mouthguards for any activity that involves contact, falls, or flying equipment — football, soccer, basketball, hockey, gymnastics, skateboarding, martial arts, wrestling, and more. Studies consistently find that mouthguard use dramatically reduces dental injuries; one frequently cited estimate puts the risk reduction at around 60 times lower when a properly fitted guard is worn.
There are three types:
- Stock guards (pre-formed, off the shelf): inexpensive but bulky, hard to breathe through, and provide the least protection because they don’t fit the individual’s teeth.
- Boil-and-bite guards (available at sporting goods stores): better than stock, still not precise.
- Custom-fitted guards (made from an impression of your teeth by a dental team): the most comfortable, the thinnest, and the best protection. They stay in place without being clenched, which also means it’s easier to breathe and communicate on the field.
We can make a custom dental mouth guard for athletes of any age at our South San Francisco office — kids heading into fall sports, adults in recreational leagues, and anyone whose sport involves any physical contact at all. It takes one appointment and the fit difference is noticeable immediately.
Beyond mouthguards: helmets with face shields for hockey and football, face guards for youth baseball and softball, and a general policy that any blow to the face gets evaluated by a dental professional before the athlete goes back to full play are all worth building into the team culture.
What About Injuries to Baby Teeth — Should Parents Worry?
Yes, but differently than with permanent teeth. As mentioned above, a knocked-out baby tooth should not be reimplanted. But a hard blow to a baby tooth can still affect the permanent tooth developing underneath, and it’s worth having a dentist evaluate the area even if the baby tooth looks fine afterward. Discoloration of a baby tooth weeks after an injury (it may turn grayish or pinkish) is a sign the nerve has been affected and should be checked.
Younger children are also at high risk for dental injuries from falls, collisions with furniture, and playground tumbles — sports gear aside. The same first-aid principles apply.
Frequently Asked Questions About Sports Dental Injuries
Can a knocked-out tooth really be saved?
Yes, often — with the right response and fast action. The key factors are how quickly the tooth is reimplanted or brought to a dentist (within 30 minutes is ideal), how it was stored in the meantime (milk is best), and whether the root surface was kept moist and undamaged. Reimplantation is not guaranteed to succeed long-term, but prompt, proper care gives the tooth the best possible chance.
My tooth doesn’t hurt after the hit. Do I still need to see a dentist?
Yes. Pain is not a reliable indicator of injury severity with dental trauma. A cracked tooth may feel fine for days or weeks before the nerve becomes inflamed. A displaced root can develop problems without any immediate pain. A same-day exam gives the dental team a baseline and catches hidden damage early, when the options are still good.
How much does emergency dental care for a sports injury typically cost?
It varies depending on the injury and the treatment needed. A dental exam and X-rays for evaluation are the starting point. Bonding a small chip is generally one of the more affordable repairs. A crown, root canal, or implant (if a tooth ultimately cannot be saved) runs higher. These are national ballpark ranges — not our office’s prices. Many dental insurance plans cover emergency visits and a portion of restorative treatment; contact your carrier for specifics, and our team can help you work through coverage questions when you call.
At what age should kids start wearing mouthguards for sports?
As soon as they start any contact or collision activity — which for many kids is as early as five or six years old. The ADA recommends mouthguards for children and adults alike in relevant sports. Custom-fitted guards can be made for children, though they may need to be replaced more frequently as the child’s mouth grows. Even a well-fitting boil-and-bite is better than nothing while a custom one is being made.
Have a dental injury or want to get a custom mouthguard before the season starts?
Our team at Vaksman Dental Group is ready to help — same-day appointments are available for emergencies.
Written by the Vaksman Dental Group team and medically reviewed by Dr. Irena Vaksman, DDS — South San Francisco. Last reviewed August 2026.