Can You Reattach a Broken Tooth?


A blog by Dr. Maz

Imagine you are biting into a hard piece of candy or playing your favorite sport, and suddenly, you hear an unsettling crunch. You spit out what is in your mouth, and to your absolute horror, a piece of your own tooth is sitting right in the palm of your hand. Panic instantly sets in. I completely understand how terrifying this feels! Your smile is a huge part of your identity, and seeing it damaged is a major shock.

But take a deep breath and try to relax. Today, I am here to share some highly reassuring and positive news about dental emergencies. Modern dentistry is nothing short of miraculous, and your beautiful smile is far from ruined.

The Big Question: Can You Reattach a Broken Tooth?

Many patients come to me in a state of absolute worry, asking the exact same question. I am always thrilled to deliver the good news: yes, in many cases, a dentist can completely reattach a broken tooth! If the piece that broke off is largely intact, relatively clean, and you act swiftly, your dentist can often bond your original natural tooth fragment right back into its proper place.

This process is highly preferred by dental professionals because keeping your natural tooth structure is always the ultimate goal. Natural enamel is stronger and blends better than any artificial material we can create. However, successfully reattaching the fragment depends heavily on exactly what you do in the moments immediately following the accident.

What to Do Immediately If Your Tooth Breaks

When you break a tooth, the clock starts ticking. The way you handle the situation—and the broken piece itself—will directly impact whether or not I can save it. If you ever find yourself in this situation, here is my step-by-step emergency guide to follow:

  • Stay Calm and Assess: Take a deep breath. Check your mouth for bleeding. If your lip or gum is bleeding, apply gentle pressure with a clean piece of gauze or a wet tea bag.
  • Locate the Fragment: Find the broken piece of your tooth. This is crucial! Be very careful not to step on it or accidentally swallow it.
  • Handle by the Crown Only: When you pick up the fragment, only touch the chewing surface (the crown). Do not touch the root or the exposed inner layers, as this can damage the delicate living cells needed for reattachment.
  • Rinse Gently: If the piece is dirty, rinse it very gently with milk or saline. Do not scrub it, do not use soap, and avoid using plain tap water if possible.
  • Store It Safely: Place the tooth fragment in a small container of cold whole milk, saline solution, or even your own saliva.
  • Call Your Dentist Immediately: Treat this as a true emergency. Call your dental office, explain that you have a broken tooth and have the fragment, and tell them you need to be seen right away.

For more comprehensive guidance on handling various oral injuries, I always highly recommend checking out the American Dental Association’s official guide on dental emergencies. It is a fantastic, high-authority resource that every household should bookmark.

The Science of Survival: Why We Use Milk

You might be wondering why I specifically suggested putting your broken tooth in milk rather than just a glass of water. It sounds like an old wives’ tale, but I assure you, it is pure science!

Tap water is hypotonic, meaning it lacks the natural minerals and salts found in your body’s cells. If you put a tooth fragment in tap water, the cells on the root surface will absorb the water, swell up, and burst, dying rapidly. Milk, on the other hand, has a neutral pH and the perfect balance of proteins, carbohydrates, and antibacterial properties. It essentially mimics the environment inside your mouth, keeping those essential cells alive and hydrated until you can get to the dental chair.

Fascinating Dental Data: The Scope of the Issue

If you have broken a tooth, you are certainly not alone. I see it all the time in my practice. In fact, here is our first interesting data point: According to the American Association of Endodontists, more than 5 million teeth are knocked out or fractured every single year in children and adults. Dental trauma is incredibly common, which means your dentist has plenty of experience fixing exactly this type of problem.

Time is of the Essence

While the fact that we can fix your tooth is incredibly positive, I must emphasize that time is your biggest enemy right now. The success of dental bonding relies on the fragment remaining vital (alive) and hydrated.

Here is our second crucial data point: Clinical studies demonstrate that if a patient receives emergency dental treatment within 30 to 60 minutes of the injury, the success rate for reattaching a natural tooth fragment is as high as 90%. However, if the tooth is left out and dries out for more than two hours, the success rate plummets to roughly 20%.

To help you visualize this crucial window of opportunity, I have put together a simple chart showing how quickly you need to act.

Success Rate of Tooth Fragment Reattachment Over Time

90%
75%
50%
20%

0 – 30 Mins
1 Hour
2 Hours
3+ Hours

How Your Dentist Will Fix It: The Reattachment Procedure

I know the dental chair can be intimidating, especially when you are already stressed from an accident. Let me put your mind at ease by walking you through exactly what I do when a patient brings in a broken tooth fragment. The procedure is incredibly safe, fast, and remarkably painless!

1. Numbing the Area

First and foremost, your comfort is my top priority. I will apply a gentle local anesthetic to numb the tooth and the surrounding gums. You might feel a tiny pinch, but after that, you will not feel any pain at all during the procedure.

2. Cleaning and Preparation

Once you are completely comfortable, I will thoroughly clean both the broken fragment you brought in and the remaining tooth in your mouth. We need to ensure there are no microscopic bacteria or debris caught in the fracture line. I will also assess the inner layers of the tooth (the dentin and pulp) to ensure the nerve hasn’t been severely damaged.

3. Etching the Surface

To ensure a super-strong bond, I apply a mild, slightly acidic etching gel to the fractured surfaces. This creates a microscopically rough surface on the enamel, which allows our dental glue to grip the tooth with incredible strength.

4. Applying the Bonding Resin

Next, I apply a tooth-colored liquid composite resin. Think of this as the ultimate, medically-safe superglue. It is painted onto both the fragment and the tooth in your mouth.

5. The Magic of the Curing Light

I will carefully place your tooth fragment back onto your tooth, perfectly lining up the edges like a jigsaw puzzle. Once it is flawlessly positioned, I use a special blue ultraviolet light. This light instantly hardens (or “cures”) the resin, cementing the piece securely into place in a matter of seconds.

6. Polishing to Perfection

Finally, I will smooth out the seams and polish the tooth. When I hand you the mirror, you will likely be amazed—the seam where the tooth broke is usually completely invisible! You will leave the office looking exactly like you did before the accident.

What If the Tooth Cannot Be Reattached?

Sometimes, despite our absolute best efforts, a tooth fragment is too shattered, lost entirely, or has dried out too much to be successfully reattached. If this happens to you, please do not panic! I want to assure you that modern cosmetic dentistry has a whole toolkit of beautiful, durable solutions to restore your smile seamlessly.

  • Dental Bonding: If you lost the piece or it shattered, I can use a putty-like composite resin to literally sculpt a brand new portion of your tooth. I will match the color perfectly to your natural enamel, cure it with the blue light, and polish it. It looks fantastic and takes only one visit.
  • Porcelain Veneers: If a front tooth suffers a significant break, a veneer is a stunning option. This is a custom-made, ultra-thin porcelain shell that covers the entire front surface of the tooth, making it look flawlessly whole again.
  • Dental Crowns: For a very severe break—especially on a molar used for heavy chewing—a crown is the best solution. We place a custom-designed porcelain “cap” over the entire damaged tooth, restoring its original strength and shape completely.
  • Root Canal Therapy: If the break was deep enough to expose the soft, sensitive pulp inside the tooth, I might need to perform a root canal before placing a crown. While they have a scary reputation, modern root canals feel very much like getting a standard filling, and they are brilliant at saving severely damaged teeth!

Frequently Asked Questions (FAQ)

In my experience, patients always have a lot of great questions when dealing with a broken tooth. Here are a few of the most common ones I hear in the office:

Does it hurt to reattach a broken tooth?

Not at all! Because we use local anesthesia to numb the area completely, the actual reattachment process is virtually painless. You may feel a little bit of sensitivity for a few days after the procedure as the tooth settles, but over-the-counter pain relievers easily manage this.

Can I just use superglue to fix it myself at home?

Absolutely not! Please never, ever put household glues in your mouth. Superglue is highly toxic, can cause serious chemical burns to your delicate gums, and will actually destroy the living cells in the tooth. Furthermore, when you use regular glue, you ruin the tooth’s surface, making it completely impossible for me to fix it properly with safe dental materials later.

How long will the reattached tooth last?

With proper care, a successfully reattached tooth fragment can last for many, many years—often decades! You will need to treat it well by brushing twice a day, flossing, and avoiding bad habits like chewing on ice, biting your fingernails, or using your teeth as tools to open packages.

Is it expensive to fix?

The cost varies depending on your specific situation and dental insurance. However, simple dental bonding and reattachment are generally among the most affordable restorative procedures we offer. It is almost always significantly less expensive than getting a veneer or a full dental crown.

Your Smile is Always in Good Hands

Experiencing a dental trauma is never a fun event, but I hope reading this has replaced your anxiety with confidence and optimism. Knowing that you can simply pick up a broken piece of your tooth and have a dentist seamlessly restore your smile is a wonderful testament to modern medicine.

Remember, the key to success lies entirely in your hands during those first few crucial minutes. Keep calm, keep the tooth fragment moist in milk, and get to my dental chair as swiftly as you can. By working together as a team, we can ensure that your bright, confident smile continues to shine for a lifetime!

Dr. Maz Ebrahimi
Endodontics · Beverly Hills
How can we help you smile?
310.248.3636
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9735 Wilshire Blvd, Suite #426
Beverly Hills, CA 90212