Dealing with a Lost Crown After Root Canal Treatment: What to Do? - Dentistry

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A few years after root canal treatment, the crown came off?


Hello, Doctor.
I would like to ask about my dental crown that I had placed after a root canal treatment a few years ago.
It suddenly fell off today, leaving a large cavity.
Since I am currently abroad and unable to seek immediate dental care, I won't be able to return to Taiwan for two months.
What should I do in the meantime? If I try to maintain cleanliness, can I avoid infection and inflammation? Earlier, while brushing my teeth to clean the gap, I accidentally caused some bleeding, but it has stopped now.
How can I prevent the situation from worsening? If extraction becomes necessary, will I need to get an implant to maintain proper occlusion? How long would that treatment take? Thank you!

Toby, 30~39 year old female. Ask Date: 2016/06/21

Dr. Lin Jiayong reply Dentistry


Hello, please start by eating soft foods (avoid anything harder than an apple) and maintain oral hygiene.
You may use an electric toothbrush and mouthwash (do not scrub the affected tooth vigorously).
Please seek dental treatment as soon as you return to Taiwan.
Thank you.

Reply Date: 2016/06/21

More Info


Dealing with a lost crown after root canal treatment can be a concerning situation, especially when you're away from your regular dentist and unable to seek immediate care. Here’s a comprehensive guide on how to manage this issue until you can return to your home country for treatment.

First and foremost, maintaining oral hygiene is crucial. Since you have a large opening where the crown used to be, food particles and bacteria can easily accumulate, increasing the risk of infection. Here are some steps you can take to keep the area clean:
1. Gentle Cleaning: Continue to brush your teeth, but be very gentle around the affected area. Use a soft-bristled toothbrush to avoid irritating the gums. You might also consider using an electric toothbrush, as they can be more effective at cleaning without requiring much pressure.

2. Rinse with Antiseptic Mouthwash: Using an antiseptic mouthwash can help reduce bacteria in your mouth. Look for a mouthwash that contains chlorhexidine or another antibacterial agent. Avoid alcohol-based mouthwashes, as they can irritate the gums.

3. Avoid Hard Foods: Stick to a diet of soft foods to minimize the risk of further damaging the tooth or causing pain. Foods like yogurt, mashed potatoes, and smoothies are good options. Avoid anything hard or crunchy that could put pressure on the exposed tooth.

4. Pain Management: If you experience discomfort, over-the-counter pain relievers like ibuprofen or acetaminophen can help manage pain and reduce inflammation. However, be sure to follow the recommended dosages.

5. Monitor for Signs of Infection: Keep an eye out for any signs of infection, such as increased swelling, pus, or persistent pain. If you notice these symptoms, it may indicate that you need to seek dental care sooner than planned.

6. Avoid Touching the Area: Try not to poke or prod at the exposed tooth with your fingers or tongue, as this can introduce bacteria and lead to further complications.

Regarding your concern about the potential need for extraction and subsequent implant placement, it’s important to understand that while losing a crown can lead to complications, it does not always mean extraction is necessary. If the tooth structure is still intact and there is no significant decay or damage to the root, it may be possible to re-crown the tooth once you return to your dentist.

If extraction becomes necessary, dental implants are often recommended to restore function and aesthetics. The process of getting an implant typically involves several steps:
1. Consultation and Planning: Your dentist will assess the site and determine if you have enough bone density to support an implant. If not, bone grafting may be required.

2. Implant Placement: The implant is surgically placed into the jawbone. This procedure usually takes about an hour.

3. Healing Period: After placement, there is a healing period of several months during which the implant fuses with the bone (osseointegration).

4. Crown Placement: Once healed, a crown is placed on the implant.

The entire process can take anywhere from a few months to over a year, depending on individual circumstances and healing times.

In summary, while losing a crown after root canal treatment can be distressing, you can take steps to manage the situation until you can see a dentist. Maintain good oral hygiene, avoid hard foods, and monitor for any signs of infection. If extraction becomes necessary, dental implants are a viable option for restoring your bite and smile. Remember to consult with your dentist upon your return for a thorough evaluation and treatment plan tailored to your needs.

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