Why Is My Tooth Turning Red After a Root Crack?

The tooth root is fractured, and the tooth has turned red?

Previously, I had a cracked tooth root, and the dentist said it could be saved, but I should avoid hard foods.
I have been very careful since then, but now the inside of the tooth appears light red.
Why is this happening? I don't want to have the tooth extracted because it's next to my front tooth...

Miss Lin, 10~19 year old female. Ask Date: 2016/02/20

Dr. Zeng Guanghui reply Dentistry

The tooth root is fractured.
Although it can be salvaged, the surrounding nerves may have been damaged during the impact, which can also affect the dental pulp, leading to internal tooth structure degeneration or pulp necrosis, resulting in a discoloration of the tooth.
It is recommended to consult a dentist for further evaluation to determine whether the tooth can be preserved or if root canal treatment is necessary.

Reply Date: 2016/02/20

More Info

When you notice a reddish discoloration in a tooth that has previously experienced a root crack, it can be concerning. This change in color may indicate several underlying issues that need to be addressed.
Firstly, the reddish hue you are observing could be a sign of pulpitis, which is inflammation of the dental pulp. The dental pulp is the innermost part of the tooth that contains nerves and blood vessels. When a tooth is cracked, it can expose the pulp to bacteria and irritants, leading to inflammation. This inflammation can cause the pulp to become engorged with blood, resulting in a reddish appearance. If left untreated, pulpitis can progress to irreversible pulpitis, which may lead to severe pain and the need for root canal therapy.

Another possibility is that the discoloration is due to internal bleeding within the tooth. A crack can create a pathway for blood vessels to rupture, leading to a localized hematoma, which can manifest as a red or darkened area within the tooth structure. This condition may not always be painful initially, but it can lead to further complications if not addressed.

Additionally, the presence of a crack can compromise the structural integrity of the tooth, making it more susceptible to further damage or infection. If the crack extends below the gum line, it can also lead to periodontal issues, which can cause inflammation and redness in the surrounding gum tissue.

Given your concern about not wanting to extract the tooth, it is essential to consult with your dentist for a thorough examination. They may recommend imaging studies, such as X-rays, to assess the extent of the crack and determine if there is any underlying infection or damage to the pulp. Depending on the findings, treatment options may include:
1. Root Canal Therapy: If the pulp is inflamed or infected, a root canal may be necessary to remove the damaged pulp and seal the tooth to prevent further infection.

2. Crown Placement: After a root canal, placing a crown on the tooth can provide structural support and protect it from further damage.

3. Monitoring: If the tooth is not causing significant pain and the crack is not severe, your dentist may suggest monitoring the tooth for any changes over time.

4. Avoiding Hard Foods: As you mentioned, avoiding hard foods is crucial to prevent exacerbating the crack.
5. Good Oral Hygiene: Maintaining excellent oral hygiene can help prevent infection and further complications.

In summary, the reddish discoloration of your tooth after a root crack could indicate pulpitis, internal bleeding, or other complications. It is vital to seek professional dental advice to determine the best course of action to preserve your tooth and prevent further issues. Regular check-ups and open communication with your dentist about any changes you notice will be key in managing your dental health effectively.

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