Yes, a black tooth is often a sign that the tooth is dying or has already died. The discoloration, described in the reference, happens as the tooth decays and the nerve dies. The reference also points out that a dying tooth may appear yellow, light brown, gray, or even black. Here's a closer look:
Tooth Discoloration and Death
A tooth changes color as its internal structure deteriorates. Initially, a tooth might turn yellow, light brown, or gray, but as the decay and nerve death progresses, it can become black.
- Initial Discoloration: Yellow, light brown, or gray hues appear as the internal tissues are affected.
- Progression to Black: The tooth darkens to black due to further breakdown and the death of the nerve within the tooth.
- "Bruised" Appearance: The tooth might look bruised initially before turning black.
Other Symptoms
In addition to discoloration, a dying tooth may also have:
- Pain: Although the pain may not always be present, it's a possible symptom. As the nerve dies the pain may also reduce.
Why Does This Happen?
When the nerve inside a tooth is compromised, the tooth is no longer living. Blood circulation ceases, and the organic material begins to decay, which in turn causes discoloration, and eventually, the tooth turning black.
| Tooth Condition | Possible Color | Nerve Status | Pain Level |
|---|---|---|---|
| Dying Tooth | Yellow, Light Brown, Gray | Compromised | Can be present |
| Dead Tooth | Black | Dead | Often reduced |
What To Do
- See a dentist: If you notice a black tooth or a tooth that's changing color, consult your dentist immediately. They can determine if the tooth can be saved through a root canal or if it needs to be extracted.
- Don't Ignore it: Even if the pain subsides, don’t ignore a tooth that changes color. This is a sign something is wrong.
