Is it normal for gums of extraction site to be black?

No, it is not normal for the gums of an extraction site to be black. Black gums may indicate several potential issues, including:

1. Dry Socket: After a tooth extraction, a blood clot forms in the empty socket to protect the underlying bone and promote healing. If this blood clot is dislodged or dissolved too soon, it can expose the bone to bacteria and debris, leading to a condition known as "dry socket." Dry sockets can cause severe pain, inflammation, and black gums.

2. Infection: Bacterial infections can occur at the extraction site if proper oral hygiene is not maintained or if the surgical area is compromised. Infected gums may appear black or discolored, along with other symptoms such as swelling, pain, and fever.

3. Medication Side Effects: Some medications, especially those that contain bismuth (e.g., Pepto-Bismol), can cause temporary black discoloration of the gums, tongue, and stool. This effect is usually harmless and typically resolves once the medication is discontinued.

4. Pigmentation: In rare cases, individuals with naturally dark skin or those with certain health conditions may experience hyperpigmentation of the gums, resulting in a darker appearance, including black. This type of pigmentation is usually not a cause for concern unless it is associated with other symptoms.

If you notice that the gums at the extraction site have turned black, it is essential to consult with a dentist or oral surgeon as soon as possible. This will allow for prompt diagnosis and appropriate treatment, which may involve pain management, antibiotics, or other interventions depending on the underlying cause.