After tooth extraction, you need to have a careful hygiene and care regimen to avoid infection and heal quickly. At this time, many people discover that a white membrane appears at the location of the newly extracted tooth. This sign can be a good omen but can also be a bad omen that affects oral health. So is white membrane after tooth extraction dangerous? Let’s find out with My Auris through the following article.
The causes of white film appearing after tooth extraction
After tooth extraction, there are many In cases where a white film appears at the site of a newly extracted tooth. The cause of this white film is mostly not harmful, but sometimes it also affects oral health. The specific causes are as follows:
Formation of granulation tissue
The human body has a natural process of healing wounds anywhere on the body. And the same goes for the wound after tooth extraction. At that time, the tooth socket will form a blood clot to help stop bleeding. When a blood clot appears, the body will form granulation tissue to cover the wound. These granulation tissues are creamy white and consist of collagen, blood vessels and white blood cells. Granulation tissue forms a white film covering the wound to protect it from infection.
Due to missing hemostatic cotton
After tooth extraction, the doctor places hemostatic cotton on the wound site to help control the amount of blood flow. These cotton balls are white and quite small in size, so they are easy to leave behind when removed from the oral cavity. Some cotton fibers still stick to the tooth socket, causing many people to mistakenly think it is white membrane.
These cotton particles can be washed away when rinsing the mouth. Or if the doctor uses self-absorbing bandages, they will disappear after a while and you don’t need to worry too much.

Due to dry socket
Dry socket is not a rare condition after tooth extraction. This condition occurs when the tooth socket does not form a blood clot or the blood clot formation process is affected or the blood clot ruptures.
Dry socket leads to the formation of a white film and is accompanied by symptoms such as prolonged pain, pain from the socket to the ears, eyes, temples, mouth, unpleasant odor, etc. This is a case that needs to be monitored and immediately go to a dentist to be fixed as soon as possible.
Leftover food
After eating and drinking, if oral hygiene is not done properly, leftover food plaque can get stuck in the tooth socket, causing white film to appear after tooth extraction. These plaques affect the process of blood clot formation and normal healing. Therefore, after tooth extraction, you need to pay attention to oral hygiene to remove plaque and harmful bacteria that accumulate.
Plaque forms
On the gums at the location of the newly extracted tooth, white patches may appear due to plaque and bacteria accumulation. After tooth extraction, the wound has not healed yet, so many people are afraid of pain and effects, so they do not dare to clean it. Therefore, plaque accumulates around the gums, causing a white film to appear.

Due to infection
Infection is the most dangerous problem to pay attention to after extraction teeth. Therefore, you need to monitor signs and oral health to handle situations promptly. Besides the white film after tooth extraction, some other signs help you identify an infected wound:
- Swelling and pain lasting 2-3 days after tooth extraction
- Severe pain at the tooth socket and pain spreading to other areas for a long time.
- There is white or yellow pus in the tooth socket
- Mouth has an unpleasant odor
- No bleeding within 24 hours
- Can cause fever
Is white film after tooth extraction dangerous?
As the 6 reasons have been analyzed, the white membrane after tooth extraction is not too dangerous if it is not accompanied by signs of infection. According to doctors, the white membrane after tooth extraction is a good sign that it is protecting the wound and promoting rapid healing.
Here are some benefits when white film appears after tooth extraction:
- The appearance of a white membrane is a sign that the wound is gradually healing well.
- Within 12-24 hours after tooth extraction, the tooth socket forms blood clots, and blood vessels become attached.n clumping together and forming a white film. The white membrane is responsible for protecting the wound from the attack of harmful bacteria in the oral cavity.

And you can be completely assured that the white membrane will disappear when the wound at the tooth extraction site gradually forms new skin and the new jawbone will be regenerated.
How to care for wounds after tooth extraction
For the healing process to proceed quickly as well as limit complications after tooth extraction, you need to pay attention from daily living, oral hygiene to diet. Specifically as follows:
Notes on activities after tooth extraction
- Bite firmly on cotton balls or gauze for 30 minutes to help stop bleeding. Blood may still leak for several hours after tooth extraction, you need to change a new bandage about every 30-45 minutes.
- Do not push your tongue or touch your hands or put foreign objects into the wound.
- Do not spit, suck on a straw, or hiss strongly after at least 6 hours of tooth extraction.
- do not gargle with salt water for at least 6 hours after tooth extraction
- Do not smoke, drink alcohol, or use stimulants for at least 48 hours after tooth extraction
- Take pain relievers, reduce inflammation and swelling as prescribed by your doctor
- Rest within 24 hours after tooth extraction, avoid strenuous activities, playing sports, heavy work such as lifting things
- When lying down, raise your head with a pillow to reduce pain and control bleeding in the wound.
- Re-examine on time so the doctor can check the healing process

Oral hygiene mode
- Regularly brush your teeth twice a day as usual. Be sure to change to a soft-bristled, moderate-sized toothbrush and avoid touching the wound.
- Follow teeth brushing technique properly and gently
- In wound areas that are difficult to brush your teeth, use dental floss, mouthwash or salt water to remove plaque, food particles,…
- Avoid using a water flosser on the newly extracted tooth site

Diet
- During the first 2 hours after tooth extraction, you should not eat or drink anything. If your mouth is dry, you need to gently sip filtered water.
- After that, you prioritize eating soft, liquid foods, limiting chewing too much such as porridge, soup, milk, stew, noodle soup, pasta,…
- After 1 week, you can eat soft foods, cut food into small pieces and avoid chewing too much at the tooth extraction site
- Supplement a variety of foods with enough nutrients to increase resistance, fight infections and promote healing.
- Do not eat hard, chewy foods, spicy foods, too hot or too cold, foods high in sugar, crunchy foods with lots of crumbs. Because these foods are difficult to clean, irritate wounds and increase the possibility of infection.

The above are shared about white membrane after tooth extraction, hope you will add more useful knowledge. Importantly, choose a reputable dental facility that ensures the doctor’s skills, machinery and equipment in examination and tooth extraction. If you still have concerns, please contact My Auris dentistry immediately for advice and an appointment.Make an appointment to see a doctor as soon as possible.
Anh Thy


