Molar extraction is one of the most common dental procedures, and it follows a predictable process whether you’re having a visible molar pulled or an impacted wisdom tooth surgically removed. A simple molar extraction typically takes 20 to 30 minutes, while a surgical extraction can range from 45 minutes to over an hour depending on complexity. Here’s what actually happens before, during, and after the procedure.
Why Molars Need to Come Out
Molars are extracted when saving them is no longer practical or possible. The most common reason is extensive decay that has destroyed too much tooth structure for a filling or crown to work. Other situations include root fractures, infections at the root tip that don’t respond to treatment, and teeth that have become loose from advanced gum disease.
Wisdom teeth (third molars) are a special case. They’re often removed because they’re impacted, meaning they’re trapped beneath gum tissue or bone and can’t fully emerge. Even partially erupted wisdom teeth tend to trap bacteria and cause recurring infections. Your dentist may also recommend molar extraction to relieve crowding, correct bite problems, or address a tooth that has cracked vertically through the root.
Simple vs. Surgical Extraction
Which type of extraction you need depends entirely on what the dentist can see and access. A simple extraction is possible when the molar has fully erupted through the gum and the dentist can grip it with instruments. No incisions or bone removal are necessary. The dentist loosens the tooth by rocking it within the socket, widening the space in the bone, then lifts it out.
A surgical extraction is needed when gum tissue covers the tooth, when bone is blocking access, or when the tooth is broken at the gumline. The surgeon makes an incision in the gum to expose the tooth, and may need to remove a small amount of surrounding bone. In many cases, the tooth is divided into sections so each piece can be removed individually through a smaller opening. Stitches are usually placed afterward to help the gum heal cleanly.
What Happens With Anesthesia
Every molar extraction starts with numbing. A local anesthetic injection blocks pain signals in the specific area around the tooth. You’ll feel pressure during the procedure but no sharp pain. The numbness typically lasts two to four hours after the injection.
If you have significant anxiety or are facing a more involved surgical extraction, your dentist may offer sedation on top of the local anesthetic. The most common options are nitrous oxide (a gas you breathe through a nose mask that creates a calm, slightly euphoric feeling), oral sedation (a pill taken before the appointment), or intravenous sedation (medication delivered through an IV that puts you in a deeply relaxed, semi-conscious state). With IV sedation, most people have little to no memory of the procedure. Nitrous oxide wears off within minutes after the mask is removed, while oral and IV sedation require someone to drive you home.
The Extraction Itself
For a simple extraction, the dentist uses an elevator instrument to loosen the tooth from the ligament holding it in the socket, then grasps it with forceps and rocks it back and forth until the bone around the root expands enough to release it. You’ll feel significant pressure but it shouldn’t be painful. If it is, more anesthetic can be added immediately.
Surgical extractions follow the same basic principle but with additional steps. After the incision and any bone removal, the surgeon may use a drill to section the tooth into two or three pieces. Each root is then elevated and removed separately. This approach is especially common with lower wisdom teeth, where the roots often curve or sit close to the nerve that runs through the jawbone. The entire surgical site is then cleaned, irrigated, and stitched closed.
Recovery: Day by Day
Healing begins the moment the tooth is out. Blood fills the empty socket and forms a clot, which acts as a protective seal over the exposed bone and nerves. Protecting this clot is the single most important thing you can do during recovery.
On day one, you’ll bite on gauze for 30 to 45 minutes to control bleeding. Some oozing is normal for the rest of the day. Swelling peaks around days two and three, and ice packs applied in 20-minute intervals help keep it manageable. By days four and five, new tissue starts forming beneath the clot. Around the one-week mark, the gum begins shrinking inward and closing the socket. By week two, soft tissue fills in most of the opening and any lingering discomfort is minimal.
The surface heals in two to three weeks, but the bone underneath takes several months to fully rebuild and fill in the socket.
Eating and Mouth Care After Extraction
For the first 24 hours, stick to liquids and ultra-soft foods that require zero chewing: smoothies, yogurt, broth, applesauce, and meal-replacement shakes. Stay hydrated with water, milk, or herbal tea, but don’t use a straw. The suction can dislodge the blood clot. Avoid carbonated drinks and alcohol, both of which can irritate the socket and slow healing.
Over the next few days, you can gradually add soft foods like mashed potatoes, scrambled eggs, and pureed soups. Most people return to a fairly normal diet within a week, though you’ll want to keep crunchy or sharp foods (chips, nuts, toast) away from the extraction side for a bit longer.
Do not rinse your mouth for the first 24 hours. After that, gently rinse with warm salt water (one teaspoon of salt in a glass of warm water) twice a day for at least a week. This keeps the socket clean and supports healing. Brush your other teeth normally, but be careful around the extraction site.
Dry Socket and Other Complications
Dry socket is the complication people worry about most, and for good reason: it’s painful. It happens when the blood clot dissolves or gets dislodged before healing is complete, leaving the bone exposed. For routine extractions, dry socket occurs in about 1% to 5% of cases, though the rate is higher for lower wisdom teeth. Smoking is the biggest risk factor. If you develop a sudden increase in pain two to four days after extraction, along with a bad taste or visible empty socket, that’s the hallmark pattern.
Nerve injury is a less common but more concerning complication, primarily with lower molar and wisdom tooth extractions. The nerve that provides sensation to your lower lip, chin, and cheek runs through the jawbone close to the roots of lower molars. Damage to this nerve occurs in roughly 0.3% to 8% of lower wisdom tooth surgeries, depending on the tooth’s position. Symptoms include tingling, numbness, or a “pins and needles” sensation in the lip, chin, or gum tissue. Most nerve injuries resolve on their own within weeks to months, though in rare cases the changes are long-lasting.
Upper molar extractions carry a different risk: the roots of upper molars sit close to the sinus cavity. Occasionally, removing an upper molar creates a small opening between the mouth and the sinus. Your surgeon checks for this immediately and, if found, typically places a few extra stitches and gives you instructions to avoid blowing your nose or using straws while it seals.
Planning for Tooth Replacement
Once a molar is removed, the bone in that area begins to shrink over time because it no longer has a tooth root to maintain. If you’re considering a dental implant to replace the molar, your dentist may place a bone graft into the empty socket at the time of extraction. This is a small amount of bone material packed into the socket to preserve its volume and density.
If a bone graft is placed, timing matters. The graft needs several months to integrate, but once healed, you should ideally have the implant placed within six to twelve months. After that window, the grafted bone starts losing density again. Not everyone needs an implant after losing a molar, but if it’s something you might want in the future, discussing the bone graft option before extraction saves you a more complex procedure later.