Some teeth are easy to extract. Your dentist just wiggles them, pulls them out, and you're done. But some teeth are stuck or impacted or have roots in weird places, and those need surgery.
That's when you get referred to an oral surgeon. Understanding what makes an extraction complex helps you know what to expect.
Simple Versus Complex Extractions
A simple extraction is one where you can see the whole tooth above the gum line, it has straight roots, the bone is loose, and nothing vital is nearby. Your regular dentist can do these in the office with just local anesthetic.
A complex extraction involves teeth that are stuck under the bone (impacted), have curved or branching roots, or are dangerously close to important structures like nerves or sinuses. These need surgery, proper planning, and often a specialist.
Impacted Teeth: Mostly Wisdom Teeth
Wisdom teeth are impacted in about 35% of people. An impacted tooth is one that's stuck—it's trying to come in but can't because there's no room or it's at a weird angle. Impacted wisdom teeth need to be removed if they cause infection, if you have cysts, or if they're needed for orthodontics. Some dentists say to remove them even if they're not bothering you (preventively), but that's controversial.
Sometimes other teeth get impacted too. If a canine (eyetooth) is impacted, your orthodontist might try to expose it and move it into place with braces instead of extracting it—that preserves your tooth.
The Surgery
If your extraction is complex, the surgeon will make an incision in your gum, move the gum back to see the bone, and carefully remove bone to access the tooth. They might break the tooth into pieces and remove each piece separately—this is way gentler than trying to yank the whole thing out. They use a water-cooled drill (the water prevents overheating the bone) and carefully work around anything important, like nerves.
After they remove the tooth, they might need to take more X-rays to make sure no small pieces of root are left behind. Small fragments (less than 3 mm) usually aren't a problem and don't need to be dug out. Bigger ones should be removed.
The Nerve Problem
There's an important nerve (the inferior alveolar nerve) that runs through your lower jawbone and gives sensation to your lower teeth and chin. If your impacted tooth is sitting right on top of this nerve, there's a small risk the surgery could damage it.
This damage is usually temporary (you have altered sensation for a few months) but can occasionally be permanent. Your surgeon will take special 3D imaging if your tooth is close to the nerve and will talk to you about the risk before surgery. The risk is small—only 10-15% of impacted wisdom teeth surgeries result in temporary numbness, and permanent numbness is even rarer (1-2%).
The Sinus Problem
Your upper back teeth have roots that go really close to your sinuses. When you extract one, there's a small chance you create an opening between your mouth and your sinus. Usually these close on their own within a few weeks. If it stays open, your surgeon will use a graft or move tissue to close it. You'll need to avoid blowing your nose hard for a couple weeks.
The Anesthesia Question
For simple extractions, local anesthetic (like at the dentist) is enough. For complex extractions, you might want sedation or general anesthesia—especially if you're anxious or the procedure is complicated. Sedation means you're relaxed and barely remember it. General anesthesia means you're asleep.
Your surgeon will talk to you about what makes sense based on your health and the complexity of your case.
What Hurts After
Pain is worst for the first 2 days and usually gone in a week. Take ibuprofen (400-600 mg) every 4-6 hours—it works better than just taking it when pain is bad. If the pain is severe, you might get prescription pain medication, but it's only for a few days because addiction risk is real.
Something called "dry socket" (alveolar osteitis) happens in about 5-20% of wisdom tooth removals. If you get it, the socket doesn't form a proper blood clot and the bone is exposed. This is super painful starting around day 3. Your surgeon can fix it by cleaning it and putting a dressing in it. Smoking makes dry socket way more likely, so don't smoke for at least a week.
You'll swell up for the first 2 days, then gradually improve over a week. Ice for the first 24 hours (15 minutes on, 15 minutes off) helps swelling. No intense exercise for a week, and soft foods only.
Serious bleeding is rare but possible. If blood is pouring out and doesn't stop with pressure, call your surgeon.
Infection happens in about 2-5% of extractions. Signs are fever, increasing pain, swelling days after surgery, or pus. If this happens, you need antibiotics and possibly another visit to clean the socket.
What Stays Behind
Sometimes a small fragment of root breaks off and stays in your jaw. If it's tiny (less than 3 mm) and not bothering you, it's usually fine to leave it. If it's bigger or it's causing symptoms, you'll need surgery to remove it.
Numbness After Surgery
If your tooth was sitting on your nerve, you might wake up with a numb chin or numb lower teeth. This is temporary in most cases—feeling usually comes back over a few weeks or months. In rare cases, it's permanent. Your surgeon will want to document your baseline sensation before surgery and check on you after to track improvement. If you still have numbness after 3-6 months, you need to see a neurologist.
Setting Up for Success
Before surgery, tell your surgeon about your health conditions and medications. Certain medications increase bleeding risk. If you have diabetes or take antibiotics, they need to know. After surgery, follow instructions carefully: no straws (suction can disturb the socket), soft foods, no intense activity, no smoking. If something feels wrong—excessive bleeding, signs of infection, or unusual pain—call your surgeon immediately.
Extractions, even complex ones, are very routine. Complications are uncommon, and most people recover without problems. Understanding what's happening helps you know what to expect and how to take care of yourself afterward.
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Related reading: Understanding Surgical Margins in Oral Surgery and Velopharyngeal Insufficiency, Cleft Palate, and Speech.
Conclusion
Extractions, even complex ones, are very routine. Complications are uncommon, and most people recover without problems. Talk to your dentist about how this applies to your situation. Your dentist just wiggles them, pulls them out, and you're done.
> Key Takeaway: Some teeth are easy to extract. Your dentist just wiggles them, pulls them out, and you're done.