How long does wisdom teeth removal take under general anesthetic

Important

You need someone to go with you to your appointment and stay with you until the next day.

Please arrange for a responsible adult to come with you to the hospital and take you home after your treatment. They must be able to stay with you for at least 8 hours after you leave the hospital.

If you do not have someone with you, your dental surgery might be cancelled.

Do not bring children, or anyone you need to look after, with you to the hospital.

Eating and drinking before a general anaesthetic

Please follow these instructions before your surgery. If you do not, your surgery might be cancelled.

Morning appointment (8am)	Do not eat or drink after 2am. Most people do not have anything to eat after going to bed the night before.
Afternoon appointment (12.30pm)	Do not eat or drink after 7am on the morning of your surgery.

Do not eat or drink for 6 hours before your procedure. This includes sweets and chewing gum.

You can drink plain (not fizzy) water up to 2 hours before your surgery.

The morning of your surgery

Please do the following:

Smoking

Do not smoke for at least 24 hours before your dental surgery. Smoking makes your recovery after surgery slower.

If you would like help to stop smoking, please tell the dental team. The hospital has a no smoking policy and smoking is not allowed on our premises.

Find more help to quit smoking on the NHS website.

Medicines

Please bring all your medicines to the hospital with you. This includes prescription medicines, inhalers and any medicines that you buy from a pharmacy or shop (including alternative medicines, such as herbal remedies).

Take your usual medicines with a small sip of water on the day of your surgery, unless your doctor or nurse tells you otherwise.

Please also bring:

your GP’s name, address and postcode if you have moved to a new GP surgery since making your appointment
any mobility aids, such as a walking stick or walking frame (a zimmer frame)

At the hospital

When you arrive at the dental day surgery unit, a receptionist takes you to a room where you meet the team looking after you.

Meeting the team

A nurse takes your blood pressure and checks your pulse. They make sure that you are ready for treatment. We give you a surgical gown to wear over your clothes.

An anaesthetist meets you to talk about the general anaesthetic. This medicine makes you sleep during the surgery and stops you feeling any pain. A member of the dental team also talks to you about your surgery.

We estimate the time of your surgery after the team have met everyone who needs surgery in that session. The team tries to keep waiting times to a minimum, but it is not always possible to know how long your wait will be.

We want to involve you in decisions about your care and treatment. If you decide to have dental surgery under general anaesthetic, we ask you to sign a consent form. This says that you agree to have the treatment and understand what it involves.

If you would like more information about our consent process, please speak to a member of staff caring for you.

During dental day surgery

When it is time for your dental surgery, a member of staff takes you to the operating theatre. The adult that you bring with you can come in as well.

If you wear glasses, you can wear them into the operating room. However, a nurse looks after them during your surgery. The nurse returns your glasses when you are in the recovery room.

We ask you to sit on a trolley and a member of staff checks your name. We attach some equipment to you to monitor your heart, blood pressure and breathing during surgery.

The anaesthetist gives you the anaesthetic medicine by injection or through a mask. You go to sleep quickly.

The adult that you bring with you can then go back to the waiting room.

A team of highly trained doctors and nurses are with you. They monitor your care during the surgery and in the recovery room.

Overview

Wisdom tooth extraction is a surgical procedure to remove one or more wisdom teeth — the four permanent adult teeth located at the back corners of your mouth on the top and bottom.

If a wisdom tooth doesn't have room to grow (impacted wisdom tooth), resulting in pain, infection or other dental problems, you'll likely need to have it pulled. Wisdom tooth extraction may be done by a dentist or an oral surgeon.

To prevent potential future problems, some dentists and oral surgeons recommend wisdom tooth extraction even if impacted teeth aren't currently causing problems.

Why it's done

Wisdom teeth, or third molars, are the last permanent teeth to appear (erupt) in the mouth. These teeth usually appear between the ages of 17 and 25. Some people never develop wisdom teeth. For others, wisdom teeth erupt normally — just as their other molars did — and cause no problems.

Many people develop impacted wisdom teeth — teeth that don't have enough room to erupt into the mouth or develop normally. Impacted wisdom teeth may erupt only partially or not at all.

An impacted wisdom tooth may:

Grow at an angle toward the next tooth (second molar)
Grow at an angle toward the back of the mouth
Grow at a right angle to the other teeth, as if the wisdom tooth is "lying down" within the jawbone
Grow straight up or down like other teeth but stay trapped within the jawbone

Problems with impacted wisdom teeth

You'll likely need your impacted wisdom tooth pulled if it results in problems such as:

Pain
Trapping food and debris behind the wisdom tooth
Infection or gum disease (periodontal disease)
Tooth decay in a partially erupted wisdom tooth
Damage to a nearby tooth or surrounding bone
Development of a fluid-filled sac (cyst) around the wisdom tooth
Complications with orthodontic treatments to straighten other teeth

Preventing future dental problems

Dental specialists disagree about the value of extracting impacted wisdom teeth that aren't causing problems (asymptomatic).

It's difficult to predict future problems with impacted wisdom teeth. However, here's the rationale for preventive extraction:

Symptom-free wisdom teeth could still harbor disease.
If there isn't enough space for the tooth to erupt, it's often hard to get to it and clean it properly.
Serious complications with wisdom teeth happen less often in younger adults.
Older adults may experience difficulty with surgery and complications after surgery.

From Mayo Clinic to your inbox

Sign up for free, and stay up to date on research advancements, health tips and current health topics, like COVID-19, plus expertise on managing health.

To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and website usage information with other information we have about you. If you are a Mayo Clinic patient, this could include protected health information. If we combine this information with your protected health information, we will treat all of that information as protected health information and will only use or disclose that information as set forth in our notice of privacy practices. You may opt-out of email communications at any time by clicking on the unsubscribe link in the e-mail.

Risks

Most wisdom tooth extractions don't result in long-term complications. However, removal of impacted wisdom teeth occasionally requires a surgical approach that involves making an incision in the gum tissue and removing bone. Rarely, complications can include:

Painful dry socket, or exposure of bone when the post-surgical blood clot is lost from the site of the surgical wound (socket)
Infection in the socket from bacteria or trapped food particles
Damage to nearby teeth, nerves, jawbone or sinuses

How you prepare

Your dentist may perform the procedure in the office. However, if your tooth is deeply impacted or if the extraction requires an in-depth surgical approach, your dentist may suggest you see an oral surgeon. In addition to making the area numb with local anesthetic, your surgeon may suggest sedation to allow you to be more comfortable during the procedure.

Questions to ask

Questions you may want to ask your dentist or oral surgeon include:

How many wisdom teeth need to be removed?
What type of anesthesia will I receive?
How complicated do you expect the procedure to be?
How long is the procedure likely to last?
Have the impacted wisdom teeth caused damage to other teeth?
Is there a risk that I might have nerve damage?
What other dental treatments might I need at a later date?
How long does it take to completely heal and return to normal activity?

Preparing for surgery

A wisdom tooth extraction is almost always performed as an outpatient procedure. This means that you go home the same day.

You'll receive instructions from the hospital or dental clinic staff on what to do before the surgery and the day of your scheduled surgery. Ask these questions:

Will I need to make arrangements for someone to drive me home after the procedure?
When do I need to arrive at the dental clinic or hospital?
Do I need to avoid eating food or drinking fluids or both (fast)? If so, when do I begin?
Can I take my prescription medications before the surgery? If so, how soon before the surgery can I take a dose?
Should I avoid any nonprescription drugs before the surgery?

What you can expect

During the procedure

Your dentist or oral surgeon may use one of three types of anesthesia, depending on the expected complexity of the wisdom tooth extraction and your comfort level. Options include:

Local anesthesia. Your dentist or oral surgeon administers local anesthesia with one or more injections near the site of each extraction. Before you receive an injection, your dentist or surgeon will likely apply a substance to your gums to numb them. You're awake during the tooth extraction. Although you'll feel some pressure and movement, you shouldn't experience pain.
Sedation anesthesia. Your dentist or oral surgeon gives you sedation anesthesia through an intravenous (IV) line in your arm. Sedation anesthesia suppresses your consciousness during the procedure. You don't feel any pain and will have limited memory of the procedure. You'll also receive local anesthesia to numb your gums.
General anesthesia. In special situations, you may be offered general anesthesia. You may inhale medication through your nose or have an IV line in your arm, or both. Then you lose consciousness. Your surgical team closely monitors your medication, breathing, temperature, fluids and blood pressure. You'll experience no pain and have no memory of the procedure. Local anesthesia is also given to help with postoperative discomfort.

During wisdom tooth extraction, your dentist or oral surgeon:

Makes an incision in the gum tissue to expose the tooth and bone
Removes bone that blocks access to the tooth root
Divides the tooth into sections if it's easier to remove in pieces
Removes the tooth
Cleans the site of the removed tooth of any debris from the tooth or bone
Stitches the wound closed to promote healing, though this isn't always necessary
Places gauze over the extraction site to control bleeding and to help a blood clot form

After the procedure

If you receive sedation anesthesia or general anesthesia, you're taken to a recovery room after the procedure. If you have local anesthesia, your brief recovery time is likely in the dental chair.

As you heal from your surgery, follow your dentist's instructions on:

Bleeding. Some oozing of blood may occur the first day after wisdom tooth removal. Try to avoid excessive spitting so that you don't dislodge the blood clot from the socket. Replace gauze over the extraction site as directed by your dentist or oral surgeon.
Pain management. You may be able to manage pain with an over-the-counter pain reliever, such as acetaminophen (Tylenol, others), or a prescription pain medication from your dentist or oral surgeon. Prescription pain medication may be especially helpful if bone has been removed during the procedure. Holding a cold pack against your jaw also may relieve pain.
Swelling and bruising. Use an ice pack as directed by your dentist or surgeon. Any swelling of your cheeks usually improves in two or three days. Bruising may take several more days to resolve.
Activity. After your surgery, plan to rest for the remainder of the day. Resume normal activities the next day, but for at least a week, avoid strenuous activity that might result in losing the blood clot from the socket.
Beverages. Drink lots of water after the surgery. Don't drink alcoholic, caffeinated, carbonated or hot beverages in the first 24 hours. Don't drink with a straw for at least a week because the sucking action can dislodge the blood clot from the socket.
Food. Eat only soft foods, such as yogurt or applesauce, for the first 24 hours. Start eating semisoft foods when you can tolerate them. Avoid hard, chewy, hot or spicy foods that might get stuck in the socket or irritate the wound.
Cleaning your mouth. Don't brush your teeth, rinse your mouth, spit or use mouthwash during the first 24 hours after surgery. Typically you'll be told to resume brushing your teeth after the first 24 hours. Be particularly gentle near the surgical wound when brushing and gently rinse your mouth with warm salt water every two hours and after meals for a week.
Tobacco use. If you smoke, don't do so for at least 72 hours after surgery — and wait longer than that if possible. If you chew tobacco, don't use it for at least a week. Using tobacco products after oral surgery can delay healing and increase the risk of complications.
Stitches. You may have stitches that dissolve within a few weeks or no stitches at all. If your stitches need to be removed, schedule an appointment to have them taken out.

When to call your dentist or surgeon

Call your dentist or oral surgeon if you experience any of the following signs or symptoms, which could indicate an infection, nerve damage or other serious complication:

Difficulty swallowing or breathing
Excessive bleeding
Fever
Severe pain not relieved by prescribed pain medications
Swelling that worsens after two or three days
A bad taste in your mouth not removed with saltwater rinsing
Pus in or oozing from the socket
Persistent numbness or loss of feeling
Blood or pus in nasal discharge

Results

You probably won't need a follow-up appointment after a wisdom tooth extraction if:

You don't need stitches removed
No complications arose during the procedure
You don't experience persistent problems, such as pain, swelling, numbness or bleeding — complications that might indicate infection, nerve damage or other problems

If complications develop, contact your dentist or oral surgeon to discuss treatment options.

Jan. 31, 2018

How long does a tooth extraction under anesthesia take?

How long does a tooth extraction take? This procedure is quicker than you'd think. The entire process of pulling a tooth—from administering the anesthetic to applying stitches if needed—typically takes anywhere between 20-40 minutes.

Do they put u to sleep for wisdom teeth removal?

If your teeth are really impacted, your oral surgeon may recommend general anesthesia. You will be completely asleep during your whole procedure so you won't feel any pain or remember anything about it. You won't be able to go home right away. You will have to be awake and ready to go before you are released.