Dry socket after a tooth extraction: symptoms, causes and treatment

What is dry socket?

Dry socket, known medically as alveolar osteitis, is a healing complication after an extraction: the blood clot that should fill and protect the socket (the hole left by the root) breaks down too early or does not form properly. The bone of the socket wall is left exposed, causing intense pain that usually starts between the second and fourth day, just when things seemed to be improving.

It is not an infection in the strict sense but a healing disorder: the clot is dissolved by a process called fibrinolysis, encouraged by certain local and general factors. It is distinguished from a suppurative (infected) socket, where there is genuine infection with pus and often a fever.

Dry socket occurs mainly after the extraction of lower molars, particularly impacted wisdom teeth. It is generally not dangerous, but it is very painful, and it responds well to treatment at the practice. Whether and when a wisdom tooth should be removed is covered in our article on wisdom teeth: when to remove them.

Symptoms: how to recognise it

The typical signs of dry socket are:

• pain that gets worse after an initial period of improvement, usually between the second and fourth day;
• throbbing pain, often spreading to the ear, temple or neck on the same side;
• usual painkillers that barely help;
• a bad taste in the mouth and bad breath;
• a socket that looks empty and greyish, without a clot, sometimes with whitish bone or food debris visible;
• usually little or no fever and no major swelling.

To tell it apart from normal recovery and from an infection:

• Normal recovery: pain peaks in the first hours or first two days, then gradually eases; swelling often peaks around the second or third day before going down.
• Dry socket: the pain returns and intensifies instead of easing, the socket is empty and swelling remains moderate.
• Infection: swelling increases, pus drains, fever appears and opening the mouth becomes difficult. You should then be seen quickly.

Why the clot breaks down: risk factors

Anyone can develop a dry socket, but some factors clearly increase the risk:

• Smoking, in any form (cigarettes, shisha, e-cigarettes). Suction can dislodge the clot, and the heat and inhaled substances reduce blood supply to the area.
• Location: lower molars, and especially impacted wisdom teeth, are surrounded by denser bone with a poorer blood supply.
• A difficult extraction, long or traumatic, with bone removal or the tooth divided into several pieces.
• Pre-existing infection around the tooth, such as pericoronitis around a wisdom tooth or an abscess.
• Hormonal contraception: oestrogens promote the breakdown of the clot. It is worth telling your dentist.
• A previous dry socket after an earlier extraction.
• Poor oral hygiene, which increases the bacterial load.
• Certain habits in the first few days: spitting forcefully, rinsing vigorously, drinking through a straw, touching the wound with your tongue or fingers.

None of these factors makes a dry socket certain, and it can occur without any of them. But knowing them makes it possible to tailor prevention.

Preventing dry socket, before and after the extraction

Prevention starts before the procedure. Tell the dentist if you smoke, take hormonal contraception or have had a dry socket before, and mention all your current medications. Where possible, any infection around the tooth is treated before the extraction. Depending on your situation, the dentist may prescribe a chlorhexidine antiseptic mouthwash around the time of the procedure; some protocols also involve placing a material in the socket.

After the extraction, the first few days are decisive for protecting the clot:

• The first 24 hours: bite on the gauze for as long as instructed, do not spit, do not rinse and do not drink through a straw.
• After that: rinse gently, simply letting the liquid fall out of your mouth, with the prescribed mouthwash or warm salt water if the dentist has advised it.
• Do not smoke for at least the first few days, and for as long as possible. If stopping is difficult, talk to your doctor or dentist before the extraction.
• Food: choose soft, lukewarm food, chew on the other side and avoid very hot drinks on the first day.
• Hygiene: brush your other teeth from the next day, gently around the wound.
• Rest: avoid strenuous physical activity for the first 24 to 48 hours.

Our tooth extraction page describes the procedure itself and what to expect.

What the dentist does for a dry socket

A dry socket does not heal faster with medication taken at home alone: it needs local treatment. At the practice, the dentist generally proceeds as follows:

• Examination of the socket and, if necessary, an X-ray to check that no fragment of root or bone remains.
• Gentle cleaning of the socket by irrigation with saline or an antiseptic solution to remove debris. Local anaesthetic can be given for your comfort. Scraping the socket is not routine.
• A socket dressing: a small strip or paste containing soothing and antiseptic agents is placed in the socket. Relief is often quick. The dressing may be changed at closely spaced visits, depending on progress.
• Pain relief adapted to your health, sometimes combined with an anti-inflammatory when it is not contraindicated.
• Home care instructions, sometimes with a small syringe to rinse the socket gently after meals.

Antibiotics are not prescribed routinely, because dry socket is not primarily an infection. They are reserved for signs of infection or for certain specific medical situations.

How long does it last, and when should you worry?

Once the dressing is in place, pain often eases noticeably within one to two days. Complete healing of the socket then takes longer: the gum gradually covers the wound, usually over one to two weeks, sometimes more depending on the size of the socket and your health. Without treatment, the pain can last longer, which is why it is worth being seen at the first signs.

Some signs fall outside the picture of a dry socket and mean you should be seen without delay:

• fever, chills or feeling generally unwell;
• swelling that increases after the third day, or spreads towards the eye, the neck or under the jaw;
• difficulty swallowing, breathing or opening your mouth;
• pus draining or bleeding that will not stop despite pressure;
• numbness of the lip or chin that persists after the anaesthetic should have worn off.

Outside opening hours, or if the situation seems urgent, see our dental emergency in Rabat page to know what to do.

Pain after an extraction: getting treated in Agdal

Oral surgery is one of the areas covered at German Dental Clinic in Agdal, including the removal of wisdom teeth and the follow-up that goes with it. Before the procedure, the dentist assesses your level of risk and adapts the instructions; afterwards, the practice remains reachable if the pain develops in an unusual way.

If your extraction was done elsewhere and you think you have a dry socket, you can also come in for an examination and treatment of the socket. The clinic is open Monday to Friday from 9 am to 7 pm and on Saturday from 10 am to 4 pm. For pain that is getting worse a few days after an extraction, you can book an appointment or call the clinic directly.