Dry socket is the most common postoperative complication after the extraction of a permanent tooth. In this clinical picture there is an inflammation of the alveolar bone, the part of the maxillary bone apparatus that forms and supports the dental alveoli. This is due to poor wound healing after the surgical process.
Dry socket occurs in 1 to 5% of patients who have undergone tooth extraction, especially when it comes to third molars (up to 38% of cases). In any case, there are reports that estimate a much higher epidemiology with an incidence of up to 70% of patients.
This pathology has a multifactorial cause and, therefore, it can be approached in different ways. If you want to know everything about dry socket and its peculiarities, we encourage you to continue reading.
What is dry socket?
Some authors define this process as infectious , while others classify it as inflammatory in nature. In any case, the etiology is common: after the dental extraction surgical process, the alveolar bone is exposed, since it has not been covered by the blood clot and the expected healing tissue.
The patient is unable to prevent food particles or the tongue from coming into contact with exposed bone, resulting in sharp localized pain. The mechanical stress caused by chewing and the bacteria in the mouth can make healing even more difficult, since they break up the blood clot that should cover the area.
Furthermore, it should be noted that the food particles in the cavity of the extracted tooth can become fermented by the action of oral bacteria. As a consequence, toxins and antigens are formed that cause local inflammation and halitosis. However, dry socket is not usually associated with a bacterial infection.
In addition, the Spanish Journal of Oral and Maxillofacial Surgery distinguishes 2 variants within the pathology:
Primary dry socket: it is a periostitis, that is, inflammation of the periosteum. This is the fibrous sheath that serves to anchor the tooth to the socket. It is immediate and patients do not bleed after tooth extraction.
Secondary dry socket: occurs 2 to 4 days after extraction. The healing clot is completely lost, and the patient experiences pain, halitosis, and even mild swelling of the lymph nodes.
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