Dry Socket
Alveolar osteitis, also known as dry socket, is inflammation of the alveolar bone (i.e., the alveolar process of the maxilla or mandible). Classically, this occurs as a postoperative complication of tooth extraction.
Alveolar osteitis usually occurs where the blood clot fails to form or is lost from the socket (i.e., the defect left in the gum when a tooth is taken out). This leaves an empty socket where bone is exposed to the oral cavity, causing a localized alveolar osteitis limited to the lamina dura (i.e., the bone which lines the socket). This specific type is known as dry socket and is associated with increased pain and delayed healing.
Dry socket occurs in 0.5% to 5% of routine dental extractions, and in about 25–30% of extractions of mandibular (lower) wisdom teeth that are impacted (buried in the bone of the lower jaw, erupting during adulthood).
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