Previous dry socket as a risk factor for alveolar osteitis: A nested case-control study in primary healthcare services

Dry socket is one of the most common complications following tooth extraction, though no studies have been made on its main risk factors in the primary healthcare services of Barcelona (Spain). Objectives: To analyze the influence of different factors upon the appearance of dry socket in patients attended in the primary care setting, and to determine the possible presence of risk factors in patients who have suffered a previous episode of dry socket.During 24 months, questionnaires were filled with data on the patients seen in different public primary healthcare services in the area of Barcelona (Spain). A case-control study was conducted to identify the main risk factors for developing com…