ORIGIN: In France, only members of the gentry were permitted to keep pigeons. In Colonial Louisiana pigeonniers were considered status symbols. Pigeonnier may be descendant of late medieval towers which ornamented. French castles and manor houses.
Dry socket is more likely to occur following a difficult tooth extraction. It is thought that excessive force applied to the tooth, or excessive movement of the tooth burnishes the bony walls of the socket and crushes blood vessels, impairing the repair process.
Dry Socket Causes. The blood clot that forms after tooth extraction is essential for optimal healing of the underlying tissue. Destruction or loss of the blood clot prevents normal healing and causes alveolar osteitis. There are a variety of reasons why the initial blood clot could be lost or destroyed prematurely.