The act of using suction, such as that required when drinking from a straw, creates negative pressure within the oral cavity. Following the extraction of wisdom teeth, the sockets where the teeth were formerly located are susceptible to disruption. Introducing suction too early can dislodge the blood clot that forms in these sockets. This clot is essential for proper healing and the prevention of complications.
Maintaining the integrity of the blood clot is crucial to avoid a painful condition known as dry socket. Dry socket occurs when the blood clot is prematurely lost, exposing the underlying bone and nerves to air, food, and fluids. This condition significantly prolongs the healing process and necessitates additional medical intervention. Historically, post-operative instructions following tooth extractions have consistently emphasized the avoidance of activities that generate oral suction to mitigate the risk of this complication.