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Air can become trapped within the subcutaneous layer of the cervicofacial area, a condition known as subcutaneous emphysema (SE), unexpectedly after routine dental procedures. SE can worsen by extending superiorly to the peri-orbital region and inferiorly to the thorax and abdomen along the fascial planes. Upward progression can result in cavernous sinus thrombosis. Conversely, downward progression can cause a variety of complications such as pneumothorax, mediastinitis, and compression of the venous trunks. The presence of these conditions highlights the significance of prompt identification, precise diagnosis to ascertain the need for immediate intervention, and suitable management to prevent additional unfavorable consequences., (©Operative Dentistry, 2024.)