You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Complication of trauma to danger area of the face and explain in detail?
The area of the upper lip and the low rent part of the nose is the danger area of the face. It is due to that this area is the common site of infection.
This area is drained by a facial vein which communicates with the cavernous sinus through the superior ophthalmic vein and pterygoid venous plexus through the emissary's vein,
In case of any infection of this area, it may spread to the cavernous sinus causing infection and/or thrombosis.