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 In Chevallet fracture of nasal septum the mechanism of trauma is: and explain in detail?
(b) Blow from below(Ref. Scott Brown, 8th ed., Vol 3; 1127)Blow directly from front will cause Jarjavay fracture.Blow from side may depress only one nasal bone. Side force can cause severe septal displacement, which can twist or buckle the nose.