What are the biomechanics of nasal fractures?

Updated: Dec 06, 2018
  • Author: Samuel J Haraldson, MD; Chief Editor: Craig C Young, MD  more...
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Any force directed to the mid face, either frontally or laterally, can disrupt the nasal anatomy, causing bony or cartilaginous injury. Frontally directed forces must be greater than normal to cause bony injury because the upper and lower lateral cartilages absorb a great deal of impact.

Children are more likely to sustain cartilaginous injury for a variety of reasons. This is mainly because children have a greater proportion of cartilage to bone, and the cartilage provides increased protection from fracture. Children's bones are also more elastic than adults' bones. This explains the increased incidence of greenstick fractures in children (fracture without displacement).

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