What is the role of the nasal tip in nasal aerodynamics?

Updated: Nov 04, 2019
  • Author: Samuel J Lin, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Consistent with maintaining lower lateral cartilage support, the nasal tip may be modified by trimming the cephalic borders of the cartilage and inserting tip grafts superficial to the cartilage or by rotating the domes by lateral trimming of tip cartilages. [30] Moreover, during rotation of the dome by lateral trimming of tip cartilage, internal vestibular skin must also be trimmed appropriately to avoid airflow obstruction. The feet of the medial crura are additional factors. Sachs states that protrusion of the medial crura into the nasal airway may contribute to obstruction. [30]  In addition, excessive cephalic trimming can further weaken the lateral crura and result in alar rim collapse and obstruction. [31]


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