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FIGURE 15. Nasal projection. Forward protrusion of nasal tip from face. In Goode's method, a line is drawn through the alar crease, perpendicular to the Frankfurt plane. The length of a horizontal line drawn from the nasal tip to the alar line (alar point-to-nasal tip line) divided by the length of the nasion-to-nasal tip line defines projection. Normal is 0.55-0.60.
The complete assessment of the patient's nose, in combination with an understanding of the patient's requests, guides the surgeon to a surgical plan.
FIGURE 16. Nasolabial angle. The normal range of the nasolabial angle is 90-120°. Within this range, a more obtuse angle is favored in women than in men.
FIGURE 17. Nasomental angle. The nasomental angle has a normal range of 120-132°s. Along with the nasofrontal angle (Fig. 13) and the nasofacial angle (Fig. 14), it is one of an important set of analysis angles known as Powell & Humphries' "Aesthetic Triangle."
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