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Table 1 Skeletal landmarks for image reslicing

From: Digital evaluation of nasal changes induced by rapid maxillary expansion with different anchorage and appliance design

Landmarks

Definitions

ANS

The most anterior point of the anterior nasal spine

PNS

The most posterior point of the posterior nasal spine

RFS

The geometric center of the smallest circumference with defined borders view axially on the right foramen spinosum

LFS

The geometric center of the smallest circumference with defined borders view axially on the left foramen spinosum

  1. ANS anterior nasal spine, PNS posterior nasal spine, RFS right foramen spinosum, LFS left foramen spinosum