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Upright immersion imposes a pressure imbalance between alveolar and mean external thoracic pressure. Lung centroid pressure (PLC) is defined as the breathing pressure required to remove this imbalan...
The stability of anatomical and centroid reference points in cephalometric analysis
Cephalometrics Variation Centroid Reference points
2009/1/23
Cephalometric records of 60 fetuses were combined on a coordinate reference grid to measure the statistical spread of the outlines. When centroid instead of anatomical points were used for superimpo...
Variation of anatomical and centroid points in the human fetal skull
Fetus Skull Centroid point Anatomical point Variation
2009/1/12
To overcome the problem of variation of reference points in cephalometric analysis two methods have been used: 1) fixed relations between consistently recognizable anatomical points and 2) centers...