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Table 1 Description of the measurements

From: Rapid maxillary expansion outcomes according to midpalatal suture maturation levels

Measurements Description
Interdental width (coronal view) Interdental width was measured by tracing a line between the mesial points of upper central incisors at the level of cementoenamel junction.
Nasal spine width (coronal view) Nasal spine width was measured by tracing a line between the right and left most lateral parts of the nasal spine.
Nasal base width (coronal view) Nasal base width was measured by tracing a line between the right and left most lateral parts of the skeletal nasal base at the level of nasal floor.
Maxillary width (coronal view) Maxillary width was measured by tracing a line between the left and right jugulare points of the maxilla.
Buccal intermolar width (transversal view) The distance between the most buccal point of mesiobuccal cusp’s enamel margin of the right and left upper first molars.
Palatal intermolar width (transversal view) The distance between the most palatal point of mesiopalatal cusp’s enamel margin of the right and left upper first molars.