Table 1 Definition of the subdivided regions of interest (ROIs 1–5)
ROI 1 | palatal area from the anterior teeth to the mesial aspect of the first premolar |
|---|---|
ROI 2 | mesial aspect of the first premolar to the palatal cusp of the second premolar |
ROI 3 | palatal cusp of the second premolar to the distal fissure of the first molar |
ROI 4 | distal fissure of the first molar to the distal fissure of the second molar |
ROI 5 | distal fissure of the second molar to the posterior boundary of the hard palate |