Accuracy of Linear Measurements of Galileos Cone Beam Computed Tomography in Normal and Different Head Positions

Table 1

Different physical and radiographic measured distances in molar, premolar, and anterior regions.

	Physical	Cross-sectional	Axial	Tangential
Buccolingual length	Between 1st and 2nd markers	+	+
Height	Between 1st and 3rd markers	+		+
Mesiodistal length	Between 1st and 4th markers		+	+

1st marker: placed on the embrasure of buccal alveolar crest.
2nd marker: placed on embrasure of lingual alveolar crest, perpendicular to the first marker.
3rd marker: placed on to the most apical region of buccal alveolar crest in the same direction with the first marker.
4th marker: placed on the adjacent tooth’s embrasure of buccal alveolar crest, next to the first marker.