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Table 1 Abbreviations

From: Vestibulo-Oral inclination of maxillary and mandibular canines and bicuspids - a CBCT investigation

Abbreviation

Type

Definition

mrp

RPL

Median reference plane, aligned parallel to the dental arch of the split axial view.

ap

RP

apex. Most apical point of the root.

cej

RP

cemento-enamel-junction

i

RP

cusp tip

cf

RP

Central fossa. Deepest occlusal notch between cusps in bicuspids

FA

RP

FA-Point according to Andrews

α

AM

Tooth axis: Angle between long axis of the tooth (i-ap and cf-ap respectively) and midsagittal plane (msp).

β

AM

Crown axis: Angle between long axis of the tooth (i-ap and cf-ap respectively) and tangent through FA-point (constructed using parallel shift of the connective line between cej and i).

  1. RPL reference plane, RP reference point, AM angular measurement (degrees)