Table 2.
Conventional – Orthogonal CBCT |
Perspective CBCT – Orthogonal CBCT |
Perspective CBCT – Conventional |
MANOVA |
|||||||
---|---|---|---|---|---|---|---|---|---|---|
Measurementb | Mean | SD | % Within ±2 mm | Mean | SD | % Within ±2 mm | Mean | SD | % Within ±2 mm | P > F |
LFH | −0.95 | 1.88 | 58% | 0.04 | 1.90 | 87% | 0.99 | 2.84 | 58% | .0331 |
UFH | 0.56 | 2.44 | 71% | 0.65 | 2.70 | 55% | 0.09 | 1.94 | 77% | .3903 |
TFH | −0.80 | 2.62 | 48% | 0.42 | 3.38 | 58% | 1.23 | 3.22 | 39% | .0848 |
MnL | −1.39 | 2.57 | 45% | −0.82 | 3.56 | 55% | 0.57 | 3.51 | 45% | .0220 |
MxL | 2.21 | 4.71 | 35% | 0.43 | 5.38 | 39% | −1.78 | 4.09 | 39% | .0135 |
AN | 1.15 | 3.59 | 52% | 0.78 | 2.55 | 68% | −0.37 | 3.41 | 48% | .1460 |
BN | −0.26 | 4.16 | 45% | −0.03 | 2.15 | 65% | 0.23 | 4.07 | 55% | .9417 |
PgN | −0.12 | 4.29 | 42% | 0.16 | 2.27 | 65% | 0.28 | 4.60 | 39% | .9120 |
OJT | 0.25 | 1.47 | 90% | 0.08 | 0.93 | 97% | −0.17 | 1.33 | 84% | .6595 |
ST(LN) | 0.76 | 3.39 | 61% | 0.03 | 1.75 | 71% | −0.73 | 3.38 | 65% | .5843 |
ST(UN) | 1.45 | 3.33 | 68% | −0.15 | 1.40 | 81% | −1.61 | 3.30 | 65% | .0427 |
ST(PgN) | 0.77 | 4.13 | 52% | 0.03 | 2.31 | 61% | −0.74 | 4.14 | 65% | .5843 |
Conventional indicates conventional cephalograms adjusted for magnification; perspective CBCT, synthesized cone-beam CT cephalograms with perspective projection adjusted for magnification; orthogonal CBCT, synthesized cone-beam CT cephalograms with orthogonal projection.
LFH indicates lower face height; UFH, upper face height; MnL, mandibular unit length; MxL, maxillary unit length; AN, A to N with respect to true vertical; BN, B to N with respect to true vertical; PgN, pogonion to N with respect to true vertical; OJT, overjet; ST(LN), lower lip to N with respect to true vertical (soft tissue); ST(UN), upper lip to N with respect to true vertical (soft tissue); ST(PgN), pogonion to N with respect to true vertical (soft tissue).