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Table 2 Mean difference in implant-to-root dimensions by maxillary region as measured by PAN and CBCT (n = 418)

From: Implant-to-root dimensions projected by panoramic radiographs inthe maxillary canine-premolar region: implications for dental implant treatment

Maxillary region n PAN CBCT Difference
M (mm) SD (mm) M (mm) SD (mm) M (mm) SD (mm) P
Cen Inc–Lat Inc         
 Cent IncI–Lat IncT 36 1.87 0.98 1.62 0.78 0.26 1.10 0.167
 Lat IncI–Cent IncT 49 0.95 0.92 1.09 0.63 − 0.14 0.58 0.095
 Total 85 1.34 1.04 1.31 0.74 0.25 0.85 0.759
Lat Inc–Canine         
 Lat IncI–CanineT 57 2.18 1.51 2.20 0.89 − 0.02 1.46 0.915
 Canine I–Lat IncT 39 1.81 1.00 1.71 0.70 0.10 0.65 0.330
 Total 96 2.03 1.33 2.00 0.85 0.03 1.19 0.810
Canine–1. Prem         
 Canine I–1. PremT 41 0.30 1.12 1.54 1.00 − 1.24 1.47 0.000*
 1. Prem I–CanineT 120 0.87 1.10 1.93 1.01 − 1.06 0.91 0.000*
 Total 161 0.73 1.13 1.83 1.02 − 1.11 1.08 0.000*
1. Prem–2. Prem         
 1. PremI–2. PremT 41 1.10 1.40 1.63 1.31 − 0.54 0.98 0.000*
 2. PremT–1. PremI 35 0.74 0.99 2.06 1.10 − 1.32 0.95 0.000*
 Total 76 0.93 1.23 1.81 1.04 − 0.63 1.24 0.000*
Total 418 1.19 1.28 1.74 0.99 − 0.56 1.16 0.000*
  1. Cen central, Lat lateral, Inc incisor, Prem premolar, I implant, T tooth, CBCT cone-beam computed tomography, PAN panoramic radiography, n number of sites measured, M mean, SD standard deviation, mm millimeters, P probability of type I error
  2. *Significant difference with paired t-test
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