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Table 3 Intraclass correlation coefficient to assess interexaminer reliability

From: Evaluation of interproximal reduction in individual teeth, and full arch assessment in clear aligner therapy: digital planning versus 3D model analysis after reduction

Tooth ICC Lower bound Upper bound
LL5 0.68  − 0.583 0.998
LL4 0.68  − 0.001 0.940
LL3 0.90 0.746 0.970
LL2 0.90 0.715 0.971
LL1 0.87 0.633 0.960
LR1 0.80 0.493 0.934
LR2 0.92 0.767 0.973
LR3 0.79 0.476 0.928
LR4 0.80 0.335 0.955
LR5 0.73  − 0.019 0.966
UR5 0.06  − 0.9772 0.990
UR4 0.68  − 0.197 0.980
UR3 0.62 0.115 0.880
UR2 0.13  − 0.178 0.587
UR1 0.73 0.193 0.937
UL1 0.47  − 0.230 0.866
UL2 0.84 0.376 0.972
UL3 0.94 0.796 0.986
UL4 0.51  − 0.151 0.959
UL5 0.75  − 0.098 0.985