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Table 5 Changes in the soft tissue thickness between pre-treatment (T0) and post-treatment (T1)

From: Orthodontic incisor retraction caused changes in the soft tissue chin area: a retrospective study

MeasurementT0T1T1-T0P-value
MeanSDMeanSDMeanSD
L1c-LL (mm)10.361.7011.001.610.641.670.03
B-B′ (mm)12.091.6410.891.55−1.211.34< 0.01
Pog-Pog’ (mm)10.441.6910.891.640.441.100.02