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Table 2 Comparison of palatal trueness between different intraoral scanning sequences measured using the UPRS method

From: Deviations in palatal region between indirect and direct digital models: an in vivo study

N = 35 Absolute-value (μm) Signed-value (μm)
Palatal region (P) PVR p value Palatal region (P) PVR p value
Tr1-S (P) 118.59 ± 37.67 127.35 ± 54.11 0.129 14.56 ± 93.32 13.13 ± 126.00 0.898
Tr2-S (P) 108.25 ± 33.83 118.17 ± 49.52 0.092 18.01 ± 80.69 7.70 ± 112.76 0.373
p value 0.012* 0.149   0.582 0.615  
  1. *p values < 0.05 indicate statistical significance