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. 2019 Apr 27;19:66. doi: 10.1186/s12903-019-0751-3

Table 2.

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

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

*p values < 0.05 indicate statistical significance