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Table 2 Air-drying time at each site (mean ± S.D.; s)

From: Clinical observation of the tooth surface during air-drying of self-etching primer under 3D video microscope

  Anterior (n) Premolar (n) Molar (n)
Upper 27.3 ± 14.6 (16)b 38.3 ± 15.9 (14)ab 43.5 ± 13.5 (16)ab
Lower 26.7 ± 8.5 (3)ab 39.2 ± 13.7 (13)ab 48.1 ± 21.7 (38)a
  1. The same superscript letters indicate no statistically-significant difference (p > 0.05, Tukey’s HSD test)