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Table 2 Enamel microhardness mean indentation lengths [μm (±SE)] (mITT population, n = 62)

From: In situ efficacy of an experimental toothpaste on enamel rehardening and prevention of demineralisation: a randomised, controlled trial

Time pointTreatmentBaseline [B]After first demineralisation [E1]After intraoral exposure [R]After second demineralisation [E2]
2 hTest43.4 (0.1)59.7 (0.2)55.8 (0.3)64.8 (0.3)
Reference43.4 (0.1)59.8 (0.1)56.5 (0.2)66.9 (0.3)
Placebo43.4 (0.1)60.0 (0.2)56.9 (0.2)71.0 (0.5)
4 hTest43.3 (0.1)59.8 (0.2)54.9 (0.3)63.7 (0.3)
Reference43.3 (0.1)59.8 (0.2)56.2 (0.2)65.5 (0.4)
Placebo43.4 (0.1)59.8 (0.2)56.1 (0.2)68.9 (0.5)