Table 2 The micro-hardness value of native, acid-etched and remineralised enamel.

From: In vitro and in vivo evaluation of electrophoresis-aided casein phosphopeptide-amorphous calcium phosphate remineralisation system on pH-cycling and acid-etching demineralised enamel

Sample

Mean Knoop hardness value (KHN) ± standard deviation (S.D.)

Natural Enamel

343.73 ± 21.45

Acid-etched enamel

66.55 ± 19.25

Remineralised enamel in group A for 5 h remineralisation

322.55 ± 31.90

Remineralised enamel in group B for 5 h remineralisation

305.68 ± 40.05

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