Research Article
Effect of Lactic Acid Etching on Bonding Effectiveness of Orthodontic Bracket after Water Storage
Table 3
Shear bond strength (MPa) for experimental groups according to the type of etchant [mean (SD*) ].
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SD: standard deviation. Different superscript numbers represent significant differences between the shear bond strengths of each storage time (). Different lowercase letters represent significant differences between the etchant * storage times within each group (). |