Surface Characteristics of Esthetic Nickel⁻Titanium and Beta-Titanium Orthodontic Archwires Produced by Plasma Electrolytic Oxidation (PEO)-Primary Results.

Statistical significant differences were designated as follows: significant different if p-values were less than 0.05 (* p ≤ 0.05) and highly significant if P-values were less than 0.01 (** p ≤ 0.01) or less than 0.001 (*** p ≤ 0.001). 3.

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