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Progress in Orthodontics
Fig. 5 | Progress in Orthodontics

Fig. 5

From: Improvement of osseointegration of Ti–6Al–4V ELI alloy orthodontic mini-screws through anodization, cyclic pre-calcification, and heat treatments

Fig. 5

Cell proliferation behavior was measured by WST-8 assay after incubating MC3T3-E1 on specimens for the UT, AH, and APH groups for 1, 4, and 7 days. a Comparison between days, b Comparison between groups. The data were statistically analyzed by two-way analysis of variance (ANOVA) followed by Tukey’s multiple comparisons test. The results are presented as the means ± standard deviation for n = 18 (*** denotes a p value of < 0.005)

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