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Figure 4 | Progress in Orthodontics

Figure 4

From: Meta-analysis and systematic review of factors biasing the observed prevalence of congenitally missing teeth in permanent dentition excluding third molars

Figure 4

Frequency distribution of 63 ratios of enrolled male and female subjects. Frequency distribution (%) of 63 ratios of enrolled male and female subjects, excluding one study with a male/female ratio of 4.21 [16] and two studies on only males [61, 66]. The blue bar is indicative of gender-balanced samples. Ratios greater than 1 show a gender imbalance in favor of males, and those smaller than 1 denote more females.

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