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Forest plot from the meta-analysis showing the number of respondents in each study expressing a positive attitude towards independent dental-hygiene practice (Affirmative), the total numbers of dentists and dental hygienists in each study, and the proportion and corresponding 95% confidence interval (95% CI) of the number of respondents in each study with an affirmative response. b, both dentists and dental hygienists; d, dentists; dh, dental hygienists; RE, random effects.
