This is the protocol for a review and there is no abstract. The objectives are as follows:To test the null hypotheses that there are no differences in outcomes between the age at which orthodontic treatment for crowded teeth is carried out; different orthodontic interventions for correcting/preventing crowded teeth against the alternative hypothesis that there are.
CITATION STYLE
Harrison, J. E., Scholey, J., Worthington, H. V., Bickley, S., O’Brien, K. D., & Shaw, B. C. (2002). Orthodontic treatment for crowded teeth in children. Cochrane Database of Systematic Reviews. https://doi.org/10.1002/14651858.cd003453
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