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What is Speech Impact of Hawley vs. Vacuum Retainers about?
This study investigates the speech articulation effects of Hawley and vacuum-formed retainers in adults post-orthodontic treatment using acoustic analysis. Results indicate that both retainers caused speech impairments, with more significant changes observed in the Hawley retainer group, particularly for sounds /i:/, /f/, and /s/. The findings highlight the need to consider speech distortion when selecting retainer types for orthodontic retention.
- Author
- jlkdsjfljsdlf
- Language
- EN