case_images: PMC9069104_01
case_images: Patient's facial and intraoral photographs and the lip shield.
case_images: fpsyg-13-852866-g0001.jpg
case_images: PMC9069104_01_fpsyg-13-852866-g0001.jpg
case_images: F1
case_images: The facial and intraoral photographs are shown in Figure 1. An image of the design and fabrication of the lip shield is shown in Figure 1.
case_images: The musical scale task used for psychoacoustic analysis.
case_images: fpsyg-13-852866-g0002.jpg
case_images: PMC9069104_01_fpsyg-13-852866-g0002.jpg
case_images: F2
case_images: Figure 2 shows the music-scale task used for psychoacoustic analyses.
case_images: The loudness (A) and sharpness (B) results of the psychoacoustic analyses.
case_images: fpsyg-13-852866-g0003.jpg
case_images: PMC9069104_01_fpsyg-13-852866-g0003.jpg
case_images: F3
case_images: Figure 3 shows the loudness and sharpness results of the psychoacoustic analyses.
case_images: The results of the self-evaluation questionnaire, with items rated using a 10-point scale, at 1 week, 3 months, and 8 months. A score of 10 indicates good and 0 indicates bad.
case_images: fpsyg-13-852866-g0004.jpg
case_images: PMC9069104_01_fpsyg-13-852866-g0004.jpg
case_images: F4
case_images: Figure 4 shows the results of the self-evaluation questionnaire after 1 week, 3 months, and 8 months.