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This systematic review and meta-analysis assessed the effectiveness of vocal health programs in preventing voice disorders among regular school teachers. The study included 26 studies, but only 12 were analyzed, revealing no significant evidence that direct or indirect voice training improved outcomes such as Voice Handicap Index, maximum phonation time, fundamental frequency, or shimmer. The findings suggest that current vocal health programs may not be effective in preventing dysphonia in teachers.

Author

Alana Karla

Language

EN