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Related Experiment Videos

Incisal relationships during speech.

P G Howell

    The Journal of Prosthetic Dentistry
    |July 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Mandibular movement during speech was analyzed, revealing trends between incisor overlap and speaking space. However, correlations were less definitive than previously thought, with a small gap between incisors not always present.

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    Area of Science:

    • Dentistry
    • Biomechanics
    • Speech Science

    Background:

    • Understanding mandibular movement is crucial for speech analysis.
    • Previous assumptions about incisor overlap and speaking space require further investigation.

    Purpose of the Study:

    • To measure mandibular movement dimensions during speech.
    • To describe the speech envelope.
    • To analyze the relationship between speaking space and incisor overlap.

    Main Methods:

    • Measurement of mandible movement dimensions during standard text reading.
    • Analysis of the relationship between closest speaking space and vertical incisor overlap.
    • Analysis of the relationship between anterior speaking space and horizontal incisor overlap.

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    Main Results:

    • A trend was observed between closest speaking space and vertical incisor overlap, but the correlation was less definitive than assumed.
    • A similar trend with reduced correlation was found between anterior speaking space and horizontal incisor overlap.
    • A small gap (approx. 0.2 mm) between mandibular and maxillary incisors was common but not constant across all subjects.

    Conclusions:

    • The correlation between incisor overlap and speaking space during speech is less definitive than previously assumed.
    • Mandibular movement analysis provides insights into speech envelope characteristics.
    • Individual variations in incisor spacing exist during speech production.