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Related Concept Videos

The Hyoid Bone01:12

The Hyoid Bone

The hyoid bone is a small U-shaped bone located in the upper neck at the level of the inferior mandible, with its tips pointing posteriorly. It does not directly articulate with any other bone in the body. The hyoid acts as the attachment site for the tongue, the larynx, and the pharynx. It is held in position by a series of small muscles attached from above or below. These muscles help to move the hyoid up/down or forward/back in coordination with movements of the tongue, larynx, and pharynx...

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A Structured Rehabilitation Protocol for Improved Multifunctional Prosthetic Control: A Case Study
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Published on: November 6, 2015

Use of a hinge-type speech prosthesis.

R L Shelton, R J McCauley

    The Cleft Palate Journal
    |October 1, 1986
    PubMed
    Summary

    This study details a novel hinge-type speech prosthesis for cleft palate repair. The prosthesis effectively restored clear speech, eliminating articulation errors and hypernasality.

    Area of Science:

    • Speech Pathology
    • Prosthodontics
    • Craniofacial Surgery

    Background:

    • Cleft palate significantly impacts speech clarity and resonance.
    • Existing speech prostheses can be cumbersome and require extensive adaptation.
    • Velopharyngeal insufficiency (VPI) is a common complication of cleft palate.

    Purpose of the Study:

    • To describe a novel hinge-type speech prosthesis.
    • To evaluate the functional outcomes of using this prosthesis in a patient with cleft palate.
    • To discuss the patient's adaptation and use of the prosthesis.

    Main Methods:

    • A custom-designed hinge-type speech prosthesis was fabricated.
    • The patient utilized the two halves of her native cleft velum to manipulate the prosthesis.

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  • Speech function was assessed before and after prosthesis use.

    • Main Results:

    • The patient achieved speech free from articulation errors.
    • Audible nasal emission and hypernasality were eliminated with prosthesis use.
    • The patient successfully acquired the motor control to manipulate the velar section of the prosthesis.

    Conclusions:

    • The hinge-type speech prosthesis offers an effective solution for VPI in cleft palate patients.
    • Patient-specific adaptation and control are key to successful prosthesis function.
    • This innovative design facilitates improved speech intelligibility and quality of life.