The results of the initial study concerning ease of use for the medical professionals and decreased discomfort for the patients of the new anterograde replacement procedure of the Provox 2 prosthesis were confirmed. The device life of Provox and that of Provox 2 were comparable, despite the alterations needed to optimize the Provox 2 prosthesis for the anterograde procedure.

Voices of patients diagnosed with early glottic cancer improved but did not normalize fully after radiotherapy. Stripping the vocal cord for initial diagnosis and continued smoking after treatment decreased voice characteristics. A multidimensional analysis protocol including perceptual and acoustical analysis of voice quality and stroboscopic analysis of vocal function is recommended to investigate voice characteristics following treatment for early glottic cancer.

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