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On-line version ISSN 2317-1782


MARRAFON, Caroline Somera et al. Speech-language therapy program for mouth opening in patients with oral and oropharyngeal cancer undergoing adjuvant radiotherapy: a pilot study. CoDAS [online]. 2018, vol.30, n.2, e20160221.  Epub Apr 19, 2018. ISSN 2317-1782.


Assess the effectiveness of an orofacial myofunctional therapeutic program in patients with oral or oropharyngeal cancer submitted to adjuvant radiotherapy through pre- and post-program comparison of maximum mandibular opening.


Prospective study involving five adult patients and five elderly patients postoperatively to oral cavity/oropharynx surgery who were awaiting the beginning of radiotherapy or had undergone fewer than five treatment sessions. The study participants had their maximum jaw opening measured using a sliding caliper at the beginning and end of the program. Two mobility exercises and three mandibular traction exercises were selected and weekly monitored presentially for 10 weeks. Descriptive data and pre- and post-therapy comparative measures were statistically analyzed using the Wilcoxon test.


Ten patients (two women and eight men) with mean age of 58.4 years, median of 57.0 years, completed the therapeutic program. They presented mean maximum mandibular opening of 31.6 ± 11.7 and 36.4 ± 8.0 mm pre- and post-therapy, respectively (p =0.021).


The proposed orofacial myofunctional therapeutic program increased the maximum jaw opening of patients referred to adjuvant radiotherapy for oral cavity or oropharynx cancer treatment.

Keywords : Trismus; Speech Therapy; Radiotherapy Adjuvant; Mouth Neoplasms; Speech Disorders; Voice Disorders.

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