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The Revista Chilena de Fonoaudiología and the Chilean Society of Speech-Language Pathology announce the call for papers for the Special Issue 2027 “Technology and Innovation in Speech-Language Pathology”.
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Contribution of cold Temperature and sour Taste in Speech and Language Intervention of Oropharyngeal Dysphagia

Authors

  • Exequiel Guevara D. Universidad Mayor
  • Samuel Avendaño S. I. Municipalidad de Placilla
  • Andrea Salazar A. Universidad Santo Tomás
  • María José Alarcón B. Corporación Municipal de Villa Alemana
  • Macarena Santelices S. Centro Comunitario de Salud Familiar Manuel Miranda
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Abstract

The speech-language pathologist (SLP) is the main professional in the non-pharmacological and non-surgical rehabilitation of patients with dysphagia. Their role is essential for both reducing the risk of aspiration or laryngeal penetration and improving or restoring the swallowing function. To this end, the SLP has direct and indirect therapeutic options, whose choice and application will depend on the patient’s condition, support networks, and their intrinsic motivation. As part of the indirect intervention strategies, the oral sensory-motor treatment (OSMT) aims to exercise the orofacial muscles, and introduce sensory input by the application of cold temperature and sour taste to increase the triggering speed of the swallowing reflex. This review seeks to determine whether the use of cold temperature and sour taste are effective indirect mechanisms for treating patients with dysphagia. It is concluded that the proposed actions in this review are useful simply as compensatory mechanisms in the swallowing process, as they modify the bolus properties and increase, temporarily, the intra-oral sensations.

Keywords:

cold temperature , dysphagia , oral sensory-­motor treatment , sour taste , swallowing.