Abstract
Swallowing is an important function of human. The goal is to transport food and liquid to the stomach safely with complete gaining nutrition and airway protection. Cyclical tongue movement during swallowing is coordinated with jaw movement. Impairment of tongue strength can cause dysphagia. The tongue bulb pressure sensor of the Iowa Oral Performance Instrument is commonly used to measure tongue strength and used as a device to help strengthen the exercise of the tongue. The main objective of this study is to develop an in-house tongue-strengthening device to assist tongue exercise. The device was designed and fabricated using rapid prototype technique. The tensile test results demonstrate that the strengthening device can withstand the tension force while being stretched or pulled before breaking. Pilot testing with eight healthy volunteers was conducted.
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