Abstract
The purpose of this study is to develop powered robotic dentures for elderly people without disabilities to assist them with chewing and swallowing. As the first step, a prototype mechanism was developed to realize the two functions of a molar tooth i.e., crushing and grinding. The results of the measurements of chewing values of the prototype, while showing a decreasing trend in crushing by impact, suggested that chewing is more effective with a combination of rotation and occlusal grooves. Moreover, the use of an ultrasonic motor as a driving actuator in the powered robotic denture was also studied.
Highlights
The average life expectancy of humans has been increasing over the past few years due to advances in medical care
“healthy life expectancy” which refers to the number of years a person is expected to live independently, is shorter than actual life expectancy by about 10 years
Chewing is one of the factors associated with this healthy life expectancy
Summary
The average life expectancy of humans has been increasing over the past few years due to advances in medical care. “healthy life expectancy” which refers to the number of years a person is expected to live independently, is shorter than actual life expectancy by about 10 years. Chewing is one of the factors associated with this healthy life expectancy. The ability to chew and swallow declines with age. This may lead to eating and swallowing disorders, dehydration, and low nutrition, making it difficult to sustain good health. Since the quality of health and life is strongly associated with the content of food consumed, improving the quality of meals is an important factor towards improving the quality of life
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