The complex masticatory system combines multiple anatomical structures. 1 Ability to chew is related to masticatory muscle strength and function, condition of teeth and jaw muscles, and salivary flow. 2 Chewing ability and performance affect general well-being.Chewing impairment impacts the daily activities of older adults.Numerous variables have been used to identify the reasons underlying the changes in oral hypofunction (OHF) such as number of teeth remaining, 3 dry mouth, 4 sensory function and force of the