Masticatory performance in 80-year-old individuals.

Objective: To evaluate the masticatory performance of elderly people at the age of 80 years.

Subjects: A total of 283 individuals of 80 years of age took part in a general and dental health survey.

Main Outcome Measures: A dental examination including the number of remaining teeth, occlusion, prostheses, bite force recording, and a questionnaire regarding masticatory performance were recorded.

Daily use of dentifrice with and without xylitol and fluoride: effect on glucose retention in humans in vivo.

The effect of daily use of three different dentifrices on glucose retention after glucose mouth rinsing was tested in this study regarding xylitol and fluoride. Six experimental groups used three different dentifrices produced by two different companies: xylitol- and fluoride-containing dentifrice (XF), non-xylitol- and fluoride-containing dentifrice (F), and non-xylitol- and non-fluoride-containing dentifrice (NonX-NonF). Subjects were divided at random and rinsed their mouths for 15s with 20ml of 0.