o maintain the ability to chew with one's own teeth over as much of one's life as possible, all people should receive regular check-ups by a dentist once or twice yearly, even if they have no symptoms such as pain or swelling. Finally, a book describing in detail the oral care system presented in this pamphlet was published by Ishiyaku Shuppan in the summer of 2004. In addition, a videotape showing in detail the oral care system was published by Chuohoki Shuppan in 2003. Please refer to it for more detailed information. .
