... half of all the time during two consecutive working days in Canada (Backer et al. 1990). Adults, including the elderly, in Finland and the UK have pointed out that oral hygiene instructions ... toothbrushing was inquired about separately, offering five options: in the morning, in the evening, before a meal, after a meal and before socializing. The frequency of interdental cleaning was ... professionals as the main source of such information. Preventive measures have been included in routine care for elderly subjects in the Nordic and other industrialized countries. According to the scarce...