Rise in the ageing population has placed significant importance on oral health care for older adults. Moreover, the emerging geriatric dentistry industry focuses on encouraging oral health care for this population, 1 as well as maintenance of optimal oral health for physical, mental and social well-being. 2 With recent efforts to satisfy the basic needs of older people in South Korea, senior citizens now pursue a higher level of needs than previous generations. 3 Accordingly, with growing interest in oral health, demand for oral health care is also increasing. 4 Thus, oral health education is required to foster life satisfaction among older people. To attain optimal oral health, there is a need to change oral health behaviour 2,5 and to practice proper oral health care on a regular basis. 6 In a previous study, Shin reported that 76.6% of seniors had no experience of oral health education, 7 indicating inadequate