“…Various oral health education programs have been presented to nursing personnel with anticipation that patients may benefit from caregivers' improved expertise in personal hygiene procedures. Many studies evaluated the effectiveness of the educational program on the improvement of knowledge, attitude, and perception of caregivers (Khanagar et al, 2014;Paulsson et al, 1998;Reed et al, 2006). These programs produced conflicting conclusions regarding oral health, level of knowledge, benefits over time (Brand et al, 2013;Sjogren et al, 2010), and attitudes toward dental issues of elderly (Isaksson et al, 2000;Kullberg et al, 2009;Reed et al, 2006;Simons et al, 2000).…”