highly significantp = 0.004
However, the change in chewing difficulties between baseline and both at six months and twelve months after overdenture were highly significant after McNemar tests for carrots (Chi 2 = 11.0; df:2, p = 0.004 and Chi 2 = 13; df:2, p = 0.002, respectively); salads (Chi 2 = 12.0; df:3, p = 0.007 and Chi 2 = 16; df:3, p = 0.001, respectively); meats (Chi 2 = 11.8; df:3, p = 0.008 and Chi 2 = 15; df:3, p = 0.002, respectively); boiled vegetables (Chi 2 = 7.7; df:3, p = 0.05 and Chi 2 = 7.7; df:3, p = 0.05, respectively); and apples (Chi 2 = 12.0; df:2, p = 0.003 and Chi 2 = 13; df:2, p = 0.001, respectively).