Table 3.
Values of the evaluation items for the different age groups among men.
| Years | 65–69 |
70–74 |
75–79 |
80–84 |
≥85 |
P value |
|---|---|---|---|---|---|---|
| n = 66 |
n = 67 |
n = 70 |
n = 44 |
n = 20 |
||
| Median (Q1, Q3) | Median (Q1, Q3) | Median (Q1, Q3) | Median (Q1, Q3) | Median (Q1, Q3) | ||
| Age (years) | 68 (66, 69) | 72 (71, 73) | 77 (76, 78) | 82 (81, 83) | 88 (85, 92) | – |
| ΔE value | 45.3 (40.5, 49.5) | 45.3 (38.7, 49.1) | 42.7 (37.1, 47.3) | 43.8 (39.7, 48.1) | 38.8 (34.1, 46.8) | 0.033 |
| a∗ value | 20.3 (17.0, 23.6) | 21.0 (15.9, 23.4) | 18.5 (14.3, 22.1) | 19.5 (16.4, 23.5) | 16.1 (11.7, 22.6) | 0.061 |
| 10 Color Shades | 7 (6, 8) | 7 (6, 8) | 7 (6, 8) | 7 (6, 8) | 7 (4, 8) | 0.097 |
| 5 Color Scales | 4 (3, 4) | 4 (3, 4) | 3 (3, 4) | 4 (3, 4) | 3 (2, 4) | 0.080 |
| Number of present teeth | 23 (12, 27) | 21 (12, 25) | 16 (2, 25) | 13 (2, 25) | 6 (0, 15) | – |
| Number of artificial teeth | 0 (0, 13) | 2 (0, 13) | 11 (0, 23) | 14 (0, 26) | 20 (2, 28) | – |
| Number of functional teeth | 28 (26, 28) | 28 (26, 28) | 28 (27, 28) | 28 (27, 28) | 28 (26, 28) | – |
| Oral moisture score |
28.6 (27.0, 29.7) |
28.9 (27.2, 30.0) |
28.4 (27.0, 29.7) |
28.9 (27.9, 30.0) |
26.4 (23.9, 29.5) |
– |
| n (%) |
n (%) |
n (%) |
n (%) |
n (%) |
||
| Subjective symptoms of dry mouth | 11 (16.7) | 11 (16.4) | 20 (28.6) | 8 (18.2) | 6 (30.0) | – |
Q1: First quartile, Q3: Third quartile.
Jonckheere–Terpstra test; Bonferroni corrected P value, P < 0.0125.
When the results of the four evaluation methods for chewing gum color change were examined according to age and sex, there was no age-related decrease in masticatory performance in men.