Table 1 Subject, tooth and tooth surface characteristics in a case series study of the accuracy of DD to assess dental caries activity in older adults.
Baseline | Follow-up | |||
No. of subjects | 122 | 97 | ||
Age (year) | ||||
Mean (SD) | 76.0 (9.2) | 77.5 (8.9) | ||
Median (IQR) | 77.0 (69.3–83.0) | 78.0 (71.0–84.0) | ||
Range | 56–94 | 57–96 | ||
n | % | n | % | |
Sex | ||||
F | 64 | 52.5 | 51 | 52.6 |
M | 58 | 47.5 | 46 | 47.4 |
DD machine | ||||
1 | 44 | 36.1 | 34 | 35.1 |
2 | 56 | 45.9 | 42 | 43.3 |
3 | 22 | 18.0 | 21 | 21.6 |
No. of surfaces | ||||
Mean (SD) | 3.6 (3.5) | 3.4 (3.6) | ||
Median (IQR) | 2 (1–4) | 2 (1–4) | ||
Range | 1–16 | 1–16 | ||
Total number | 428 | 351 | ||
n | % | n | % | |
Tooth surface | ||||
Distal | 109 | 25.5 | 94 | 26.8 |
Facial | 149 | 34.8 | 116 | 33.0 |
Lingual | 80 | 18.7 | 69 | 19.7 |
Mesial | 90 | 21.0 | 72 | 20.5 |
Tooth area | ||||
Root surface | 216 | 50.5 | 144 | 41.0 |
Furcation | 13 | 3.0 | 12 | 3.4 |
Crown margin | 199 | 46.5 | 195 | 45.6 |
Tooth position | ||||
Anterior | 157 | 36.7 | 138 | 39.3 |
Premolar | 115 | 26.9 | 89 | 25.4 |
Molara | 156 | 36.4 | 124 | 35.3 |
Caries | ||||
Active (unarrested) | 428 | 100 | 57 | 16.2 |
Inactive (arrested) | 0 | 0 | 294 | 83.8 |
