Table 1.
Distribution and severity of affected tooth surfaces according to duration of SIV
| Affected tooth surfaces |
Duration of SIV 3–7 years |
Duration of SIV 8–10 years |
Duration of SIV >10 years |
All individuals |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
(n = 14) |
(n = 14) |
(n = 16) |
(n = 44) |
|||||||||
| E | D | E + D | E | D | E + D | E | D | E + D | E | D | E + D | |
|
Front B (n = 79) |
21 |
0 |
21 |
26 |
2 |
28 |
30 |
0 |
30 |
77 |
2 |
79 |
|
Front P (n = 147) |
47 |
2 |
49 |
31 |
4 |
35 |
47 |
16 |
63 |
125 |
22 |
147 |
|
Lateral segments B (n = 15) |
0 |
0 |
0 |
0 |
0 |
0 |
11 |
4 |
15 |
11 |
4 |
15 |
|
Lateral segments P (n = 33) |
0 |
0 |
0 |
8 |
0 |
8 |
6 |
19 |
25 |
14 |
19 |
33 |
|
Lateral segments O (n = 158) |
23 |
15 |
38 |
34 |
9 |
43 |
35 |
42 |
77 |
92 |
66 |
158 |
| All surfaces | 91 | 17 | 108 | 99 | 15 | 114 | 129 | 81 | 210 | 319 | 113 | 432 |
E = Enamel; D = Dentine; Front B = Buccal surfaces of canines and incisors in both upper and lower jaw; Front P = Palatal surfaces of canines and incisors in upper jaw; Lateral segments B = Buccal surfaces of premolars and molars in both upper and lower jaw; Lateral segments P = Palatal surfaces of premolars and molars in upper jaw; Lateral segments O = Occlusal surfaces of premolars and molars in both upper and lower jaw.