Table 3 The mean total number of radiographs in group I and group II in different subgroups.
Variable | Group I | Group II | |||||
|---|---|---|---|---|---|---|---|
Number | Mean | SD | Number | Mean | SD | ||
Tooth Position | Premolar teeth | 17 | 2.0 | 0 | 19 | 3.1 | 0.3 |
Molar teeth | 50 | 2.0 | 0.1 | 57 | 3.2 | 0.5 | |
Upper teeth | 36 | 2.0 | 0 | 55 | 3.2 | 0.5 | |
Lower teeth | 32 | 2.0 | 0.1 | 29 | 3.1 | 0.4 | |
Tooth Status | Vital | 19 | 2.0 | 0.2 | 24 | 3.4 | 0.7 |
Non- vital | 48 | 2.0 | 0 | 50 | 3.1 | 0.3 | |