Research Article
Clinical Evaluation for Space Maintainer after Unilateral Loss of Primary First Molar in the Early Mixed Dentition Stage
Table 1
Extraction and nonextraction side with occlusion type.
| ā | Occlusion type | Extraction side (N) | Extraction side (percentage) (%) | Control side (number) | Control side (percentage) (%) |
| Molar relationship | Class I | 12 | 24 | 16 | 32 | Class II | 13 | 26 | 10 | 20 | Class III | 1 | 2 | 0 | 0 | Mesial step | 13 | 26 | 13 | 26 | Distal step | 8 | 16 | 7 | 14 | Flush terminal plane | 3 | 6 | 4 | 8 |
| Canine relationship | Class I | 30 | 60 | 36 | 72 | Class II | 13 | 26 | 8 | 16 | Class III | 7 | 14 | 6 | 12 |
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