Table 1. Locations of abutment teeth used in this study.
| Incisor | Premolar | Molar | Total | |
|---|---|---|---|---|
| Maxilla | 4 | 6 | 9 | 19 |
| Mandible | 0 | 7 | 14 | 21 |
| Total | 4 | 13 | 23 | 40 |
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