表 2.
BF组和Z350组充填体磨耗类型分布
Wear patterns of BF group and Z350 group
| Items | Pattern Ⅰ | Pattern Ⅱ | Total |
| BF group | 16 | 27 | 43 |
| Z350 group | 17 | 25 | 42 |
| Total | 33 | 52 | 85 |
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