Table 1 Intra-group comparison results between the predicted and the actual situation of the donor teeth in different cases (number of consistent/ number of inconsistent)
From: Use of 3D printing models for donor tooth extraction in autotransplantation cases
Group | Number of teeth | Tooth position | Root number | Impacted position | |||||
|---|---|---|---|---|---|---|---|---|---|
Maxillary teeth | Mandibular teeth | Single rooted teeth | Double rooted teeth | Triple or more rooted teeth | High impacted | Median impacted | Low impacted | ||
Group1 | 112/18 | 64/10 | 48/8 | 48/3 | 43/7 | 21/8 | 52/6 | 39/8 | 21/4 |
χ² | 7.238 | 7.302 | 1.090 | ||||||
p | 0.010 | 0.026 | 0.580 | ||||||
Group2 | 123/7 | 71/3 | 52/4 | 49/2 | 48/2 | 26/3 | 56/2 | 44/3 | 23/2 |
χ² | 0.597 | 1.803 | 0.854 | ||||||
p | 0.440 | 0.406 | 0.652 | ||||||