Table 3.
Distribution of absolute and relative frequency (type of fracture for groups)
| Groups | Type of fracture
|
|||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
|
| ||||||
| N | n (%) | n (%) | n (%) | n (%) | ||
| G350 | A | 12 | 11 (91.6) | 0 (0) | 0 (0) | 1 (8.3) |
| B | 12 | 11 (91.6) | 1 (8.3) | 0 (0) | 0 (0) | |
| G60 | A | 12 | 9 (75) | 0 (0) | 0 (0) | 3 (25) |
| B | 12 | 8 (66.6) | 1 (8.3) | 1 (8.3) | 2 (16.6) | |
| GBF | A | 12 | 10 (83.3) | 1 (8.3) | 1 (8.3) | 0 (0) |
| B | 12 | 10 (83.3) | 1 (8.3) | 1 (8.3) | 0 (0) | |
Notes: 1-adhesive fracture – interface resin/adhesive, 2-cohesive fracture – composite resin substrate, 3-cohesive fracture – composite resin repair, 4-mixed fractures – composite resin/adhesive.