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Table 5: Retention rate of resin composite and RMGIC restorations by jaw location
| Resin composite | RMGIC | |||||||
| RetainedNo (%) | DislodgedNo (%) | RetainedNo (%) | DislodgedNo (%) | |||||
| 6 months | ||||||||
| Maxilla | 76 (85.4) | 13 (14.6) | 89 (94.7) | 5 (5.3) | ||||
| Mandible | 39 (67.2) | 19 (32.8) | 47 (87.0) | 7 (13.0) | ||||
| Total | 115 | 32 | 136 | 12 | ||||
| 12 months | ||||||||
| Maxilla | 71 (81.6) | 16 (18.4) | 85 (94.4) | 5 (5.6) | ||||
| Pearson’s χ2 = 6.97, p=0.008 | ||||||||
| Mandible | 35 (62.5) | 21 (37.5) | 46 (85.2) | 8 (14.8) | ||||
| Pearson’s χ2 = 7.29, p=0.006 | ||||||||
| Total | 106 | 37 | 131 | 13 | ||||
