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Total dye penetration (μm) and microleakage results (%) of the four study groups
| Mean (standard deviation) | Filtek Supreme Ultra Universal, 3M™ incrementally | Filtek Supreme Ultra Universal, 3M™ in bulk | Filtek™ Bulk Fill Flowable Restorative | SureFil® SDR® flow | P value |
|---|---|---|---|---|---|
| Total dye penetration (μm) | 145.95 (162.10) | 573.85 (284.81) | 145.51 (357.76) | 253.3 (424.08) | 0.006 |
| Microleakage (%) | 1.99 (2.24) | 8.02 (4.00) | 1.90 (4.59) | 3.96 (6.63) | 0.007 |
