From: Real-time co-site optical microscopy study on the morphological changes of the dentine’s surface after citric acid and sodium hypochlorite: a single-tooth model
Stage 1
Stage 2
Stage 3
Stage 4
Group 1
3.68 ± 0.06
4.13 ± 0.06
4.35 ± 0.05
5.10 ± 0.08
Group 2
3.92 ± 0.06
4.78 ± 0.08
4.97 ± 0.08
5.82 ± 0.10