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. 2023 Jul 10;23:472. doi: 10.1186/s12903-023-03144-2

Table 2.

Keratinized tissue (mm) measured over the experimental period at the surgical area (mean ± SD)

Time Treatment group P-value
Apical Crestal
Overall Inter-proximal Buccal Overall Inter-proximal Buccal Overall Inter-proximal Buccal
Baseline 6.0 ± 1.4 6.6 ± 1.3 4.9 ± 1.6 5.8 ± 1.4 6.4 ± 1.4 4.7 ± 1.7 NS NS NS
Post-surgery (T0) 3.3 ± 0.9 3.5 ± 1.0 2.8 ± 0.9 3.6 ± 0.9 3.9 ± 1.0 2.9 ± 1.0 NS NS NS
1 month (T1) 4.8 ± 1.1 5.3 ± 1.2 3.9 ± 0.9 4.8 ± 0.9 5.2 ± 0.9 3.9 ± 1.1 NS NS NS
ΔT0-T1 1.5 ± 0.9 1.8 ± 1.1 1.0 ± 0.8 1.2 ± 0.8 1.3 ± 0.8 1.0 ± 0.9 NS NS NS
3 months (T3) 5.1 ± 1.1 5.7 ± 1.2 4.1 ± 1.0 5.2 ± 0.9 5.7 ± 1.0 4.1 ± 0.9 NS NS NS
ΔT0-T3 1.9 ± 0.9 2.2 ± 1.0 1.3 ± 0.8 1.6 ± 0.8 1.8 ± 0.9 1.2 ± 0.8 NS NS NS
6 months (T6) 5.4 ± 1.1 6.0 ± 1.2 4.2 ± 0.9 5.4 ± 0.9 5.9 ± 0.9 4.2 ± 1.0 NS NS NS
ΔT0-T6 2.1 ± 0.9 2.5 ± 1.1 1.4 ± 0.7 1.8 ± 0.9 2.0 ± 1.0 1.3 ± 0.9 NS NS NS

SD standard deviation; NS not statistically significant