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. 2026 Apr 17;34:e20250702. doi: 10.1590/1678-7765-2025-0702

Table 3. Intra- and inter-group comparison of root coverage percentage over time.

Groups T1 RC% Mean ±S.D. T2 RC% Mean ±S.D. p**
Thin Phenotype 35.04±29.76 30.70±28.46 0.355
Thick Phenotype 20.91±30.8 31.40±30.92 0.040
P 0.032 0.720

*p<0.05. Mann–Whitney U Test. **Wilcoxon signed-rank test. RC%: Root coverage percentage. T1: Nine months after the procedure. T2: 12–48 months after the procedure.