Table 3. Intergroup comparison of changes from baseline to 6 months.
| MCAT+SCTG (n=35) | MCAT+EMD (n=31) | MCAT+SCTG+EMD (n=24) | p | ||
|---|---|---|---|---|---|
| Gingival Recession Depth | Mean±SD | 1.60±0.86 | 1.21±0.63 | 1.48±0.77 | 0.100 |
| Baseline - 6th Month | Median | 2.0 (0–3) | 1.0 (0–3) | 1.25 (0–3) | |
| (Min–Max) | |||||
| Gingival Recession Width | Mean±SD | 2.19±1.49 | 1.52±1.13 | 1.26±1.42 | 0.036 |
| Baseline - 6th Month | Median | 2.0 (0–5) | 2.0 (0–3) | 0.5 (0–4) | |
| (Min–Max) | |||||
| Probing Depth | Mean±SD | 0.34±0.76 | 0.44±0.67 | 0.40±0.53 | 0.814 |
| Baseline - 6th Month | Median | 0.0 (–1–2) | 1.0 (–1–1) | 0.0 (–0.5–1) | |
| (Min–Max) | |||||
| Clinical Attachment Level | Mean±SD | 1.49±1.04 | 1.37±0.80 | 1.44±0.86 | 0.717 |
| Baseline - 6th Month | Median | 1.5 (–0.7–4) | 1.0 (0–4) | 1.25 (0–3) | |
| (Min–Max) | |||||
| Keratinized Tissue Width | Mean±SD | 1.11±0.87 | 0.29±0.83 | 1.15±0.45 | <0.001 |
| Baseline - 6th Month | Median | 1.0 (–0.5–4) | 0.0 (–2–2) | 1.0 (0–2) | |
| (Min–Max) |
Abbreviations: MCAT, modified coronally advanced tunnel; SCTG, subepithelial connective tissue graft; EMD, enamel matrix derivative; SD, standard deviation; Min, minimum; Max, maximum; n, number of recession site. *Bold values indicate statistical significance (p < 0.05, Kruskal-Wallis H test).