Table 1 Study design of included studies
Author and Year | Study Design | Randomization | Surgical technique | |
|---|---|---|---|---|
Test (group I) | Control (group II) | |||
[20] | Randomized controlled clinical study | Performed | CAF + AM | CAF + PRF |
[21] | A Clinical Study | Performed | CAF + AM | CAF + Gengigel |
[22] | Randomized, parallel-mouth controlled study | Performed | CAF + AM | CAF + PRF |
[16] | Clinical study (split mouth) | Performed | CAF + AM | CAF + CM |
[23] | Clinical study | Performed | CAF + AM Demineralized freeze-dried bone allograft (DFDBA) | CAF + CM + DFDBA |
[24] | A randomized controlled study. (Splitmouth study) | Performed | CAF + AM | CAF + functionally graded membrane (FGM) |
[25] | Randomized controlled clinical trial (Split mouth) | Performed | CAF + AM | CAF only |
[15] | Randomized controlled clinical trial (split-mouth) | Performed | CAF + AM | CAF + PRF |
[26] | Randomized study (Spilt mouth) | Performed | CAF + AM | CAF alone |
[14] | Randomized controlled study | Performed | CAF + AM | CAF + CTG |
[27] | randomized controlled trial (split mouth) | Performed | CAF + AM | CAF + CM |
[28] | clinical study (split mouth) | Performed | CAF + AM | CAF only |
[29] | Clinical study | Performed | CAF + AM | CAF + PRF |
[30] | Randomized controlled clinical trial. (Split–mouth) | Performed | CAF + AM | CAF only |
[31] | randomized clinical trial(split-mouth) | Performed | CAF + AM | CAF + SCTG |
[32] | Clinical study | Performed | CAF + AM | CAF + PRF |
[33] | Clinical study (Split mouth) | Performed | CAF + AM | CAF + collagen membrane |
[34] | Randomized controlled clinical trial | Performed | CAF + AM (Microsurgical technique) | CAF + AM (Macro-surgical technique) |
[17] | Clinical study (split mouth) | performed | CAF + AM | CAF only |
[35] | clinical study | Performed | CAF + AM | CAF only |
[18] | Randomized controlled clinical trial | Performed | CAF + AM | CAF + PRF |
[36] | Clinical study | Performed | CAF + AM | CAF + PRF |