TABLE 7.
Risk of bias assessment of the included studies—Dentistry.
| Bias author (year) | Random sequence generation (selection bias) | Allocation concealment (selection bias) | Blinding of participants and personnel (performance bias) | Blinding of outcome assessment (detection bias) | Incomplete outcome data (attrition bias) | Selective reporting (reporting bias) | Other bias | ||
|---|---|---|---|---|---|---|---|---|---|
| Objective outcomes | Subjective outcomes | Objective outcomes | Subjective outcomes | ||||||
| Bharadwaj et al. (2020) | Low risk | Low risk | N/A | Low risk | N/A | Low risk | Low risk | Unclear risk | Low risk |
| Casarin et al. (2019) | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Low risk | Unclear risk |
| Catalán et al. (2008) | Unclear risk | Unclear risk | Low risk | N/A | Low risk | N/A | Unclear risk | Unclear risk | Unclear risk |
| Chandrdas et al. (2014) | Unclear risk | Unclear risk | Low risk | N/A | Low risk | N/A | Unclear risk | Unclear risk | Low risk |
| Elgendy et al. (2013) | Low risk | Unclear risk | Unclear risk | Unclear risk | Low risk | Unclear risk | Low risk | Unclear risk | Low risk |
| Groppo et al.(2002) | Low risk | Unclear risk | Unclear risk | N/A | Low risk | N/A | Unclear risk | Unclear risk | Unclear risk |
| Kamath et al. (2020) | Unclear risk | Low risk | Low risk | Low risk | Low risk | Unclear risk | Unclear risk | Unclear risk | Unclear risk |
| Prabhakar et al. (2009) | Unclear risk | Unclear risk | Unclear risk | N/A | Low risk | N/A | Unclear risk | Unclear risk | Unclear risk |
| Rahman et al. (2014) | Low risk | Low risk | N/A | Unclear risk | N/A | Low risk | Low risk | Unclear risk | Low risk |
| Raut and Sethi (2016) | Low risk | Low risk | N/A | Low risk | N/A | Unclear risk | Unclear risk | Unclear risk | Unclear risk |
| Reddy et al. (2020) | Low risk | Low risk | N/A | Unclear risk | N/A | Unclear risk | Unclear risk | Unclear risk | Unclear risk |
| Ripari et al. (2020) | Low risk | Unclear risk | N/A | Unclear risk | N/A | Unclear risk | Unclear risk | Unclear risk | High risk |
| Salvatori et al. (2017) | Unclear risk | Low risk | N/A | Unclear risk | N/A | Low risk | Unclear risk | Unclear risk | Unclear risk |
| Saxer et al. (2003) | Unclear risk | Unclear risk | N/A | Unclear risk | N/A | Low risk | Low risk | Unclear risk | Low risk |
| Shetty et al. (2013) | Low risk | Unclear risk | Low risk | N/A | Low risk | N/A | Low risk | Unclear risk | Low risk |
| Soukoulis and Hirsch (2004) | Unclear risk | Unclear risk | N/A | Low risk | N/A | Unclear risk | Unclear risk | Unclear risk | Unclear risk |
| Srikumar et al. (2022) | Low risk | Low risk | Unclear risk | Unclear risk | Low risk | Low risk | Low risk | Low risk | High risk |
| Taalab et al. (2021) | Low risk | Low risk | Unclear risk | Unclear risk | Low risk | Low risk | Low risk | Low risk | Low risk |