Table 2.
Papers excluded from meta-analysis according to scoring criteria, with reasons.
| Year | Author | Score | Reason of Rejection |
|---|---|---|---|
| 2019 | Salih et al. | 1 | Incomplete sample description |
| 2019 | Salih et al. | 1 | Incomplete sample description |
| 2018 | Pınar Çevik | 2 | Does not include tensile strength property |
| 2018 | Al-Hakam J Ibrahim, Hikmat Jameel Al-Judy | 2 | Does not include hardness property |
| 2018 | Salih et al. | 1 | Incomplete sample description |
| 2017 | Cevik and Eraslan, | 2 | Undefined concentration of filler particles |
| 2017 | Tukmachi et al. | 2 | Inadequate description of mean and standard deviation. |
| 2016 | I. Kalamarz | 1 | Incomplete sample description |
| 2016 | Nobegra et al. | 2 | Did not analyze tensile strength property |
| 2015 | Liu et al. | 1 | Inadequate definition of control |
| 2014 | Wang et al. | 1 | Incomplete sample description |
| 2013 | Liu et al. | 1 | Incomplete sample description |
| 2008 | Han et al. | 1 | Did not give a complete description of control group or sample count |
| 2008 | Gunay et al. | 2 | Undefined concentration of filler particle |
| 2002 | Tariq Aziz et al. | 0 | Does not meet the criteria for meta-analysis, does not have proper control group for comparison and all the groups have filler. |
| 1998 | Andreopoulos et al. | 1 | Incomplete sample description |
| 1994 | Andreopoulos et al. | 1 | Incomplete sample description |