Table 1.
Baseline characteristics of the included studies.
| Author | Year | Country | Study design | N | Age (years) | Lesion extension | Number of teeth | Tooth type | SCR/SWR | Cavity reopen interval (months) | Surfaces | Arch | Follow-up (months) | Quality assessment |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maltz et al.25 | 2010 | Brazil | Multicenter randomized controlled clinical trial | 232 | 6–53 | Caries≥1/2 dentin | 299 | Permanent molars 299 | 153/146 | 2 | – | – | 24 | 3 |
| Orhan et al.6 | 2010 | Turkey | Randomized controlled clinical trial | 123 | 4–15 | Caries≥3/4 dentin | 154 | Primary mandibular second molars 94, permanent mandibular first molars 60 | 50/49 | 3 | – | – | 12 | 5 |
| Maltz et al.26 | 2012 | Brazil | Multicenter randomized controlled clinical trial | 233 | 17.17 ± 10.91 | Caries≥1/2 dentin | 299 | Permanent molars 299 | 152/147 | 4 ± 4 | One 184, two or more 29 | – | 36 | 4 |
| Maltz et al.27 | 2013 | Brazil | Multicenter randomized controlled clinical trial | 233 | 17.17 ± 10.91 | Caries≥1/2 dentin | 299 | Permanent molars 299 | 153/146 | 4 ± 4 | – | – | 18 | 3 |
| Elhennawy et al.28 | 2018 | Germany | Prospective, two-arm, parallel-group, single-blinded, randomized controlled superiority pilot trial | 74 | 6.3 ± 1.5 | Caries>2/3 dentin | 74 | Primary molars 74 | 37/37 | 6 | One 37, two 37 | Upper 32, lower 42 | 12 | 6 |
| Maltz et al.29 | 2018 | Brazil | Multicenter randomized controlled clinical trial | 233 | 17.17 ± 10.91 | Caries≥1/2 dentin | 299 | Permanent molars 299 | 152/147 | 4 ± 4 | One 200, two or more 29 | – | 60 | 3 |
| Labib et al.20 | 2019 | Egypt | Randomized controlled, clustered two-arm superiority trial | 115 | 29 ± 6 | Caries>2/3 dentine | 132 | Permanent premolars 58, permanent molars 74 | 66/66 | 3–4 | One 47, two or more 85 | Upper 55, lower 77 | 12 | 5 |
| Jardim et al.30 | 2020 | Brazil | Multicenter randomized controlled clinical trial | 233 | 17.2 ± 10.9 | Caries≥1/2 dentin | 299 | Permanent molars 299 | 152/147 | 4 ± 4 | One 150, two or more 22 | Upper 77, lower 95 | 60 | 3 |
| Elhennawy et al.19 | 2021 | Germany | Prospective, two-arm, parallel-group, single-blinded, randomized controlled superiority pilot trial | 74 | 6.3 ± 1.5 | Caries>2/3 dentin | 74 | Primary molars 74 | 37/37 | 6 | One 37, two 37 | Upper 32, lower 42 | 24 | 6 |
SCR, selective removal; SWR, stepwise removal; RR, relative risk; CI, confidence interval.