Table 2 Overall characteristics of included studies.
From: Environmental impact of dental amalgam and alternative restorative materials: a systematic review
Characteristics | n |
|---|---|
Study design | |
Before and after | 1 |
Controlled trial | 5 |
Cross-sectional | 8a |
Modelling/simulation | 3 |
Prospective longitudinal | 4 |
Secondary analysis | 1 |
Settings | |
Clinic only | 11 |
Lab only | 3 |
Clinic and lab | 5 |
Crematorium | 2 |
Restorative materialb | |
Dental amalgam | 17 |
Resin-based composite | 10 |
Glass-ionomer cement | 6 |
Alkasite | 1 |
Treatment activity | |
Restorations | 10 |
Removals | 8 |
Incineration of extracted teeth | 3 |
Not reported | 4 |
