Exclusion Criteria | Nr of Excluded Articles |
---|---|
Subject not relevant to orthodontics | 74 |
Subject not relevant to orthodontics - Cleft lip and palate | 6 |
Letter to the editor | 1 |
Book Reviews | 1 |
Protocol for a Cochrane review | 1 |
Report of cases & Systematic review | 1 |
Short survey | 1 |
Comments on other articles | 11 |
Original studies | 19 |
Narrative reviews | 14 |
Systematic reviews | 41 |
Sum | 170 |