Table 5 Search strategy, Medline via PubMed, 28 August 2017
From: Clinical effectiveness of Invisalign® orthodontic treatment: a systematic review
1. invisalign | 158 |
2. invisalign [tiab] | 158 |
3. clear aligner | 48 |
4. aligner* AND orthodont* | 181 |
5. ortho caps | 5 |
6. orthocaps | 1 |
7. invisible AND orthodont* | 69 |
8. removable AND aligner | 33 |
9. esthetic AND splint AND orthodont* | 75 |
10. transparent* AND orthodont* | 63 |