| Criteria | Inclusion | Exclusion |
|---|---|---|
| Period | From April 2006 to January 2020 | Outside the date range |
| Language | English | Non-English |
| Article Type | Original article, Clinical research | Not original research, peer-reviewed journal article and or unpublished |
| Subjects | Adults (18 years old and above) | Children (under 18 years old) |
| Study focus | Instruments that evaluate orofacial esthetics in prosthodontics or restorative dentistry, and patient satisfaction with dental appearance | Orthodontic scales and indexes, Orthodontic malocclusion, Quality of life questionnaires, Assessment by a Layperson, Cleft lip or cleft palate, Dental implants |