Table 2.
Study design, field of interest, and the distribution of articles within the pyramid of evidence
| LoE | Study design | Field/subfield | TA |
|---|---|---|---|
| I | Systematic literature review | General Dentistry/Public Health | 2 |
| 2 | |||
| IV | Cohort study | General Dentistry | 1 |
| Systematic literature review | Maxillofacial Surgery | 1 | |
| 2 | |||
| V | Case series | General Dentistry/Oral Medicine | 2 |
| Cross-sectional study | General Dentistry1 | 51 | |
| Oral and Maxillofacial Surgery | 10 | ||
| Orthodontics | 4 | ||
| Endodontics | 3 | ||
| Dental Traumatology | 1 | ||
| Oral Pathology | 1 | ||
| Oral Radiology | 1 | ||
| Pediatric Dentistry | 1 | ||
| Prosthodontics | 1 | ||
| Observational | General Dentistry/Education, Public Health | 4 | |
| Oral and Maxillofacial Surgery/Guidelines | 1 | ||
| Systematic literature review | General Dentistry/Oral Medicine | 1 | |
| Oral Pathology | 1 | ||
| 82 | |||
| VI | Case report | Oral and Maxillofacial Surgery | 4 |
| 4 | |||
| VII | Narrative literature review | General Dentistry2 | 127 |
| Oral and Maxillofacial Surgery | 14 | ||
| Oral Medicine | 5 | ||
| Endodontics | 2 | ||
| Orthodontics | 3 | ||
| Dental Anesthesia | 1 | ||
| Forensic Dentistry | 1 | ||
| Microbiology | 1 | ||
| Oral Microbiology | 1 | ||
| Oral Oncology/Guidelines | 1 | ||
| Oral Pathology | 1 | ||
| Oral Radiology | 1 | ||
| Pediatric Dentistry/Guidelines | 1 | ||
| Virusology | 1 | ||
| Systematic literature review | General Dentistry/Education | 1 | |
| Maxillofacial Surgery/Guidelines | 1 | ||
| Prosthodontics | 1 | ||
| 163 | |||
| 0 | In vitro/lab studies | General Dentistry | 1 |
| Preventive Dentistry | 1 | ||
| Systematic literature review | General Dentistry/Microbiology | 3 | |
| 5 | |||
| Other | Scientific report/pilot study | General Dentistry | 1 |
| Oral Microbiology | 1 | ||
| Simulation study | General Dentistry/Public Health | 4 | |
| Oral and Maxillofacial Surgery | 2 | ||
| Short communication | General Dentistry3 | 22 | |
| Oral and Maxillofacial Surgery | 2 | ||
| Oral Medicine | 3 | ||
| Oral Pathology | 1 | ||
| Oral Radiology | 1 | ||
| Prosthodontics | 1 | ||
| 38 | |||
| Total | 296 |
LoE level of evidence; LoE I systematic review or meta-analysis of randomized controlled clinical trials; LoE II randomized controlled clinical trial; LoE III controlled clinical trial; LoE IV cohort study, case control study, systematic review or meta-analysis of cohort or case control studies, LoE V cross-sectional study, case series study, systematic review or meta-analysis of cross-sectional studies, case series or case reports; LoE VI case report; LoE VII narrative literature review, panel and expert opinion, systematic review or meta-analysis of narrative reviews, editorials, guidelines, comments, perspectives; LoE 0 animal research, in vitro/lab studies, systematic review or meta-analysis of animal, in vitro/lab studies; TA the total number of articles; 1subfields (Education, Public Health, Mental Health, Quality of Life), 2subfields (Education, Public Health, Mental Health, Pharmacology, Guidelines, Pedodontics, Orthodontics), 3subfields (Education, Public Health, Mental Health, Oral Health, Oral Surgery, Guidelines, Gerodontology)