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Table 1 Characteristics of 185 included articles

From: Methodological assessment of systematic reviews of in-vitro dental studies

Article characteristics

Frequency (%)

Dental specialty

Endodontics

43 (23.2)

Orthodontics

20 (10.8)

Orthognathic Surgery

1 (0.5)

Periodontology

13 (7)

Prosthodontics

59 (31.9)

Restorative Dentistry

49 (26.5)

Topic of Research

Accuracy

5 (2.7)

Adhesives

12 (6.5)

Aligner-type appliances

1 (0.5)

Antibacterial activity

1 (0.5)

Antimicrobial Efficacy

1 (0.5)

Avulsed teeth

2 (1.1)

Bleaching

1 (0.5)

Bonding

23 (12.4)

Bone regeneration

1 (0.5)

Brackets

6 (3.2)

CAD/CAM

1 (0.5)

Carciogenesis

2 (1.1)

Caries detection

1 (0.5)

Cements

6 (3.2)

Ceramics

23 (12.4)

Composites

6 (3.2)

Cytotoxicity

1 (0.5)

Effect of nicotine

1 (0.5)

Effect of platelet-rich fibrin

1 (0.5)

Fatigue test

2 (1.1)

Fiber Posts

9 (4.9)

Fracture resistance

5 (2.7)

Hydrocolloid

1 (0.5)

Implants

9 (4.9)

Irrigation

7 (3.8)

Laser

2 (1.1)

Microorganisms

1 (0.5)

Molecular Pathways

1 (0.5)

Mouthwashes

1 (0.5)

Nickel-titanium instruments

4 (2.2)

Obturation

2 (1.1)

Orthodontic debonding

1 (0.5)

Periodontal ligament

4 (2.2)

Precision

1 (0.5)

Prostheses

10 (5.4)

Remineralization

3 (1.6)

Restorative strategies

4 (2.2)

Root canal filling

5 (2.7)

Root fracture

1 (0.5)

Sagittal split ramus osteotomy

1 (0.5)

Sealers

5 (2.7)

Sliding in Orthodontics

1 (0.5)

Sterilization

2 (1.1)

Titanium surfaces

6 (3.2)

Tooth reattachment

1 (0.5)

Workflow

1 (0.5)

Topic of Research Group

Cells

22 (11.9)

Materials

105 (56.8)

Parameters

23 (12.4)

Techniques

35 (18.9)

Country of first author

Australia

4 (2.2)

Austria

2 (1.1)

Belgium

1 (0.5)

Bosnia and Herzegovina

1 (0.5)

Brazil

67 (36.2)

Canada

7 (3.8)

China

6 (3.2)

Colombia

2 (1.1)

Egypt

1 (0.5)

Finland

1 (0.5)

France

1 (0.5)

Germany

4 (2.2)

Greece

3 (1.6)

Guayana

1 (0.5)

Hong Kong

1 (0.5)

India

11 (6)

Iran

6 (3.2)

Ireland

1 (0.5)

Israel

1 (0.5)

Italy

4 (2.2)

Jordan

1 (0.5)

Korea

3 (1.6)

Lithuania

1 (0.5)

Malaysia

4 (2.2)

Mexico

2 (1.1)

New Zealand

1 (0.5)

Pakistan

1 (0.5)

Poland

3 (1.6)

Portugal

3 (1.6)

Saudi Arabia

3 (1.6)

Serbia

1(0.5)

Spain

8 (4.3)

Sweden

1 (0.5)

Switzerland

8 (4.3)

The Netherlands

5 (2.7)

Turkey

4 (2.2)

UK

4 (2.2)

United Arab Emirates

1 (0.5)

Uruguay

1 (0.5)

USA

4 (2.2)

Venezuela

1 (0.5)

Continent of first author

Africa

1 (0.5)

America

84 (45.4)

Asia

41 (22.2)

Europe

54 (29.2)

Oceania

5 (2.7)

Systematic review with or without meta-analysis

Systematic review without meta-analysis

100 (54.1)

Systematic review with meta-analysis

85 (45.9)

Number of experiments included

Median (IQR)

17 (19.5)

Number of authors

Median (IQR)

5 (2)

Impact factor (IF)

Median (IQR)

3.4 (1.7)

Number of citations (Google)

Median (IQR)

16.5 (53)

  1. Cells: SRs about bacteria, cell lines, microorganisms; Materials: SRs about dental materials; Parameters: SRs about parameters like bond strength, fracture resistance, fatigue test, accuracy, precision, etc.; Techniques: SRs about techniques like canal obturation, canal disinfection, irrigation, etc.
  2. Percentages may not sum to 100 due to rounding of values