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Table 4 Quality assessment and risk of bias of the included studies. Adequately specified = 2 points, inadequately specified = 1 point, not specified = 0 point, and not applicable = exclude criteria from calculation. Risk of bias (High: <50%; Medium: 50–70%; Low: >70%)

From: Effect of mouthwashes on the force decay of polymeric ligature chains used for dental purposes: a systematic review and meta-analysis

STUDY

Study design

Clearly stated aims

Sample size calculation

Well defined control group

Operator details and blinding

Number links used

Distance between pins

Right statistical analysis

QUALITY RESULTS (%)

RISK OF BIAS

Al – Ani [13]

In vitro

2

2

2

0

0

2

1

64,2%

MEDIUM

Menon et al. [11]

In vitro

2

2

2

1

2

2

2

92,8%

LOW

Behnaz et al. [17]

In vitro

2

2

2

2

2

2

2

100%

LOW

Nahidh et al. [20]

In vitro

2

2

2

0

0

2

2

71,4%

LOW

Ramachandraiah et al. [19]

In vitro

1

2

2

0

2

2

2

78,57%

LOW

Mirhashemi et al. [4]

In vitro

1

2

2

0

0

2

2

64,2%

MEDIUM

Sadeghian et al. [14]

In vitro

1

2

2

0

2

2

2

78,57%

LOW

Javanmardi and Salehi [3]

In vitro

1

2

2

1

2

2

2

85,7%

LOW

Omidkhoda et al. [16]

In vitro

2

2

2

0

2

2

2

85,7%

LOW

Oshagh et al. [18]

In vitro

2

0

2

0

2

2

2

71,4%

LOW

Kumar et al. [12]

In vitro

1

2

2

2

2

2

2

92,8%

LOW

Pithon et al. [15]

In vitro

2

2

2

0

2

2

2

85,7%

LOW

Pithon et al. [7]

In vitro

2

2

2

2

2

2

2

100%

LOW

Larrabee et al. [8]

In vitro

2

2

2

2

2

2

2

100%

LOW

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BMC Oral Health

ISSN: 1472-6831

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