Findings

What do systematic reviews say?

11 questions · 11 findings · 1 reviews · Dental caries

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No studies found 0 · 0%GRADE not reported 11 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Replacement of the defective restoration vs Repair of the defective restoration

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries · Dentists managing a defective direct amalgam restoration (posterior occlusal Class I; standardized vignette of a 30-year-old,…

For a defective amalgam restoration with secondary caries, surveyed dentists most often preferred replacement over repair (pooled RR 6.94; p < 0.001); ungraded.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Not applicable (single time-point survey, June to October 2023) · Multinational (21 countries across Africa, Asia, Europe, South America); general dental practice · Overall (all 21 countries pooled)
RR 6.94 [5.53, 8.71]
21 studies · 3680 participants
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Coverage: Covering cost of minimally invasive treatment
RR 7.47 [5.63, 9.93]
Studies not reported
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Continent: Asia
RR 6.51 [4.64, 9.13]
11 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
HDI: High
RR 8.20 [6.93, 9.70]
7 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
HDI: Low
RR 6.16 [4.45, 8.52]
2 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Coverage: Not covering
RR 6.64 [4.83, 9.11]
Studies not reported
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Continent: Africa
RR 11.43 [7.88, 16.56]
2 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
HDI: Very high
RR 6.56 [4.37, 9.86]
10 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
HDI: Medium
RR 5.73 [2.83, 11.57]
2 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Continent: South America
RR 7.62 [5.59, 10.38]
2 studies
GRADE not reported

Intervention not reported

Amalgam: Preference for replacement over repair - Scenario 3: secondary caries

The intervention led to higher amalgam: Preference for replacement over repair - Scenario 3:…; GRADE not reported.

1 finding from 1 review

Clinical Decision-Making of Repair vs. Replacement of Defective Direct Dental Restorations: A Multinational… 2025 All outcomes
Continent: Europe
RR 6.53 [4.35, 9.81]
6 studies
GRADE not reported