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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

71 questions in 8 reviews · cluster CL0178

current versions
No studies 3 · 4.2%Ungraded 54 · 76.1%Very low 2 · 2.8%Low 8 · 11.3%Moderate 1 · 1.4%High 3 · 4.2%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Cavity liner (calcium hydroxide, glass-ionomer cement, resin-modified calcium silicate/TheraCal LC, hydraulic calcium silicate/MTA or Biodentine, flowable composite, or other liner material) vs No cavity liner or a different liner material
Restoration longevity · Patients with deep caries lesions in mature or immature permanent (posterior) teeth, with no symptoms or reversible… · >=12 months
Efficacy of different cavity liners compared to no cavity lining in managing deep caries in vital permanent… (2025)
No significant difference; high success in all groups8 studies · 889 participantsLow
Ion-releasing restorations (IRR): RMGIC, HVGIC, GIC, compomer/PMRC, giomer vs Composite resin (CR), including bulk-fill composite
Adequate marginal adaptation · Children receiving dental restorations (aged 4-11 years; primary teeth; Class I/II/V cavities) · 1 to 2 years
Clinical effectiveness of ion-releasing restorations compared to composite restorations in pediatric dental… (2025)
RR 1.02 [0.96, 1.08]5 studies · 335 participantsHigh
Ion-releasing restorations (IRR): RMGIC, HVGIC, GIC, compomer/PMRC, giomer vs Composite resin (CR), including bulk-fill composite
Absence of marginal discoloration · Children receiving dental restorations (aged 4-11 years; primary teeth; Class I/II/V cavities) · 1 to 2 years
Clinical effectiveness of ion-releasing restorations compared to composite restorations in pediatric dental… (2025)
RR 1.00 [0.93, 1.08]6 studies · 872 participantsModerate
Ion-releasing restorations (IRR): RMGIC, HVGIC, GIC, compomer/PMRC, giomer vs Composite resin (CR), including bulk-fill composite
Adequate marginal or tooth integrity · Children receiving dental restorations (aged 4-11 years; primary teeth; Class I/II/V cavities) · 1 to 2 years
Clinical effectiveness of ion-releasing restorations compared to composite restorations in pediatric dental… (2025)
RR 1.00 [0.99, 1.01]6 studies · 930 participantsHigh
Ion-releasing restorations (IRR): RMGIC, HVGIC, GIC, compomer/PMRC, giomer vs Composite resin (CR), including bulk-fill composite
Retention · Children receiving dental restorations (aged 4-11 years; primary teeth; Class I/II/V cavities) · 1 to 2 years
Clinical effectiveness of ion-releasing restorations compared to composite restorations in pediatric dental… (2025)
RR 1.02 [0.98, 1.07]5 studies · 555 participantsHigh
High-viscosity GIC atraumatic restorative treatment vs No control
Restoration survival · Children with caries in primary molars · 1 year, Multi-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Survival rate 739 studiesUngraded
High-viscosity GIC atraumatic restorative treatment vs No control
Restoration survival · Children with caries in primary molars · 1 year, Single-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Survival rate 959 studiesUngraded
Nanoionomer resin-modified GIC vs HVGIC
Restoration failure · Children with carious primary teeth · 1 year, ART; Class I
Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp… (2022)
Annual failure rate (%) RMGIC 2.0%; HVGIC 12.8%1 study · 50 participantsUngraded
Resin-modified GIC vs Composite resin
Restoration failure · Children with carious primary teeth · 2 years, Class II
Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp… (2022)
Annual failure rate (%) RMGIC 8.4%; composite resin 8.4%1 study · 55 participantsUngraded
Ion-releasing glass ionomer cement (GIC) restorations vs Resin composite restorations
Unacceptable marginal adaptation · Patients with permanent dentition in need of restorations · 1 year, 18 months to 2 years, and 3 years, All types of cavities
Secondary caries and marginal adaptation of ion-releasing versus resin composite restorations: a systematic… (2022)
RD 0.01 [-0.01, 0.03]9 studies · 2725 participantsUngraded
High-viscosity GIC atraumatic restorative treatment vs No control
Restoration survival · Children with caries in primary molars · 2 years, Multi-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Survival rate 599 studiesUngraded
Single-surface ART with high-viscosity GIC vs Multi-surface ART with high-viscosity GIC
Mean annual restoration failure rate · Children (2-9 years) with caries in posterior primary teeth · First 3 years, Single-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Mean annual failure rate (%) 4.7% (van 't Hof 2006) to 5% (de Amorim 2018)NRUngraded
Atraumatic restorative treatment with GIC vs Conventional restoration (amalgam, conventional GIC, composite resin)
Restoration failure · Children (3-13 years) with dentine caries in primary teeth, no pulpal involvement · 12-24 months
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
OR 1.60 [1.13, 2.27]6 studies · 1107 participantsUngraded
Ion-releasing restoration, glass ionomer-based (conventional GIC, HV-GIC, RMGIC, glass hybrid) vs Resin composite restoration
Marginal adaptation (unacceptable marginal adaptation) · Patients with permanent dentition in need of restorations (all cavity types: Black's Class I, II, V, and non-carious… · 3 years
Secondary caries and marginal adaptation of ion-releasing versus resin composite restorations: a systematic… (2022)
RD 0.00 [-0.02, 0.02]3 studies · 321 participantsLow
Ion-releasing glass ionomer cement (GIC) restorations vs Resin composite restorations
Unacceptable marginal adaptation · Patients with permanent dentition in need of restorations · 3 years, All types of cavities
Secondary caries and marginal adaptation of ion-releasing versus resin composite restorations: a systematic… (2022)
RD 0.00 [-0.02, 0.02]3 studies · 321 participantsLow
Conventional GIC vs Compomer and glass carbomer
Restoration failure · Children with carious primary teeth · 3 years, ART; Class I and II
Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp… (2022)
Annual failure rate (%) GIC 17.5%; compomer 17.5%; glass carbomer 28.7% (cumulative)1 study · 568 participantsUngraded
Atraumatic restorative treatment with high-viscosity GIC vs Conventional restoration (amalgam / composite resin)
Restoration survival · Children with occlusoproximal caries in primary teeth · 2-3 years, Occlusoproximal cavities (Raggio 2013; Tedesco 2017)
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
OR OR 0.298-1.267 (Raggio 2013); Tedesco 2017 ORs 0.298/0.710/1.26 (NS)NRUngraded
Single-surface ART with high-viscosity GIC vs Multi-surface ART with high-viscosity GIC
Restoration survival · Children with caries in primary molars/teeth · 3 years, Single-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Survival rate (%) 869 studiesUngraded
Multi-surface ART with high-viscosity GIC vs Single-surface ART with high-viscosity GIC
Restoration survival · Children with caries in primary molars/teeth · 3 years, Multi-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Survival rate (%) 499 studiesUngraded
Ion-releasing glass ionomer cement (GIC) restorations vs Resin composite restorations
Unacceptable marginal adaptation · Patients with permanent dentition in need of restorations · 1 year, All types of cavities
Secondary caries and marginal adaptation of ion-releasing versus resin composite restorations: a systematic… (2022)
RD 0.01 [-0.02, 0.03]9 studies · 1386 participantsLow
Resin-modified GIC vs Compomer and composite resin
Restoration failure · Children with carious primary teeth · 4 years, Class I and II
Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp… (2022)
Annual failure rate (%) compomer 4.2%; RMGIC 7.3%; composite resin 6.9%1 study · 48 participantsUngraded
Multi-surface ART with high-viscosity GIC vs Single-surface ART with high-viscosity GIC
Mean annual restoration failure rate · Children (2-9 years) with caries in posterior primary teeth · First 3 years, Multi-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Mean annual failure rate (%) 17NRUngraded
High-viscosity GIC atraumatic restorative treatment vs Amalgam or composite resin restoration
Restoration survival · Children with occlusoproximal caries in primary teeth · 2–3 years
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Pooled ART success estimate (Raggio 2013; not an odds ratio) 1.043 studiesUngraded
High-viscosity GIC atraumatic restorative treatment vs No control
Restoration survival · Children with caries in primary molars · 2 years, Single-surface
Minimal intervention dentistry for managing carious lesions into dentine in primary teeth: an umbrella review. (2022)
Survival rate 919 studiesUngraded
Ion-releasing restoration, glass ionomer-based (conventional GIC, HV-GIC, RMGIC, glass hybrid) vs Resin composite restoration
Marginal adaptation (unacceptable marginal adaptation) · Patients with permanent dentition in need of restorations (all cavity types: Black's Class I, II, V, and non-carious… · 18 months-2 years
Secondary caries and marginal adaptation of ion-releasing versus resin composite restorations: a systematic… (2022)
RD 0.03 [-0.02, 0.08]7 studies · 1018 participantsLow
Ion-releasing restoration, glass ionomer-based (conventional GIC, HV-GIC, RMGIC, glass hybrid) vs Resin composite restoration
Marginal adaptation (unacceptable marginal adaptation) · Patients with permanent dentition in need of restorations (all cavity types: Black's Class I, II, V, and non-carious… · 1 year
Secondary caries and marginal adaptation of ion-releasing versus resin composite restorations: a systematic… (2022)
RD 0.01 [-0.02, 0.03]9 studies · 1386 participantsLow
Conventional GIC vs Metal-reinforced GIC
Restoration failure · Children with carious primary teeth · 1.5 years, Class II
Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp… (2022)
Annual failure rate (%) GIC 16.6%; MRGIC 29.9%1 study · 37 participantsUngraded
GIC with cavity conditioner vs GIC without cavity conditioner
Restoration failure · Children with carious primary teeth · 1 year, ART; Class I
Clinical effectiveness of restorative materials for the restoration of carious primary teeth without pulp… (2022)
Annual failure rate (%) with conditioner 26%; without conditioner 33%1 study · 96 participantsUngraded
Dental cavity liner (e.g. calcium hydroxide, glass ionomer, resin-modified glass ionomer, or flowable composite) placed under the restoration vs No liner (resin-based composite bonded directly to the tooth)
Restoration failure · Adults or children with a Class I or Class II resin-based composite restoration in a permanent posterior tooth · 2 years
Dental cavity liners for Class I and Class II resin‐based composite restorations (2019) · Cochrane
Three studies evaluated restoration longevity at 2 years follow-up; no failures were shown in either group (effect not estimable).3 studiesUngraded
Dental cavity liner (e.g. calcium hydroxide, glass ionomer, resin-modified glass ionomer, or flowable composite) placed under the restoration vs No liner (resin-based composite bonded directly to the tooth)
Restoration failure · Adults or children with a Class I or Class II resin-based composite restoration in a permanent posterior tooth · 1 year
Dental cavity liners for Class I and Class II resin‐based composite restorations (2019) · Cochrane
RR 1.00 [0.07, 15.00]4 studiesLow
ART using H-GIC vs Conventional treatment using amalgam
Restoration failure (primary teeth) · Children with dental caries in primary teeth · Single and multiple lesions
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 2.15 [0.73, 6.35]2 studiesUngraded
ART using H-GIC vs Conventional treatment using composite (with local anaesthetic)
Restoration failure (primary teeth) · Children with dental caries in primary teeth · Multiple lesions
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 8.00 [1.24, 51.48]1 study · 30 participantsUngraded
ART using glass ionomer cement (GIC) vs Conventional treatment using amalgam
Restoration failure (primary teeth) · Children and adolescents with dental caries (primary teeth and permanent immature teeth) · Lesion type not reported
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 0.78 [0.30, 2.02]1 study · 80 participantsUngraded
ART using composite resin vs Conventional treatment using composite resin
Restoration failure (permanent dentition) · Children with dental caries in primary teeth (mean age 7 years)
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
No studies reported on restoration failure in the permanent dentition for this comparison.0 studiesNo studies
ART using H-GIC vs Conventional treatment using RM-GIC (with local anaesthetic)
Restoration failure (permanent, mature teeth) · Adults with root caries in permanent (mature) teeth · Coronal and root caries
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 1.46 [0.74, 2.88]2 studies · 210 participantsUngraded
ART using glass ionomer cement (GIC) vs Conventional treatment using amalgam
Restoration failure (permanent, immature teeth) · Children and adolescents with dental caries (primary teeth and permanent immature teeth) · Lesion type not reported
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 1.71 [1.32, 2.22]1 study · 1629 participantsUngraded
ART using composite resin vs Conventional treatment using composite resin
Restoration failure (primary dentition) · Children with dental caries in primary teeth (mean age 7 years) · 24 months, Multiple surface lesions
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 1.11 [0.54, 2.29]1 study · 57 participantsVery low
ART using resin-modified glass ionomer cement (RM-GIC) vs Conventional treatment using RM-GIC
Restoration failure (primary dentition) · Older adults with root caries in permanent (mature) teeth (mean age 75 years)
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
Restoration failure (primary dentition): 0 studies; No studies included.0 studiesNo studies
ART using high-viscosity glass ionomer cement (H-GIC), hand instruments vs Conventional treatment using H-GIC (rotary instruments)
Restoration failure (permanent dentition) · People with dental caries in primary teeth (mainly children)
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
No studies reported on restoration failure in permanent dentition for this comparison.0 studiesNo studies
ART using high-viscosity glass ionomer cement (H-GIC), hand instruments vs Conventional treatment using H-GIC (rotary instruments)
Restoration failure (primary dentition) · People with dental caries in primary teeth (mainly children) · 12 to 24 months
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 1.60 [1.13, 2.27]5 studies · 643 participantsLow
ART using resin-modified glass ionomer cement (RM-GIC) vs Conventional treatment using RM-GIC
Restoration failure (permanent, mature dentition; root surfaces) · Older adults with root caries in permanent (mature) teeth (mean age 75 years) · 6 months, Root caries
Atraumatic restorative treatment versus conventional restorative treatment for managing dental caries (2017) · Cochrane
OR 2.71 [0.94, 7.81]1 study · 64 participantsVery low
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Permanent posterior teeth with single-surface cavities · 2 years, single-surface permanent posterior teeth, 2 years
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 93 [89, 95]13 studiesUngraded
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Permanent posterior teeth with multiple-surface cavities · 2 years, multiple-surface permanent posterior teeth, 2 years
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 41 [18, 67]1 studyUngraded
Multiple-surface ART restoration using high-viscosity glass ionomer vs None (single-arm survival proportion; no comparator)
Restoration survival · Primary posterior teeth with multiple-surface cavities (children) · 2 years, multiple-surface primary posterior teeth, 2 years
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Proportion 0.62 [0.51, 0.73]6 studiesUngraded
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Permanent posterior teeth with single-surface cavities · 4 years, single-surface permanent posterior teeth, 4 years
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 86 [78, 93]3 studiesUngraded
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Primary posterior teeth with single-surface cavities · 1 year, single-surface primary posterior teeth, 1 year
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 95 [91, 98]9 studiesUngraded
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Primary posterior teeth with multiple-surface cavities · 2 years, multiple-surface primary posterior teeth, 2 years
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 62 [51, 73]6 studiesUngraded
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Permanent posterior teeth with multiple-surface cavities · 1 year, multiple-surface permanent posterior teeth, 1 year
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 86 [59, 98]3 studiesUngraded
High-viscosity glass-ionomer ART restorations vs No comparator
Restoration survival · Permanent posterior teeth with single-surface cavities · 6 years, single-surface permanent posterior teeth, 6 years
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Survival percentage 72 [67, 76]2 studiesUngraded
Multiple-surface ART restoration using high-viscosity glass ionomer vs None (single-arm survival proportion; no comparator)
Restoration survival · Primary posterior teeth with multiple-surface cavities (children) · 1 year, multiple-surface primary posterior teeth, 1 year
Survival of atraumatic restorative treatment (ART) sealants and restorations: a meta-analysis. (2011)
Proportion 0.71 [0.60, 0.80]8 studiesUngraded