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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. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.
5,762 questions in 263 reviews · Dental caries
current versionsNo studies 321 · 5.6%Ungraded 4,450 · 77.2%Very low 455 · 7.9%Low 297 · 5.2%Moderate 200 · 3.5%High 39 · 0.7%
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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Laser fluorescence (DIAGNOdent 2095) vs Histological validation (serial sectioning, grinding, hemisection, or microradiography) Diagnostic accuracy for occlusal caries detection at the dentin caries detection level (D0-2 versus D3-4) · Extracted human permanent posterior teeth (premolars and molars), occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | Sensitivity 0.68 [0.54, 0.79] | 7 studies | Ungraded |
Electrical conductance devices (electronic caries monitor (ECM) and/or CarieScan Pro), used as an adjunct to clinical oral examination vs Reference standard: histology or enhanced visual examination (with or without radiographs) Sensitivity · Children, adolescents, or adults presenting asymptomatically or suspected of early enamel caries (in vivo), or… · Up to 3 months between index test and reference standard (in vivo studies), Primary dentition Electrical conductance for the detection of dental caries (2021) · Cochrane | Primary dentition (3 studies): sensitivity ranged from 0.91 to 0.93. No evidence of a difference in accuracy by dentition (removing accuracy covariate: Chi2=3.15, df=1, P=0.08). | 3 studies | Ungraded |
Intervention NR Initiation of white spot lesions (WSL), visual-tactile assessment · Sensitivity (coating with vs without fluoride release, excluding high risk-of-bias studies) Efficacy of sealants and bonding materials during fixed orthodontic treatment to prevent enamel… (2021) | RR 0.83 [0.67, 1.04] | NR | Ungraded |
Urban residency vs Rural residency Dental caries (presence) · Individuals in East Africa assessed for dental caries Prevalence of Dental Caries and Associated Factors in East Africa, 2000-2020: Systematic Review and… (2021) | OR 0.962 [0.595, 1.554] | 6 studies · 2489 participants | Ungraded |
Conventional bitewing radiography (D-speed film) vs Cavity preparation or biopsy (operative validation) Diagnostic accuracy for occlusal caries detection at the caries detection level (D0 versus D1-D4) · Human permanent posterior teeth (premolars and molars) in patients, occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | DOR 2.59 [1.24, 5.44] | 1 study | Ungraded |
Early childhood caries (ECC) vs ECC-free children (caries-free controls) Iron deficiency (ID) · Preschool children (<6 years) · Overall Iron deficiency and early childhood caries: a systematic review and meta-analysis. (2021) | OR 2.63 [1.85, 3.73] | 8 studies · 9151 participants | Ungraded |
Intervention NR Dental caries prevalence · Preschoolers (AlKhayat, Dubai private preschools) Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Prevalence 38.5% | 1 study | Ungraded |
Conventional bitewing radiography (F-speed film) vs Histological validation (serial sectioning, grinding, hemisection, or microradiography) Diagnostic accuracy for occlusal caries detection at the dentin caries detection level (D0-2 versus D3-4) · Extracted human permanent posterior teeth (premolars and molars), occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | Sensitivity 0.50 [0.22, 0.79] | 2 studies | Ungraded |
Caries experience vs No caries experience Dental erosion · Five-year-old preschool children in Sharjah · Overall Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | OR 0.28 [0.16, 0.51] | 1 study · 403 participants | Ungraded |
Visual examination (VE) vs Histological validation (serial sectioning, grinding, hemisection, or microradiography) Diagnostic accuracy for occlusal caries detection at the 1/3 dentin caries detection level (Ekstrand; D0-2 versus D3-4) · Extracted human permanent posterior teeth (premolars and molars), occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | Specificity 0.88 [0.83, 0.92] | 2 studies | Ungraded |
Visual examination (VE) vs Histological validation (serial sectioning, grinding, hemisection, or microradiography) Diagnostic accuracy for occlusal caries detection at the caries detection level (D0 versus D1-D4) · Extracted human permanent posterior teeth (premolars and molars), occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | Sensitivity 0.59 [0.52, 0.67] | 3 studies | Ungraded |
Observed population vs Not applicable Dental information from relatives · Mothers of preschool children in Sharjah · Overall Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Prevalence 27 | 1 study | Ungraded |
Observed population vs Not applicable Mean dmft · Emirati preschool children in Ras Al Khaimah nurseries · Overall Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | MEAN 3.07 [2.81, 3.34] | 1 study · 540 participants | Ungraded |
Hall Technique (sealing with a preformed metal crown) vs Non-restorative cavity control (NRCC) Efficiency, costs or cost-effectiveness · Children and/or adults with permanent or primary teeth, vital (sensitive) pulps, and cavitated or dentine carious… · Primary dentition Interventions for treating cavitated or dentine carious lesions (2021) · Cochrane | Cost-effectiveness reported narratively: HT found more cost-effective than NRCC in primary teeth (Santamaria 2018); not GRADE-rated. | 1 study | Ungraded |
Chemotherapy regimen A (+/- locoregional treatment) vs Chemotherapy regimen B (+/- locoregional treatment) Locoregional control, chemotherapy regimen A vs regimen B · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer Interventions for the treatment of oral cavity and oropharyngeal cancer: chemotherapy (2021) · Cochrane | Locoregional control reported in 12 studies; not pooled. Olasz 2000 RR 0.50 (0.26 to 0.96); Prevost 2005 RR 1.48 (1.04 to 2.11); Molinari 1982 RR 0.35 (0.19 to 0.66). | 12 studies | Ungraded |
Rubber dam isolation and moisture control (alone or with saliva aspiration) vs Cotton rolls (with or without saliva aspiration) Clinical evaluation of restoration's quality · Dental patients undergoing direct or indirect restorative treatment (no age or gender restriction) · 6, 12, 18 months, Non-carious cervical lesions (composite restoration) Rubber dam isolation for restorative treatment in dental patients (2021) · Cochrane | Loguercio 2015: no significant differences (P>0.05) in marginal staining and marginal adaptation of NCCL restorations between rubber dam and cotton rolls/retraction cords at 6, 12 and 18 months. | 1 study · 30 participants | Ungraded |
TaqI (rs731236 T>C) polymorphism in the VDR gene (C allele / variant genotype) vs CT/CC genotype vs TT genotype (dominant model) Dental caries susceptibility (risk of dental caries) · Children and adults (no age limit) assessed for dental caries susceptibility · Overall Association Between the TaqI (rs731236 T>C) Gene Polymorphism and Dental Caries Risk: A Meta-analysis. (2021) | OR 1.45 [0.96, 2.19] | 7 studies · 2470 participants | Ungraded |
Visual classification: ERK (Ekstrand-Ricketts-Kidd system) vs Reference standard (histology, excavation, radiographs/microCT, or tooth separation) Sensitivity for detection of enamel caries · Asymptomatic children or adults presenting for clinical examination (in vivo studies), or extracted teeth of children… · Up to 3 months between index test and reference standard (in vivo studies) Visual or visual‐tactile examination to detect and inform the diagnosis of enamel caries (2021) · Cochrane | Sensitivity 0.85 [0.74, 0.92] | 15 studies | Ungraded |
Radiographic imaging methods (any: analogue radiographs, digital radiographs, or CBCT) vs Reference standard (histology, excavation, or enhanced visual examination) Sensitivity for detection and diagnosis of early (enamel) caries · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted… · Up to 3 months between index test and reference standard (in vivo studies), Reference standard: histology (non-CBCT) Imaging modalities to inform the detection and diagnosis of early caries (2021) · Cochrane | Sensitivity 0.46 [0.39, 0.53] | 64 studies | Ungraded |
Laser fluorescence pen (DIAGNOdent 2190/Pen) vs Histological validation (serial sectioning, grinding, hemisection, or microradiography) Diagnostic accuracy for occlusal caries detection at the caries detection level (D0 versus D1-D4) · Extracted human permanent posterior teeth (premolars and molars), occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | Specificity 0.77 [0.62, 0.87] | 2 studies | Ungraded |
Electrical conductance devices (electronic caries monitor (ECM) and/or CarieScan Pro), used as an adjunct to clinical oral examination vs Reference standard: histology or enhanced visual examination (with or without radiographs) Outcome NR · Samples with a low (<15%) prevalence of caries into dentine (d3/D3); target condition = non-cavitated enamel caries. · Up to 3 months between index test and reference standard (in vivo studies) Electrical conductance for the detection of dental caries (2021) · Cochrane | No eligible studies. 'No studies reported the inclusion of a low prevalence (0% to 14%) of d3/D3 of tooth surfaces'; all included studies reported d3/D3 prevalence of 15% or above, so the planned low-prevalence… | 0 studies | No studies |
Clear aligners (Invisalign / thermoformed aligners) vs Fixed appliances Lesion area (decalcification area, pixels) · Adults undergoing orthodontic treatment · 3 months, Adults Impact of Aligners and Fixed Appliances on Oral Health during Orthodontic Treatment: A Systematic Review and… (2021) | MD 80.50 [60.52, 100.48] | 1 study | Ungraded |
Visual examination (VE) vs Direct visual examination after tooth separation or bioptical cavity preparation Diagnostic accuracy for proximal caries detection (dentin detection level) · Patients with permanent posterior teeth, proximal surfaces assessed clinically (in vivo) · Dentin detection level Systematic review and meta-analysis of diagnostic studies of proximal surface caries. (2021) | Sensitivity 0.32 [0.07, 0.74] | 2 studies | Ungraded |
Rubber dam isolation and moisture control (alone or with saliva aspiration) vs Cotton rolls (with or without saliva aspiration) Survival rate of restorations (12 months) · Dental patients undergoing direct or indirect restorative treatment (no age or gender restriction) · 12 months, Non-carious cervical lesions (composite restoration) Rubber dam isolation for restorative treatment in dental patients (2021) · Cochrane | OR 1.38 [0.45, 4.28] | 1 study · 30 participants | Very low |
Observed population vs Not applicable Dental caries prevalence · Emirati preschool children in Ras Al Khaimah nurseries · Overall Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Prevalence 74.1 | 1 study · 540 participants | Ungraded |
Rubber dam isolation and moisture control (alone or with saliva aspiration) vs Cotton rolls (with or without saliva aspiration) Participant acceptance/satisfaction · Dental patients undergoing direct or indirect restorative treatment (no age or gender restriction) · Non-carious cervical lesions (composite restoration) Rubber dam isolation for restorative treatment in dental patients (2021) · Cochrane | Evidence did not support higher acceptance/preference for rubber dam than cotton rolls (P = 0.85 from binomial test on 28 participants; very low-certainty evidence) (Loguercio 2015). | 1 study · 28 participants | Very low |
Visual examination (VE) vs Histological validation of dental tissues (gold standard) Diagnostic accuracy for proximal caries detection (dentin detection level) · Extracted permanent posterior teeth with proximal surfaces (in vitro) · Dentin detection level Systematic review and meta-analysis of diagnostic studies of proximal surface caries. (2021) | Specificity 0.99 [0.94, 0.999] | 1 study | Ungraded |
Visual examination (VE) vs Histological validation of dental tissues (gold standard) Diagnostic accuracy for proximal caries detection (1/3 dentin detection level) · Extracted permanent posterior teeth with proximal surfaces (in vitro) · 1/3 dentin detection level Systematic review and meta-analysis of diagnostic studies of proximal surface caries. (2021) | DOR 67.0 [14.7, 304.9] | 1 study | Ungraded |
TaqI (rs731236 T>C) polymorphism in the VDR gene (C allele / variant genotype) vs CC genotype vs CT/TT genotype (recessive model) Dental caries susceptibility (risk of dental caries) · Children and adults (no age limit) assessed for dental caries susceptibility · Ethnicity: Asian Association Between the TaqI (rs731236 T>C) Gene Polymorphism and Dental Caries Risk: A Meta-analysis. (2021) | OR 1.45 [0.93, 2.26] | 5 studies · 1932 participants | Ungraded |
Less frequent tooth brushing (< twice daily) vs More frequent tooth brushing (>= twice daily) Dental caries · Healthy children and adolescents in the United Arab Emirates Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Higher tooth-brushing frequency was protective against caries in Kowash et al. and Hashim et al. (brushing >=twice vs less than daily aRR 0.8, 95% CI 0.64-0.93). A contradictory (non-protective) finding was reported by… | NR | Ungraded |
Concomitant (concurrent) chemoradiotherapy vs Radiotherapy alone (non-resectable tumours) Overall survival, concurrent chemoradiotherapy vs radiotherapy alone (pooled) · People receiving curative-intent treatment for oral cavity and oropharyngeal (squamous cell) cancer Interventions for the treatment of oral cavity and oropharyngeal cancer: chemotherapy (2021) · Cochrane | HR 0.74 [0.67, 0.83] | 24 studies · 2852 participants | Moderate |
Observed population vs Not applicable Unhealthy gums/gingivitis in all oral regions · School children aged 11-17 years in Sharjah · Overall Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Prevalence 68.9 | 1 study · 803 participants | Ungraded |
Fluorescence-based devices vs Dental imaging (analog or digital radiographs) Difference in sensitivity · Children or adults asymptomatic or suspected of enamel caries; extracted teeth · Analysis 1: fully within-person comparison Enamel Caries Detection and Diagnosis: An Analysis of Systematic Reviews. (2021) | Difference in sensitivity 0.23 [0.05, 0.39] | 19 studies · 2849 participants | Ungraded |
Cone beam computed tomography (CBCT) vs Reference standard (histology, excavation, or enhanced visual examination) Specificity for detection and diagnosis of early (enamel) caries · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted… · Up to 3 months between index test and reference standard (in vivo studies), Occlusal surfaces (CBCT) Imaging modalities to inform the detection and diagnosis of early caries (2021) · Cochrane | Specificity 0.54 [0.31, 0.75] | NR | Ungraded |
Radiographic imaging methods (any: analogue radiographs, digital radiographs, or CBCT) vs Reference standard (histology, excavation, or enhanced visual examination) Sensitivity for detection and diagnosis of early (enamel) caries · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted… · Up to 3 months between index test and reference standard (in vivo studies) Imaging modalities to inform the detection and diagnosis of early caries (2021) · Cochrane | Sensitivity 0.47 [0.40, 0.53] | 77 studies | Low |
Coating material (bonding material or sealant) WITH fluoride release vs Coating material WITHOUT fluoride release Initiation of white spot lesions (WSL), visual-tactile assessment · Patients of any age (11-40 years) receiving comprehensive/fixed orthodontic treatment with fixed appliances · 1-24 months follow-up Efficacy of sealants and bonding materials during fixed orthodontic treatment to prevent enamel… (2021) | RR 0.84 [0.70, 1.01] | 10 studies · 4705 participants | Very low |
Conventional bitewing radiography (E-speed film) vs Cavity preparation or biopsy (operative validation) Diagnostic accuracy for occlusal caries detection at the dentin caries detection level (D0-2 versus D3-4) · Human permanent posterior teeth (premolars and molars) in patients, occlusal (pit-and-fissure) surfaces Systematic review and meta-analysis of diagnostic methods for occlusal surface caries. (2021) | Sensitivity 0.76 [0.61, 0.87] | 2 studies | Ungraded |
Bleaching before resin infiltration (bleaching + infiltration) vs Resin infiltration alone Masking effect (esthetic improvement) · Patients with dental fluorosis Efficacy of resin infiltration to mask post-orthodontic or non-post-orthodontic white spot lesions or… (2021) | MD -0.30 [-0.98, 0.39] | 2 studies | Moderate |
Non-selective carious tissue removal and conventional restoration (CR) vs Stepwise carious tissue removal (SW) Failure of therapy · Children and/or adults with permanent or primary teeth, vital (sensitive) pulps, and cavitated or dentine carious… · 12 months, Deep lesions, primary dentition Interventions for treating cavitated or dentine carious lesions (2021) · Cochrane | OR 2.43 [0.65, 9.12] | 1 study · 63 participants | Very low |
Lower family socioeconomic status / income vs Higher socioeconomic status / income Dental caries · Healthy children and adolescents in the United Arab Emirates Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Findings were contradictory. Hashim et al. found children from low-income families had higher odds of severe early childhood caries (OR 1.43, 95% CI 1.11-1.85), and Ahmad et al. reported significantly higher DMFT in… | NR | Ungraded |
Fibre-optic transillumination (FOTI) vs Histological validation (in vitro) or direct visual examination after tooth separation / bioptical cavity preparation (in vivo) Diagnostic accuracy for proximal caries detection · Permanent posterior teeth, proximal surfaces (in vitro extracted teeth and in vivo patients) Systematic review and meta-analysis of diagnostic studies of proximal surface caries. (2021) | no estimate extracted | 0 studies | No studies |
Sealing using sealant materials vs No treatment Lesion progression · Children and/or adults with permanent or primary teeth, vital (sensitive) pulps, and cavitated or dentine carious… · Non-cavitated lesions, permanent dentition Interventions for treating cavitated or dentine carious lesions (2021) · Cochrane | Lesion progression reported narratively: da Silveira 2012 found 3/27 lesions progressed after 1 year; not pooled and not GRADE-rated. | 1 study | Ungraded |
Micro-invasive treatment (resin infiltration or sealing) vs Non-invasive / control treatment Radiographic proximal caries lesion progression · Patients with non-cavitated proximal (approximal) caries lesions (primary or permanent dentition) · Longest available follow-up, Permanent dentition Infiltration and sealing for managing non-cavitated proximal lesions: a systematic review and meta-analysis. (2021) | OR 0.20 [0.14, 0.28] | 12 studies | Ungraded |
Laser fluorescence (DIAGNOdent 2190/pen) vs Histological validation of dental tissues (gold standard) Diagnostic accuracy for proximal caries detection (dentin detection level) · Extracted permanent posterior teeth with proximal surfaces (in vitro) · Dentin detection level Systematic review and meta-analysis of diagnostic studies of proximal surface caries. (2021) | DOR 23.09 [7.01, 76.04] | 5 studies | Ungraded |
Observed population vs Not applicable Tooth brushing less than once daily, females in 2016 · Nationally surveyed adolescents in the United Arab Emirates · Overall Oral Health of Children and Adolescents in the United Arab Emirates: A Systematic Review of the Past Decade. (2021) | Prevalence 28.3 | 1 study · 24220 participants | Ungraded |
COE with vital rinsing (toluidine blue/tolonium chloride) vs Conventional oral examination (COE) alone Sensitivity (COE alone arm) · OSCC or OPMD symptom-free individuals with tobacco habits Clinical assessment for the detection of oral cavity cancer and potentially malignant disorders in… (2021) · Cochrane | Sensitivity 0.50 [0.12, 0.88] | 1 study · 3895 participants | Moderate |
Maternal smoking during pregnancy vs No maternal smoking during pregnancy Dental caries · Children Correlation Between Maternal Smoking During Pregnancy and Dental Caries in Children: A Systematic Review and… (2021) | RR 1.26 [1.07, 1.48] | 3 studies | Ungraded |
Rubber dam isolation vs Isolite system Survival rate of the restorations · Dental patients undergoing restorative treatment (no age or gender restriction) Rubber dam isolation for restorative treatment in dental patients (2021) · Cochrane | no estimate extracted | 0 studies | No studies |
Selective carious tissue removal (selective excavation, SE) vs Stepwise carious tissue removal (SW) Failure of therapy · Children and/or adults with permanent or primary teeth, vital (sensitive) pulps, and cavitated or dentine carious… · 12-24 months, Deep lesions, primary dentition Interventions for treating cavitated or dentine carious lesions (2021) · Cochrane | OR 2.05 [0.49, 8.62] | 2 studies · 126 participants | Very low |
COE with vital rinsing (toluidine blue/tolonium chloride) vs Conventional oral examination (COE) alone Sensitivity (COE plus vital rinsing arm) · OSCC or OPMD symptom-free individuals with tobacco habits Clinical assessment for the detection of oral cavity cancer and potentially malignant disorders in… (2021) · Cochrane | Sensitivity 0.40 [0.05, 0.85] | 1 study · 4080 participants | Moderate |