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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. Words match anywhere in the field.
15,213 questions in 2,394 reviews
current versionsNo studies 15,213 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
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 |
|---|---|---|---|
Partial pulpotomy vs Full (complete) pulpotomy Patient- and clinical-reported outcomes (tooth survival, clinical/radiographic success, pain) · Asymptomatic permanent teeth with deep caries (no symptoms) The effectiveness of partial pulpotomy compared with full pulpotomy in managing deep caries in vital… (2025) | no estimate extracted | 0 studies | No studies |
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 Oral health-related quality of life (OHRQoL) · Patients with deep caries lesions in mature or immature permanent (posterior) teeth, with no symptoms or reversible… · >=6 months Efficacy of different cavity liners compared to no cavity lining in managing deep caries in vital permanent… (2025) | no estimate extracted | 0 studies | No studies |
quantitative light-induced fluorescence (QLF) vs reference standard detection of proximal caries · primary teeth with proximal caries · primary dentition Diagnostic accuracy of quantitative light-induced fluorescence in detecting caries of various types and… (2025) | no estimate extracted | 0 studies | No studies |
Intervention NR Tooth survival · - The effectiveness of partial pulpotomy compared with full pulpotomy in managing deep caries in vital… (2025) | no estimate extracted | 0 studies | No studies |
Pulp and periapical diseases vs Without pulp and periapical diseases Lacunar stroke · Adults The contribution of oral infectious diseases in lacunar stroke based on meta-analysis and Mendelian… (2025) | No studies addressing the association between pulp and periapical diseases and LS were identified. | 0 studies | No studies |
Microinvasive techniques (resin infiltration, sealant, glass ionomer) vs Invasive treatment (conventional restorations) Radiographic progression of proximal caries lesions · Children and adults with non-cavitated proximal (interproximal) caries lesions in primary and/or permanent teeth (ages… Microinvasive interventions in the management of proximal caries lesions in primary and permanent teeth-… (2025) | no estimate extracted | 0 studies | No studies |
Partial pulpotomy vs Full (complete) pulpotomy Oral health-related quality of life (OHRQoL) · Mature permanent (molar) teeth with deep caries and symptoms indicative of irreversible pulpitis (spontaneous pain) · >=6 months The effectiveness of partial pulpotomy compared with full pulpotomy in managing deep caries in vital… (2025) | no estimate extracted | 0 studies | No studies |
Dental caries vs Without dental caries Lacunar stroke · Adults The contribution of oral infectious diseases in lacunar stroke based on meta-analysis and Mendelian… (2025) | No studies addressing the association between dental caries and LS were identified. | 0 studies | No studies |
Partial pulpotomy vs Full (complete) pulpotomy Patient- and clinical-reported outcomes (tooth survival, clinical/radiographic success, pain) · Permanent teeth with deep caries and reversible pulpitis (non-spontaneous pain) The effectiveness of partial pulpotomy compared with full pulpotomy in managing deep caries in vital… (2025) | no estimate extracted | 0 studies | No studies |
Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment Hospital admission (length of stay) · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF) Interventions for managing oral submucous fibrosis (2024) · Cochrane | The trials did not measure hospital admission. | 0 studies | No studies |
Superelastic NiTi arch wire vs Multistrand stainless steel arch wire Root resorption · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch) Initial arch wires used in orthodontic treatment with fixed appliances (2024) · Cochrane | Root resorption: not reported | 0 studies | No studies |
High-intensity sweeteners other than stevia (aspartame, sucralose, saccharin) in food products vs Any comparator (dietary sugar, no treatment, or other sweetener) Effects of non-stevia high-intensity sweeteners (aspartame, sucralose, saccharin) on cariogenic bacteria in dental plaque or saliva · Generally healthy individuals across all age groups Clinical Effects of Sugar Substitutes on Cariogenic Bacteria: A Systematic Review and Meta-Analysis. (2024) | No studies on high-intensity sweeteners such as sucralose, saccharin, or aspartame were found; the review located no eligible trials of these sweeteners on cariogenic bacteria. | 0 studies | No studies |
Dietary advice on how to achieve a healthy diet for infants (tailored advice focused on a diet low in saturated fat and cholesterol intake) vs Standard care dmfs index score · For interventions, pregnant women, mothers or other caregivers of infants in the first year of life; for outcomes,… Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane | dmfs was listed in the SoF table but not assessed (not reported for this comparison). | 0 studies | No studies |
Occlusal splint vs Another occlusal splint with a different mechanism of action Severity of joint noise · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 2 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Facemask (RME) or modified facemask vs Other non-surgical orthodontic treatments (mini maxillary protractor, Pushing Splints, modified tandem, Reverse Forsus, reverse Twin Block, reverse chin cup, tongue appliance, Frankel III) Perceived need for surgery in adulthood · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion) Orthodontic treatment for prominent lower front teeth (Class III malocclusion) in children (2024) · Cochrane | SoF3: Perceived need for surgery in adulthood - Not measured. | 0 studies | No studies |
Occlusal splint vs Behavioural therapy (counselling, CBT, relaxation, self-care management) Self-reported joint pain when chewing · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 4 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Adjunctive antimicrobial photodynamic therapy (aPDT) applied after subgingival instrumentation (SI) vs Subgingival instrumentation (SI) alone (hand or power-driven, or both), or SI plus placebo/sham aPDT Patient satisfaction · Adults (> 18 years) with a clinical diagnosis of periodontitis, receiving active (non-surgical anti-infective) treatment Adjunctive antimicrobial photodynamic therapy for treating periodontal and peri‐implant diseases (2024) · Cochrane | No studies reported data for this outcome. | NR | No studies |
Adjunctive antimicrobial photodynamic therapy (aPDT) applied after submucosal instrumentation (SI) vs Submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT Quality of life · Adults (> 18 years) with peri-implant mucositis, receiving active treatment Adjunctive antimicrobial photodynamic therapy for treating periodontal and peri‐implant diseases (2024) · Cochrane | Only one study reported evidence for adjunctive aPDT in people with peri-implant disease (Al Rifaiy 2022). Data were only available for two outcomes (PPD and BOP), both reported only at three months. No studies… | NR | No studies |
Silver diamine fluoride (SDF) vs Glass ionomer cement (GIC) plus fluoride varnish Secondary prevention of caries · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
Occlusal splint vs Behavioural therapy (counselling, CBT, relaxation, self-care management) Muscle pain when chewing · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 4 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Silver diamine fluoride (SDF) vs Glass ionomer cement (GIC) plus fluoride varnish Dental pain or sensitivity · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
Silver diamine fluoride (SDF) vs Chlorhexidine varnish Secondary prevention of caries · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
Single preoperative dose of systemic antibiotics (clindamycin 600 mg), total chemo-mechanical debridement and root filling vs Matched placebo, total chemo-mechanical debridement and root filling Swelling at 24 hours · Adults with symptomatic apical periodontitis (no signs of spreading infection or systemic involvement) · 24 hours Systemic antibiotics for symptomatic apical periodontitis and acute apical abscess in adults (2024) · Cochrane | No data available for this outcome. | 0 studies | No studies |
Occlusal splint vs Behavioural therapy (counselling, CBT, relaxation, self-care management) Muscle pain at rest · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 4 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Occlusal splint vs Another occlusal splint with a different mechanism of action Recurrence rate · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 2 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy) Self-reported joint pain when chewing · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 3 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Antioxidants (lycopene, curcumin, Oxitard) vs Placebo or no active treatment Participant-reported resumption of normal eating, chewing and speech · People of any age with a confirmed diagnosis, by clinical examination and biopsy, of oral submucous fibrosis (OSF) Interventions for managing oral submucous fibrosis (2024) · Cochrane | SoF: participant-reported resumption of normal eating, chewing and speech - outcome not reported by included studies. | 0 studies | No studies |
Occlusal splint vs Acupuncture Recurrence rate · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 5 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Oral health education/promotion (oral hygiene advice plus diet and feeding practice advice) combined with clinical treatment for mother's dentition (basic restorative and preventive; 1 trial included CHX varnish application) vs Standard care dmfs index score · For interventions, pregnant women and mothers of infants in the first year of life; for outcomes, children up to 6… Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane | dmfs was listed in the SoF table but not assessed (not reported for this comparison). | 0 studies | No studies |
Occlusal splint vs Pharmacological therapy Recurrence rate · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 6 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Occlusal splint vs Pharmacological therapy Discomfort · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 6 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Occlusal splint vs Pharmacological therapy Severity of joint noise · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 6 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Silver diamine fluoride (SDF) vs Chlorhexidine varnish Caries arrest · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
Adjunctive antimicrobial photodynamic therapy (aPDT) applied after submucosal instrumentation (SI) vs Submucosal instrumentation (SI) alone, or SI plus placebo/sham aPDT Change in gingival recession (REC) · Adults (> 18 years) with peri-implant mucositis, receiving active treatment Adjunctive antimicrobial photodynamic therapy for treating periodontal and peri‐implant diseases (2024) · Cochrane | Only one study reported evidence for adjunctive aPDT in people with peri-implant disease (Al Rifaiy 2022). Data were only available for two outcomes (PPD and BOP), both reported only at three months. No studies… | NR | No studies |
Silver diamine fluoride (SDF) vs Sealants or resin infiltration Caries arrest · Children and adults (with or without carious lesions) · Primary and permanent dentition Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data in either dentition type | 0 studies | No studies |
Superelastic NiTi arch wire vs Conventional (stabilised) NiTi arch wire Root resorption · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch) Initial arch wires used in orthodontic treatment with fixed appliances (2024) · Cochrane | Root resorption: not reported | 0 studies | No studies |
Thermoelastic copper NiTi (CuNiTi) arch wire vs Conventional NiTi arch wire Pain · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch) Initial arch wires used in orthodontic treatment with fixed appliances (2024) · Cochrane | Pain: not reported | 0 studies | No studies |
Silver diamine fluoride (SDF) vs Silver nitrate plus fluoride varnish Primary caries prevention · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
Occlusal splint vs Another occlusal splint with a different mechanism of action Muscle pain when chewing · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 2 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Prophylaxis (teeth cleaning) and CHX or iodine-NaF solution application in the dentition of women (mothers) vs Placebo dmft index score · For interventions, pregnant women and mothers of infants in the first year of life; for outcomes, children up to 6… Interventions with pregnant women, new mothers and other primary caregivers for preventing early childhood… (2024) · Cochrane | dmft was listed in the SoF table but not assessed (no trial reported it). | 0 studies | No studies |
Superelastic NiTi arch wire vs Conventional (stabilised) NiTi arch wire Time to alignment · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch) Initial arch wires used in orthodontic treatment with fixed appliances (2024) · Cochrane | Time to alignment: not reported | 0 studies | No studies |
Occlusal splint vs Physical therapy (ultrasound, exercise, sensorimotor training, laser, TENS, manual therapy) Recurrence rate · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 3 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Facemask with rapid maxillary expansion (RME) vs Facemask with alternating rapid maxillary expansion and constriction (Alt-RAMEC) Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion) Orthodontic treatment for prominent lower front teeth (Class III malocclusion) in children (2024) · Cochrane | SoF5 (Facemask (Alt-RAMEC) vs facemask (RME)): Overjet - Not measured. | 0 studies | No studies |
Silver diamine fluoride (SDF) vs Glass ionomer cement (GIC) plus fluoride varnish Aesthetics · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
NiTi arch wire of one cross-sectional size vs NiTi arch wire of a different cross-sectional size Root resorption · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch) Initial arch wires used in orthodontic treatment with fixed appliances (2024) · Cochrane | Root resorption: not reported | 0 studies | No studies |
Occlusal splint vs No treatment or placebo (non-occlusal or transparent-foil placebo splint) Discomfort · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 1 as 'Not reported'; this outcome was not reported by any included study for this comparison. Discomfort was not reported in any included study across the whole review. | 0 studies | No studies |
Occlusal splint vs Another occlusal splint with a different mechanism of action Self-reported joint pain when chewing · People with temporomandibular disorders (TMD) Occlusal interventions for managing temporomandibular disorders (2024) · Cochrane | Listed in Summary of findings 2 as 'Not reported'; this outcome was not reported by any included study for this comparison. | 0 studies | No studies |
Silver diamine fluoride (SDF) plus fluoride varnish vs Sealants plus fluoride varnish (with or without restorations) Aesthetics · Children and adults (with or without carious lesions) Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported data for this outcome in this comparison | 0 studies | No studies |
Silver diamine fluoride (SDF) vs Atraumatic restorative treatment (ART) with glass ionomer cement (GIC) or glass ionomer material Secondary prevention of caries · Children and adults (with or without carious lesions) · Primary and permanent dentition Topical silver diamine fluoride (SDF) for preventing and managing dental caries in children and adults (2024) · Cochrane | No studies reported this outcome | 0 studies | No studies |
Surgically-anchored orthodontic treatment (miniplates) vs Untreated control (no treatment) Perceived need for surgery in adulthood · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion) Orthodontic treatment for prominent lower front teeth (Class III malocclusion) in children (2024) · Cochrane | SoF2: Perceived need for surgery in adulthood - Not measured. | 0 studies | No studies |