Findings

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Evidence found and GRADE certainty

4,411 questions · 5,986 findings · 226 reviews · Oral Health

No studies found 1,305 · 21.8%GRADE not reported 2,988 · 49.9%Very low 1,030 · 17.2%Low 476 · 8%Moderate 156 · 2.6%High 31 · 0.5%

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Systemic antibiotic prophylaxis (any regimen; topical therapy excluded) administered before and/or after tooth extraction vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing tooth extraction (21 of 23 trials: healthy patients undergoing impacted third molar extraction; 1 routine intra-alveolar…

It is very uncertain whether systemic antibiotic prophylaxis (any regimen; topical therapy… changes pain (continuous, VAS 0-10 cm, 7th day) compared with placebo (very low certainty).

1 finding from 1 review

Cone beam computed tomography (CBCT) vs Digital radiographs (direct within-person / paired comparison); reference standard: histology

Specificity for detection and diagnosis of early (enamel) caries · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted teeth of children or…
2 findings from 1 review

Er:YAG laser (erbium-doped:yttrium-aluminum-garnet) vs Placebo (placebo laser or placebo agent) or no treatment

Outcome not reported · Patients aged above 12 years with self-reported tooth hypersensitivity confirmed on clinical evaluation

The review found no eligible studies for this question.

1 finding from 1 review
  • Laser therapy for dentinal hypersensitivity 2021 · Cochrane All outcomes
    We did not find any eligible study to evaluate erbium:yttrium-aluminum-garnet (Er:YAG) or carbon dioxide (CO2) laser compared with placebo/no treatment.
    0 studies
    No studies found

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 not reported · Teeth with previously applied restorations (secondary caries) or pit and fissure sealants; target condition = non-cavitated enamel caries.

The review found no eligible studies for this question.

1 finding from 1 review
  • Electrical conductance for the detection of dental caries 2021 · Cochrane All outcomes
    Up to 3 months between index test and reference standard (in vivo studies)
    No eligible studies. 'No included studies reported inclusion criteria of previously applied restorations or pit and fissure sealants' (a planned subgroup).
    0 studies
    No studies found

Schwarz appliance vs No active treatment (control)

Position of the incisors (upper incisor inclination) · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

Schwarz appliance showed no clear difference in upper incisors to maxilla (inclination, degrees) at 9 months compared with no active treatment (control); GRADE not reported.

1 finding from 1 review

Intensive periodontal treatment (subgingival SRP with or without other periodontal treatment) vs Supra-gingival scaling

Clinical attachment level (CAL) · Adults (any age/sex) with chronic periodontitis (>=5 teeth remaining; PPD >4 mm), with or without hypertension

Intensive periodontal treatment (subgingival SRP with or without… led to lower clinical attachment level (CAL) compared with supra-gingival scaling; GRADE not reported.

3 findings from 1 review

ARP with alloplast vs Extraction alone

Changes in bucco-lingual/palatal width of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

COE with light-based detection (e.g. ViziLite Plus, Microlux/DL, VELscope, Identafi 3000) vs Reference standard: examination and clinical evaluation by a physician/clinician with specialist knowledge or training (long-term follow-up accepted for those screened negative)

Outcome not reported · Apparently healthy adults not reporting symptoms of OPMD or OSCC, attending an organised screening or surveillance programme, or screened…

The review found no eligible studies for this question.

1 finding from 1 review

Fixed tooth-borne expansion (Hyrax) vs observation

Molar expansion · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…

Fixed tooth-borne expansion (Hyrax) probably leads to higher molar expansion (inter-molar distance) compared with observation (no treatment) (moderate certainty).

1 finding from 1 review

Systemic antibiotic prophylaxis (any regimen; topical therapy excluded) administered before and/or after tooth extraction vs placebo

Pain (dichotomous, present/absent on 6th-7th day) · People undergoing tooth extraction (21 of 23 trials: healthy patients undergoing impacted third molar extraction; 1 routine intra-alveolar…

It is very uncertain whether systemic antibiotic prophylaxis (any regimen; topical therapy… changes presence of pain (dichotomous, yes/no on 6th-7th day) compared with placebo (very low certainty).

1 finding from 1 review

ARP with allograft (bone graft) vs ARP with xenograft

Changes in bucco-lingual/palatal width of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with allograft changes changes in bucco-lingual/palatal width of alveolar ridge (mm) compared with ARP with xenograft (very low certainty).

1 finding from 1 review

Rubber dam vs Isolite system

Costs: operation/chair time · Dental patients undergoing direct or indirect restorative treatment (no age or gender restriction)

It is very uncertain whether rubber dam isolation changes costs: operation/chair time compared with isolite system (very low certainty).

1 finding from 1 review

Cone beam computed tomography (CBCT) vs Digital radiographs (direct within-person / paired comparison); reference standard: histology

Sensitivity for detection and diagnosis of early (enamel) caries · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted teeth of children or…
2 findings from 1 review

Eruption guidance appliance vs No active treatment (control)

Amount of crowding (number of children with crowding, mandible) after 1 year · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth

It is very uncertain whether eruption guidance appliance changes amount of crowding (number of children with crowding, mandible)… compared with no active treatment (control) (very low certainty).

1 finding from 1 review

Bone-borne expansion vs observation

Crossbite correction · Children and adults with a posterior crossbite, without a Class III skeletal relationship, cleft lip or palate (or both), or other…
1 finding from 1 review
  • Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
    Adolescents
    Alberta 2010: bone-borne expansion corrected all posterior crossbites (21/21); no self-correction in the untreated group
    1 study
    GRADE not reported

ARP with alloplast vs ARP with xenograft

Changes in vertical height of alveolar ridge (mm) · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

It is very uncertain whether ARP with alloplast changes changes in vertical height of alveolar ridge (mm) compared with ARP with xenograft (very low certainty).

1 finding from 1 review

Direct composite resin restoration vs Amalgam restoration

Allergic reaction · People with permanent or adult posterior teeth requiring restoration (parallel-group trials involved children aged 6 to 12 years)

The review found no eligible studies for this question.

1 finding from 1 review

ARP with alloplast vs Extraction alone

Need for additional augmentation prior to implant placement · Adults aged 18 years or older, in good general health (including well-controlled systemic disease), requiring extraction of one or more…

The review found no eligible studies for this question.

1 finding from 1 review

Transillumination/OCT device used as an adjunct to a conventional visual examination vs Reference standard: histology, or enhanced visual examination with or without radiographs (also operative excavation, tooth separation, or microcomputed tomography)

Outcome not reported · Children or adults presenting asymptomatically or suspected of having enamel caries (clinical/in vivo studies); extracted teeth of…

The review found no eligible studies for this question.

1 finding from 1 review