Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,297 questions · 3,638 findings · 215 reviews · Oral Health

No studies found 98 · 2.7%GRADE not reported 2,946 · 81%Very low 263 · 7.2%Low 158 · 4.3%Moderate 137 · 3.8%High 36 · 1%

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Non-catastrophic failure of the restoration (requiring further treatment) · People with a permanent tooth that has undergone endodontic (root canal) treatment

It is very uncertain whether single full-coverage metal-ceramic crown over composite core and post changes non-catastrophic failure of the restoration (requiring further… compared with direct adhesive composite restoration with post (conventional… (very low certainty).

1 finding from 1 review

Alternative alloy FDP (e.g., Ceramalloy II / base-metal / palladium-silver) vs High-gold content control alloy FDP (Olympia)

Restoration survival · Patients receiving crowns and FDPs; split-mouth, 10-year

Alternative alloy FDP (e.g., Ceramalloy II / base-metal /… led to higher restoration survival (Ceramalloy II versus Olympia) compared with high-gold content control alloy FDP (Olympia); GRADE not reported.

1 finding from 1 review

Potassium nitrate/dimethyl isosorbide/polycarboxylate cement (KNO3/DMI/PCa) vs Potassium nitrate/polycarboxylate cement (KNO3/PCa)

Clinical success (absence of periapical pathology, tenderness to pressure and fistula formation) at 24 months · Adults with asymptomatic teeth with vital carious pulp exposures
1 finding from 1 review
  • Hodosh 2003 (Analysis 3.1): all 18 patients receiving KNO3/DMI/PCa responded favourably (0/18 developed clinical symptoms) versus 9/17 in the KNO3/PCa group; symptomatic teeth required endodontic therapy or extraction.…
    1 study · 35 participants
    GRADE not reported

Potassium nitrate/dimethyl isosorbide/polycarboxylate cement (KNO3/DMI/PCa) vs Polycarboxylate cement (PCa) alone

Clinical success (absence of periapical pathology, tenderness to pressure and fistula formation) at 24 months · Adults with asymptomatic teeth with vital carious pulp exposures
1 finding from 1 review
  • Hodosh 2003 (Analysis 3.1): all 18 patients receiving KNO3/DMI/PCa responded favourably (0/18 developed clinical symptoms) versus 10/12 in the PCa group. "The results in groups two and three were statistically…
    1 study · 30 participants
    GRADE not reported

Experimental adhesive containing ammonium-based methacrylate monomer (MADQUAT) vs Conventional/control orthodontic adhesive (e.g., Transbond XT) or negative control

Enamel remineralization / carious lesion development · Human enamel specimens around orthodontic brackets (in vitro)

In vitro, an ammonium-based methacrylate-containing adhesive showed significant remineralization/anti-demineralization versus control in a single study (ungraded).

1 finding from 1 review

Coated superelastic NiTi wire (BioCosmetic, Titanol, TP Aesthetic or Tooth Tone) vs A different coated superelastic NiTi wire

Alignment rate · People receiving orthodontic treatment with fixed appliances (upper and/or lower full arch)
1 finding from 1 review

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 teeth of children or…
17 findings from 1 review
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Radiographic imaging methods (any: analogue radiographs, digital radiographs, or 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 teeth of children or…
17 findings from 1 review
Show 14 more findings

Radiographic imaging methods (any: analogue radiographs, digital radiographs, or CBCT) vs Reference standard (histology, excavation, or enhanced visual examination)

Diagnostic accuracy on surfaces with pit and fissure sealants · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted teeth of children or…

The review found no eligible studies for this question.

1 finding from 1 review
  • Imaging modalities to inform the detection and diagnosis of early caries 2021 · Cochrane All outcomes
    Up to 3 months between index test and reference standard (in vivo studies) · Pit and fissure sealants
    Pre-specified heterogeneity investigation of surfaces with pit and fissure sealants: no study reported the inclusion of sealants that would allow evaluation of early caries lesions.
    0 studies
    No studies found

Radiographic imaging methods (any: analogue radiographs, digital radiographs, or CBCT) vs Reference standard (histology, excavation, or enhanced visual examination)

Diagnostic accuracy in previously restored teeth (secondary caries) · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted teeth of children or…

The review found no eligible studies for this question.

1 finding from 1 review
  • Imaging modalities to inform the detection and diagnosis of early caries 2021 · Cochrane All outcomes
    Up to 3 months between index test and reference standard (in vivo studies) · Restorations (secondary caries)
    Pre-specified heterogeneity investigation of teeth with previously applied restorations (secondary caries): no study intentionally included restored teeth in its sample. Studies evaluating secondary caries were…
    0 studies
    No studies found

Depot corticosteroids (systemic; 40 mg methylprednisolone IM every 3 weeks for 27 weeks) vs placebo injection

Mean number of oral ulcers · People with Behcet's disease with a history of recurrent oral aphthous-type (RAS-type) ulcers diagnosed clinically; primary care

Depot corticosteroids (systemic; 40 mg methylprednisolone IM every 3… showed no clear difference in mean number of oral ulcers compared with placebo (saline IM injection); GRADE not reported.

1 finding from 1 review

No dentinal caries removal (caries sealed under a preformed metal crown or restoration without removing dentinal caries) vs Complete caries removal

Restoration failure · Patients with carious teeth, affecting any tooth surface(s), in unrestored primary and permanent teeth

No dentinal caries removal (caries sealed under a preformed metal… probably leads to lower failure of restorations compared with complete caries removal (moderate certainty).

1 finding from 1 review

No dentinal caries removal (caries sealed under a preformed metal crown or restoration without removing dentinal caries) vs Complete caries removal

Signs or symptoms of pulpal disease · Patients with carious teeth, affecting any tooth surface(s), in unrestored primary and permanent teeth

No dentinal caries removal (caries sealed under a preformed metal… showed no clear difference in signs or symptoms of pulpal disease compared with complete caries removal (moderate certainty).

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Number of ibuprofen tablets required · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in number of ibuprofen tablets required compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Percussion pain at 24 hours · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in percussion pain at 24 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

2 findings from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Pain at 24 hours · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

It is very uncertain whether postoperative systemic antibiotics… changes pain at 24 hours compared with matched placebo, partial or total chemo-mechanical debridement and… (very low certainty).

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Swelling (mean) · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in swelling at 48 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

4 findings from 1 review
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Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Pain at 48 hours · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

Postoperative systemic antibiotics… showed no clear difference in pain at 48 hours compared with matched placebo, partial or total chemo-mechanical debridement and…; GRADE not reported.

1 finding from 1 review

Postoperative systemic antibiotics (phenoxymethylpenicillin/penicillin VK, 7-day course), partial or total chemo-mechanical debridement and analgesics vs Matched placebo, partial or total chemo-mechanical debridement and analgesics

Pain at 72 hours · Adults with a symptomatic necrotic tooth or localised acute apical abscess (no signs of spreading infection or systemic involvement)

It is very uncertain whether postoperative systemic antibiotics… changes pain at 72 hours compared with matched placebo, partial or total chemo-mechanical debridement and… (very low certainty).

1 finding from 1 review