Search

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

3,032 questions · 3,358 findings · 190 reviews · related questions CL0289

No studies found 599 · 17.8%GRADE not reported 1,759 · 52.4%Very low 612 · 18.2%Low 269 · 8%Moderate 107 · 3.2%High 12 · 0.4%

Early treatment (two-phase) with headgear vs Late treatment (one-phase in adolescence) with headgear

Incidence of new incisal trauma · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase) with headgear may leads to lower incidence of new incisal trauma compared with late treatment (one-phase in adolescence) with headgear (low certainty).

1 finding from 1 review

14% HP strip vs 35% CP gel in tray

Tooth whitening - assessed by the dentist · Adults (>=18 years) undergoing home-based bleaching (including tetracycline- and smoking-stained teeth, any baseline shade)

It is very uncertain whether 14% HP strip changes tooth whitening - assessed by the dentist compared with 35% CP gel in tray (very low certainty).

1 finding from 1 review

0.5% bupivacaine, 1:200,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine

Success of local anaesthesia, absence of pain (clinical testing of healthy pulps, hard and soft tissues) · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario studies in which…

0.5% bupivacaine, 1:200,000 epinephrine showed no clear difference in success of local anaesthesia, absence of pain (clinical testing of… compared with 2% lidocaine, 1:100,000 epinephrine (low certainty).

1 finding from 1 review

Early treatment (two-phase: phase 1 in childhood, phase 2 in adolescence) with functional appliance vs Late treatment (one-phase in adolescence) with functional appliance

Incidence of new incisal trauma · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase: phase 1 in childhood, phase 2 in… probably leads to lower incidence of new incisal trauma compared with late treatment (one-phase in adolescence) with functional appliance (moderate certainty).

1 finding from 1 review

2% lidocaine, 1:200,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine

Success of local anaesthesia (pulpal, electric pulp tester; healthy pulps) · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario studies in which…

It is very uncertain whether 2% lidocaine, 1:200,000 epinephrine changes success of local anaesthesia (pulpal, electric pulp tester; healthy… compared with 2% lidocaine, 1:100,000 epinephrine (very low certainty).

1 finding from 1 review

Removable functional appliance vs Fixed functional appliance

Final ANB · Adolescents (age 12 to 16 years) receiving orthodontic treatment to correct prominent upper front teeth (Class II malocclusion)

Removable functional appliance may leads to lower final ANB compared with fixed functional appliance (low certainty).

1 finding from 1 review

Chemical cured composite vs Light cured composite

Bracket (bond) failure · Patients with fixed orthodontic appliances attached to their teeth
1 finding from 1 review
  • Adhesives for fixed orthodontic brackets 2018 · Cochrane All outcomes
    To end of appliance treatment
    Additional Table 1 summarises the proportion of bracket failures for a CC and LC composite with two different bracket bases (O'Brien 1989). The paper reported the results of applying a Mantel-Haenszel Chi2 test which…
    1 study · 52 participants
    GRADE not reported

Autologous platelet concentrates (APC) + open flap debridement (OFD) + bone graft (BG) vs OFD + BG (open flap debridement + bone graft)

Pocket closure (complete pocket closure) · Patients affected by infrabony defects requiring surgical treatment, regardless of their age or gender
1 finding from 1 review

2% mepivacaine, 1:100,000 epinephrine vs 2% lidocaine, 1:100,000 epinephrine

Success of local anaesthesia, absence of pain (clinical testing of diseased pulps with irreversible pulpitis) · Participants of any age and gender undergoing dental procedures, and volunteers who took part in simulated scenario studies in which…

2% mepivacaine, 1:100,000 epinephrine showed no clear difference in success of local anaesthesia, absence of pain (clinical testing of… compared with 2% lidocaine, 1:100,000 epinephrine (low certainty).

1 finding from 1 review

Early treatment (two-phase: phase 1 in childhood, phase 2 in adolescence) with functional appliance vs Late treatment (one-phase in adolescence) with functional appliance

Final overjet · Children (7 to 11 years) and adolescents (12 to 16 years) with prominent upper front teeth (Class II malocclusion)

Early treatment (two-phase: phase 1 in childhood, phase 2 in… led to lower final overjet compared with late treatment (one-phase in adolescence) with functional appliance; GRADE not reported.

2 findings from 1 review

ADMG + CAF vs SCTG + CAF

Aesthetic condition change related to patient's opinion · Adult patients with single (localised) recession-type defects (Miller Class I/II, at least 3 mm)

The review found no eligible studies for this question.

1 finding from 1 review

Mineral trioxide aggregate (MTA) vs Calcium hydroxide (CH)

Clinical failure · Children with extensive decay involving the dental pulp in primary teeth

Mineral trioxide aggregate (MTA) probably leads to lower clinical failure compared with calcium hydroxide (CH) (moderate certainty).

2 findings from 1 review

Composite (chemical or light cured) vs Resin-modified glass ionomer cement

Outcome not reported · Patients with fixed orthodontic appliances attached to their teeth

The review found no eligible studies for this question.

1 finding from 1 review
  • Adhesives for fixed orthodontic brackets 2018 · Cochrane All outcomes
    To end of appliance treatment
    No included studies involved a comparison with resin-modified glass ionomer cement (a planned adhesive group). The authors recommended future randomised controlled trials involving resin-modified light cured glass…
    0 studies
    No studies found