Findings

What do systematic reviews say?

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

2,916 questions · 3,207 findings · 167 reviews · related questions CL0289

No studies found 596 · 18.6%GRADE not reported 1,666 · 51.9%Very low 603 · 18.8%Low 252 · 7.9%Moderate 78 · 2.4%High 12 · 0.4%

20% CP gel in tray vs 7.5% HP 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 20% CP gel in tray changes tooth whitening - assessed by the dentist compared with 7.5% HP gel in tray (very low certainty).

2 findings from 1 review

Single-stage alginate impression (simplified method) vs Two stage-two step elastomer (silicone, polysulfide, or polyether) conventional method

Mandibular denture satisfaction · Completely edentulous people

It is very uncertain whether single-stage alginate impression (simplified method) changes mandibular denture satisfaction compared with two stage-two step elastomer (silicone, polysulfide, or polyether)… (very low certainty).

1 finding from 1 review

Chemical cured composite vs Light-cured compomer (polyacid-modified composite resin)

Decalcification · 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
    However the paper reported that the compomer offered better protection against decalcification when compared by a sign test (P = 0.0075) (Millett 2000). No effect estimate or confidence interval was reported.
    1 study · 45 participants
    GRADE not reported

5.3% HP strip vs 5% HP 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 5.3% HP strip changes tooth whitening - assessed by the dentist compared with 5% HP gel in tray (very low certainty).

1 finding from 1 review

6% HP strip vs 19% SPC paint-on film

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

6% HP strip led to higher tooth whitening - assessed by the dentist compared with 19% SPC paint-on film; GRADE not reported.

1 finding from 1 review

5% CP gel in tray (with STPP) vs placebo

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 5% CP gel in tray (with STPP) changes tooth whitening - assessed by the dentist compared with placebo (very low certainty).

1 finding from 1 review

4% articaine, 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 4% articaine, 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

2% lidocaine, 1:50,000 epinephrine vs 2% lidocaine, 1:80,000 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, 1:50,000 epinephrine changes success of local anaesthesia (pulpal, electric pulp tester; healthy… compared with 2% lidocaine, 1:80,000 epinephrine (very low certainty).

1 finding from 1 review

10% CP gel in tray vs 10% 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 10% CP gel in tray (Opalescence) changes tooth whitening - assessed by the dentist compared with 10% CP gel in tray (NiteWhite Excel) (very low certainty).

1 finding from 1 review

Sedation

Outcome not reported · Medically compromised children (ASA III+) or children with learning/behavioural difficulties needing dental treatment

The review found no eligible studies for this question.

1 finding from 1 review
  • 'Some of the techniques described may be useful in the management of medically compromised patients, but at present there are no studies carried out in these groups.' (Discussion) Explicit evidence gap.
    0 studies
    No studies found

2% lidocaine, 1:80,000 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, 1:80,000 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

Maxillary distraction osteogenesis vs Orthognathic surgery (conventional Le Fort I osteotomy)

Midfacial soft tissue changes (facial profile landmarks: pronasale, subnasale, stomion superius, labrale superius) · Adolescents or adults (15 years or older) with an established diagnosis of complete cleft lip and alveolar process, or complete unilateral…

Maxillary distraction osteogenesis showed no clear difference in midfacial soft tissue changes (facial profile landmarks: pronasale,… compared with orthognathic surgery (conventional Le Fort I osteotomy); GRADE not reported.

1 finding from 1 review

Biodentine vs Diode laser

Outcome not reported · Children with extensive decay involving the dental pulp in primary teeth
1 finding from 1 review
  • Pulp treatment for extensive decay in primary teeth 2018 · Cochrane All outcomes
    6 months
    Assessed pain, soft tissue, mobility, radiolucency, root resorption, premature tooth loss (Niranjani 2015); no clinical/radiological failure outcome; RR 2.00 (0.20 to 20.33)
    1 study · 40 participants
    GRADE not reported

Self-etch adhesive + acetone-based total-etch adhesive vs Calcium hydroxide (CH)

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

It is very uncertain whether self-etch adhesive + acetone-based total-etch adhesive changes clinical failure compared with calcium hydroxide (CH) (very low certainty).

1 finding from 1 review

GTR rm associated with bone substitutes + CAF vs GTR rm + CAF

Attachment change · Adult patients with single (localised) recession-type defects (Miller Class I/II, at least 3 mm)

GTR rm associated with bone substitutes + CAF showed no clear difference in clinical attachment level change compared with GTR rm + CAF; GRADE not reported.

1 finding from 1 review

Biodentine vs Tempophore

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

Biodentine showed no clear difference in clinical failure compared with tempophore; GRADE not reported.

1 finding from 1 review

Total-etching 36% phosphoric acid + acetone-based total-etch adhesive vs Non-rinse conditioner + acetone-based total-etch adhesive

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

It is very uncertain whether total-etching 36% phosphoric acid + acetone-based total-etch adhesive changes clinical failure compared with non-rinse conditioner + acetone-based total-etch adhesive (very low certainty).

1 finding from 1 review