Findings

What do systematic reviews say?

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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%

Self etching primer (one-step etchant-and-primer technique) vs Conventional etchants (two-step etch and prime method using 37% phosphoric acid)

Participant satisfaction · Children and adults with fixed orthodontic brackets bonded to incisors, canines and premolars

The review found no eligible studies for this question.

1 finding from 1 review

Brush biopsy (oral cytology) vs No screening

Outcome not reported · Planned population: general population or high-risk / opportunistic screening groups (no eligible study)

The review found no eligible studies for this question.

1 finding from 1 review

Dental repositioning vs Spontaneous re-eruption, orthodontic repositioning, or surgical repositioning

Outcome not reported · Patients (mainly children and young adults) with a history of dental trauma and a diagnosis of luxation (intrusion, extrusion, or lateral…

The review found no eligible studies for this question.

1 finding from 1 review

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

Overall survival · Patients diagnosed with head and neck cancer planned to undergo any type of radiotherapy (external beam, intensity modulated,…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Another (different) intraoral distalising appliance

Movement of upper first molars (mm) · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…
1 finding from 1 review

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

Delay in start of radiation treatment · Patients diagnosed with head and neck cancer planned to undergo any type of radiotherapy (external beam, intensity modulated,…

The review found no eligible studies for this question.

1 finding from 1 review

Immediate mobilization vs 2 weeks delayed mobilization (IMF)

Average pain scores (0-100 VAS) · Adults with mandibular fractures excluding condyles (fixed with 2 mm titanium miniplates)
1 finding from 1 review
  • Pain (scale 1 to 10) was minor in both groups with no significant differences (Table 4): 6 weeks 1.55 vs 1.20; 3 months 1.00 vs 2.64; 6 months 1.30 vs 2.71 (immediate release vs IMF). 95% confidence interval not…
    1 study
    GRADE not reported

Locking plate vs 2 mm non-locking titanium plates

Drop-out rate due to protocol deviation · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement
1 finding from 1 review
  • Early premature removal of IMF (from hours up to 2 weeks) was reported in 13 of the 90 participants analysed (Collins 2004); participants released their own IMF or reported that "the wires fell off".
    1 study · 90 participants
    GRADE not reported

Intraoral distalising appliance vs Headgear (extraoral appliance)

Overjet · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

Intraoral distalising appliance may leads to higher change in overjet (mm) compared with headgear (extraoral appliance) (low certainty).

1 finding from 1 review

2 mm titanium plates vs 2.5 mm bioresorbable plates

Post-operative pain (residual pain, any severity) · Adults (16 to 68 years) with mandibular fractures excluding condylar involvement

2 mm titanium plates showed no clear difference in post-operative pain (residual pain, any severity) compared with 2.5 mm bioresorbable plates; GRADE not reported.

1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Aesthetics · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Headgear (extraoral appliance)

Number of visits to complete treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

PDHA program vs Baseline pre-intervention service-delivery scenario

School-based oral health promotion services · Alaska children

The PDHA program was projected to raise school-based oral health promotion service receipt from 53% to more than 90%, without a GRADE rating.

1 finding from 1 review

Zygomatic implants for retaining a maxillary obturator vs Non-implant retained obturators, local and regional flaps, or microvascular free flaps

Outcome not reported · Patients requiring maxillary reconstruction after partial or total maxillectomy (cancer patients)

The review found no eligible studies for this question.

1 finding from 1 review

Electrostimulation (device) vs Placebo (sham/placebo device)

Unstimulated whole saliva (UWS) · Adults with dry mouth due to Sjogren's Syndrome

It is very uncertain whether electrostimulation (device) changes unstimulated whole saliva (UWS) compared with placebo (sham/placebo device) (very low certainty).

1 finding from 1 review