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Evidence found and GRADE certainty

488 questions · 529 findings · 33 reviews · Orthodontics · related questions CL0289

No studies found 117 · 22.1%GRADE not reported 263 · 49.7%Very low 65 · 12.3%Low 60 · 11.3%Moderate 21 · 4%High 3 · 0.6%

Open surgical exposure vs Closed surgical exposure

Aesthetics of the treated canine compared with the untreated contralateral canine · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)
1 finding from 1 review

Bonded molar tubes (attached with adhesive) vs Molar bands (cemented, e.g. with glass ionomer cement)

First time failure at tooth level · Participants with full arch fixed orthodontic appliance(s) with molar tubes bonded to first or second permanent molars; excludes prior…

Bonded molar tubes (attached with adhesive) led to higher first time failure at tooth level compared with molar bands (cemented, e.g. with glass ionomer cement); GRADE not reported.

1 finding from 1 review

Open surgical exposure vs Closed surgical exposure

Clinical attachment level (CAL) · People with maxillary palatally displaced (impacted) canines, unilateral or bilateral (children/adolescents; mean ages 14.2 to 17.5 years)

Open surgical exposure showed no clear difference in gum health: clinical attachment level (CAL) compared with closed surgical exposure (low certainty).

1 finding from 1 review

Experimental chewing adjuncts (bite wafers or chewing gum) vs No chewing gum, placebo, or control (no adjunct)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents/teenagers undergoing orthodontic treatment

Experimental chewing adjuncts (bite wafers or chewing gum) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no chewing gum, placebo, or control (no adjunct); GRADE not reported.

5 findings from 1 review
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Chemically cured zinc phosphate cement vs Glass ionomer cement (GIC)

Band failure (band adhesive loosening) · Patients with full arch fixed orthodontic appliances with bands attached to molars (patients with cleft lip/palate or other craniofacial…
1 finding from 1 review
  • Adhesives for fixed orthodontic bands 2016 · Cochrane All outcomes
    Approximately 12 months (to end of treatment)
    No meta-analysis (band failure not reported on a per-patient basis). Durning 1989 (69 participants): at ~12 months failure rate 34.78% (zinc phosphate) vs 26% (glass ionomer), P > 0.05; mean survival time 470.9 vs…
    4 studies
    GRADE not reported

Post‐treatment communication (text messaging) vs No communication (no text message)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
1 finding from 1 review

Vibratory stimulation (vibratory adjuncts) vs No vibration or placebo vibration

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults undergoing orthodontic treatment

Vibratory stimulation (vibratory adjuncts) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no vibration or placebo vibration; GRADE not reported.

5 findings from 1 review
Show 2 more findings

Zinc polycarboxylate cement vs Any other orthodontic band adhesive

Outcome not reported · Patients with full arch fixed orthodontic appliances with bands attached to molars (patients with cleft lip/palate or other craniofacial…

The review found no eligible studies for this question.

1 finding from 1 review

Brain wave music (BWM) vs No special instructions (control)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adults undergoing orthodontic treatment

Brain wave music (BWM) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no special instructions (control); GRADE not reported.

3 findings from 1 review

Chemically cured zinc phosphate cement vs Glass ionomer cement (GIC)

Decalcification · Patients with full arch fixed orthodontic appliances with bands attached to molars (patients with cleft lip/palate or other craniofacial…
1 finding from 1 review
  • Adhesives for fixed orthodontic bands 2016 · Cochrane All outcomes
    Approximately 12 months (to end of treatment)
    No statistical analysis. Kvam 1983 (28 participants): 4 teeth affected by small decalcification spots (reversed by polishing and fluoride), all with the zinc phosphate cement. Galarraga 2003 (40 participants): 8…
    2 studies · 68 participants
    GRADE not reported

Psychological intervention: structured telephone call (verbal follow‐up and reassurance) vs placebo or no intervention

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

The review found no eligible studies for this question.

1 finding from 1 review

Vibratory stimulation (vibratory adjuncts) vs No vibration or placebo vibration

Dose/intensity and frequency of pain relief needed (analgesic/rescue medication use) · Adolescents and adults undergoing orthodontic treatment

Vibratory stimulation (vibratory adjuncts) led to lower dose/intensity and frequency of pain relief needed (analgesic/rescue… compared with no vibration or placebo vibration; GRADE not reported.

1 finding from 1 review

Zinc silicophosphate cement vs Any other orthodontic band adhesive

Outcome not reported · Patients with full arch fixed orthodontic appliances with bands attached to molars (patients with cleft lip/palate or other craniofacial…

The review found no eligible studies for this question.

1 finding from 1 review

Experimental chewing adjuncts (bite wafers or chewing gum) vs No chewing gum, placebo, or control (no adjunct)

Dose/intensity and frequency of pain relief needed (analgesic/rescue medication use) · Adolescents/teenagers undergoing orthodontic treatment
1 finding from 1 review

Orthodontic appliances (palatal crib) vs no treatment

Occlusion (change in maxillary arch length, short term) · Children with a non-nutritive sucking habit (digit or pacifier)
1 finding from 1 review