Survival: mean survival time (lower arch, months) · People who had received fixed appliance orthodontic treatment
The review found no eligible studies for this question.
1 finding from 1 review
Rate of orthodontic tooth movement with removable orthodontic aligners · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in rate of orthodontic tooth movement with removable orthodontic aligners compared with conventional orthodontic appliance treatment (placebo or no adjunct); GRADE not reported.
1 finding from 1 review
Rate of orthodontic tooth movement during space closure stage (maxillary canine distalisation), mm/day · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
It is very uncertain whether light-emitting diode (LED) photobiomodulation changes rate of orthodontic tooth movement during space closure stage… compared with conventional orthodontic appliance treatment (very low certainty).
1 finding from 1 review
White spot lesion clinical score (mean values), subject level · Healthy adolescents and adults undergoing orthodontic treatment with fixed multi-bracket appliances
In a pooled analysis of two placebo-controlled trials, fluoride varnish also reduced white spot lesion clinical scores (pooled SMD -0.44, 95% CI -0.64 to -0.24); this secondary outcome was not separately GRADE-rated.
1 finding from 1 review
Orthodontically-induced inflammatory root resorption (OIIRR) during molar intrusion · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
1 finding from 1 review
Cariogenic bacteria (Mutans streptococci) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
Probiotic mouthwash has inconsistent effects on Mutans streptococci colony counts versus blank control; the evidence is very uncertain (very low certainty).
1 finding from 1 review
Orthodontic tooth movement (OTM) during alignment stage · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in orthodontic tooth movement (OTM) during alignment stage (reduction… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Harms: non-serious adverse effects (headache, discomfort, loosening of temporary anchorage devices) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in harms: non-serious adverse effects (headache, discomfort, loosening… compared with conventional orthodontic appliance treatment (placebo or no adjunct); GRADE not reported.
1 finding from 1 review
Gingival index (GI) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
Chlorhexidine mouthwash probably reduces the Gingival Index versus placebo in the short term (WMD -0.45, 95% CI -0.70 to -0.20; low certainty).
1 finding from 1 review
Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether fibre-reinforced composite fixed (bonded) retainer changes stability: Little's Irregularity Index (lower arch) compared with multistrand / spiral wire fixed (bonded) retainer (very low certainty).
1 finding from 1 review
Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether CAD/CAM nitinol fixed (bonded) retainer changes stability: Little's Irregularity Index (lower arch) compared with conventional/analogue multistrand fixed (bonded) retainer (very low certainty).
1 finding from 1 review
Overall treatment time wearing orthodontic appliances · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in duration of orthodontic treatment compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Total number of orthodontic appliance adjustment appointments during treatment · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in total number of orthodontic appliance adjustment appointments during… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether full-time wear of removable retainer (any type) changes stability: Little's Irregularity Index (lower arch) compared with part-time wear of removable retainer (any type) (very low certainty).
1 finding from 1 review
Poor oral health-related quality of life (OHRQoL) · Adolescents (10-19 years)
Malocclusions probably have a negative effect on OHRQoL in adolescents, after adjustment for confounders (moderate certainty).
1 finding from 1 review
Impaired OHRQoL, qualitative synthesis: relative effect not estimable across the 13 studies (13,864 participants); moderate quality of evidence (GRADE).
13 studies · 13864 participants
Moderate
Adverse effects on oral health: gingival bleeding (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether full-time clear plastic (removable) retainer changes adverse effects on oral health: gingival bleeding (lower arch) compared with any type of fixed (bonded) retainer (very low certainty).
1 finding from 1 review
Plaque · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)
Herbal mouthwash reduced several plaque-related indices, but certainty is very low.
1 finding from 1 review
Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether full-time clear plastic (removable) retainer changes stability: Little's Irregularity Index (lower arch) compared with any type of fixed (bonded) retainer (very low certainty).
1 finding from 1 review
Total bacteria (colony count) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)
Chlorhexidine mouthwash may reduce total bacteria colony counts versus blank control in the short term, but the evidence is very uncertain (very low certainty).
1 finding from 1 review
Adverse effects on oral health: Gingival Index (lower arch) · People who had received fixed appliance orthodontic treatment
The review found no eligible studies for this question.
1 finding from 1 review