Stability: Little's Irregularity Index (upper arch) · People who had received fixed appliance orthodontic treatment
Upper fixed (bonded) retainer led to lower stability: Little's Irregularity Index (upper arch) compared with no retention; GRADE not reported.
1 finding from 1 review
Total mortality · Adults with oral cavity or oropharyngeal cancer
1 finding from 1 review
Total mortality: study reported survival significantly better with surgery and RT vs chemoradiotherapy, but no useable data; 32 participants (1 RCT, Iyer 2015 oral cavity subgroup).
1 study · 32 participants
Very low
Orthodontic tooth movement (OTM) during alignment stage · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review
Rate of orthodontic tooth movement (OTM) during space closure stage (en masse, mm/month) · 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 (OTM) during space closure stage… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Disease-free survival · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes
1 finding from 1 review
Disease-free survival: Pandey 2018 reported 83% (superselective) vs 91% (selective) at median 36 months, not significant (P=0.69); unable to analyse (variable follow-up); 32 participants (1 RCT).
1 study · 32 participants
Very low
Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review
Improvement in occlusion (Peer Assessment Rating (PAR) or other validated scale) · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
1 finding from 1 review
Woodhouse 2015 (81 participants, 22 dropouts): PAR reduction intervention median 28.0 (IQR 21.0-38.0), control median 29.0 (IQR 24.0-31.0), placebo median 27.0 (IQR 20.0-35.0); percentage improvement medians 88.9 /…
1 study · 59 participants
GRADE not reported
Patient-reported need for analgesics · Adolescents and adults with malocclusion undergoing orthodontic treatment with fixed or removable appliances
Light vibrational forces (LVF) showed no clear difference in patient-reported need for analgesics during first week of initial… compared with conventional orthodontic appliance treatment (placebo or no adjunct) (low certainty).
1 finding from 1 review
Total mortality · Adults with oral cavity or oropharyngeal cancer with nodal disease (stage N2 or N3)
PET-CT following chemoradiotherapy (neck dissection only if… showed no clear difference in total mortality compared with planned neck dissection before or after chemoradiotherapy (moderate certainty).
1 finding from 1 review
Stability: Little's Irregularity Index (lower arch) · People who had received fixed appliance orthodontic treatment
Upper clear plastic retainer + lower interproximal reduction… led to lower stability: Little's Irregularity Index (lower arch) compared with positioner; GRADE not reported.
1 finding from 1 review
Total mortality · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes
The review found no eligible studies for this question.
1 finding from 1 review
Total number of orthodontic appliance adjustment appointments during treatment · Adolescents and adults with malocclusion undergoing fixed orthodontic appliance treatment
The review found no eligible studies for this question.
1 finding from 1 review
Disease-free survival · Adults with oral cavity or oropharyngeal cancer
The review found no eligible studies for this question.
1 finding from 1 review
Total mortality · Adults with oral cavity or oropharyngeal cancer
Sentinel node biopsy (neck dissection only if biopsy positive) showed no clear difference in total mortality compared with elective neck dissection (low certainty).
1 finding from 1 review
Patient satisfaction: discomfort/pain (lower arch) · People who had received fixed appliance orthodontic treatment
The review found no eligible studies for this question.
1 finding from 1 review
Patient satisfaction: discomfort/pain (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether part-time clear plastic (removable) retainer changes patient satisfaction: discomfort/pain (lower arch) compared with any type of fixed (bonded) retainer (very low certainty).
1 finding from 1 review
Recurrence · Adults with oral cavity or oropharyngeal cancer
The review found no eligible studies for this question.
1 finding from 1 review
Disease-free survival · Adults with oropharyngeal cancer
Surgery showed no clear difference in disease-free survival (new disease, progression, and mortality) compared with radiotherapy alone (low certainty).
1 finding from 1 review
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
Recurrence · Adults with oropharyngeal cancer
The review found no eligible studies for this question.
1 finding from 1 review