Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

95 questions · 111 findings · 12 reviews

No studies found 42 · 37.8%GRADE not reported 20 · 18%Very low 22 · 19.8%Low 19 · 17.1%Moderate 8 · 7.2%High 0 · 0%

Psychological therapy vs enhanced or structured care

Secondary outcome: acceptability of treatment · people with somatoform disorders and medically unexplained physical symptoms

Psychological therapy showed no clear difference in acceptability 1 ‐ proportion of participants withdrawing during… compared with enhanced or structured care (moderate certainty).

1 finding from 1 review

CBT vs No special instructions (control)

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

Cognitive behavioural therapy (CBT) led to lower patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no special instructions (control); GRADE not reported.

3 findings from 1 review

Low‐level laser therapy vs Placebo (or no irradiation)

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

Low‐level laser therapy (LLLT) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with placebo (or no irradiation); GRADE not reported.

5 findings from 1 review
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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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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
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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

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

Intervention not reported

Physical well‐being SF‐36 Physical Component Summary Score 0 to 100, higher scores indicate higher levels of physical well‐being Immediately post‐intervention · Cancer patients with cognitive impairment due to systemic cancer treatment
1 finding from 1 review

Intervention not reported

Physical well‐being SF‐36 Physical Component Summary Score 0‐100, higher scores indicate higher levels of physical well‐being Two‐months post‐intervention · Cancer patients with cognitive impairment due to systemic cancer treatment
1 finding from 1 review

Intervention not reported

Psychological well‐being SF‐36 Mental Component Summary Score 0 to 100, higher scores indicate higher levels of physical well‐being Immediately post‐intervention · Cancer patients with cognitive impairment due to systemic cancer treatment
1 finding from 1 review

Intervention not reported

Psychological well‐being SF‐36 Mental Component Summary Score 0 to 100, higher scores indicate higher levels of physical well‐being Two‐months post‐intervention · Cancer patients with cognitive impairment due to systemic cancer treatment
1 finding from 1 review