Question · asked by 1 review
Low‐level laser therapy vs Placebo (sham) laser therapy: Maximum pain (verbal rating scale, VRS)
- Population
- People requiring retreatment of periapical lesions (failed root canal therapy)
- Intervention
- Low‐level laser therapy
- Comparison
- Placebo (sham) laser therapy
- Outcome
- Maximum pain (verbal rating scale, VRS)
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Low energy level laser therapy (LLLT) vs Placebo (sham irradiation, laser inactive) Maximum pain (verbal rating scale, VRS) · People requiring retreatment of periapical lesions (failed root canal therapy) · first postoperative week Endodontic procedures for retreatment of periapical lesions (2016) · Cochrane All outcomes | Maximum pain (VRS): 0 per 1000 (placebo) vs 0 per 1000 (LLLT); effect not estimable; 52 participants. No high-pain events in either group. | 1 study · 52 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Endodontic procedures for retreatment of periapical lesions 2016 · Cochrane All outcomes | 2016-02-10 | Not listed | Not assessed |
Related questions
The same intervention and outcome, asked in another population or against another comparator.
- Low‐level laser therapy vs Control (no laser device used) · People requiring retreatment of periapical lesions (failed root canal therapy) · 1 review
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.