Question · asked by 1 review
Copper nickel-titanium archwire vs Nickel-titanium archwire: Amount of crowding
- Population
- Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth
- Intervention
- Copper nickel-titanium archwire
- Comparison
- Nickel-titanium archwire
- Outcome
- Amount of crowding
It is very uncertain whether copper nickel-titanium archwire changes amount of crowding (Little's Irregularity Index) at 12 weeks compared with nickel-titanium archwire (very low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Copper nickel-titanium archwire vs Nickel-titanium archwire Amount of crowding (Little's Irregularity Index) at 12 weeks · Children or adolescents (aged 16 years old or under) receiving orthodontic treatment to prevent or correct crowded teeth · 12 weeks It is very uncertain whether copper nickel-titanium archwire changes amount of crowding (Little's Irregularity Index) at 12 weeks compared with nickel-titanium archwire (very low certainty). Orthodontic treatment for crowded teeth in children (2021) · Cochrane All outcomes | MD 0.49 [0.35, 0.63] | 1 study · 66 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Orthodontic treatment for crowded teeth in children 2021 · Cochrane All outcomes | 2021-01 | Not listed | Not assessed |
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.