Second molar at Demirjian stage A-D at extraction vs Second molar at Demirjian stage G-H at extraction: Spontaneous space closure
- Population
- Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)
- Intervention
- Second molar at Demirjian stage A-D at extraction
- Comparison
- Second molar at Demirjian stage G-H at extraction
- Outcome
- Spontaneous space closure
In the mandible, Demirjian stage A-D vs G-H was not significantly associated with space closure (OR 2.75; not GRADE-rated).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Second molar at Demirjian stage A-D at extraction vs Second molar at Demirjian stage G-H at extraction Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar) · Until eruption of the permanent second molar (median follow-up 4.0 years), University clinics and hospitals in 8 countries (children/adolescents <18 years), Mandible In the mandible, Demirjian stage A-D vs G-H was not significantly associated with space closure (OR 2.75; not GRADE-rated). Spontaneous space closure after extraction of permanent first molars in children and adolescents: a… (2024) All outcomes | OR 2.75 [0.50, 15.10] | 3 studies | GRADE not reported |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Spontaneous space closure after extraction of permanent first molars in children and adolescents: a systematic review and meta-analysis. 2024 All outcomes | February 2024 | 18 | Not applicable |
Related questions
The same intervention and outcome, asked in another population or against another comparator.
- Second molar at Demirjian stage A-D at extraction vs Second molar at Demirjian stage F-H at extraction · Children and adolescents with maxillary permanent first molar extraction · 1 review
- Second molar at Demirjian stage A-D at extraction vs Second molar at Demirjian stage F-H at extraction · Children and adolescents after extraction of a mandibular permanent first molar (before… · 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.