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Evidence found and GRADE certainty

26 questions · 29 findings · 2 reviews

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No studies found 0 · 0%GRADE not reported 22 · 75.9%Very low 0 · 0%Low 7 · 24.1%Moderate 0 · 0%High 0 · 0%

M2 Demirjian stages F-G vs M2 Demirjian stages E-D

Spontaneous space closure · Children and adolescents with maxillary permanent first molar extraction

In the maxilla, M2 Demirjian stages F-G were not associated with a statistically significant difference in space closure odds.

1 finding from 1 review

Dental crowding present vs Dental spacing present

Spontaneous space closure · Children and adolescents after extraction of a mandibular permanent first molar (before eruption of the second molar)

One study found space closure more likely with crowding than spacing (OR 5.9; single study; not GRADE-rated).

1 finding from 1 review

Second molar at Demirjian stage A-D at extraction vs Second molar at Demirjian stage F-H at extraction

Spontaneous space closure · Children and adolescents with maxillary permanent first molar extraction

In the maxilla, M2 Demirjian stages A-D were not associated with a statistically significant difference in space closure odds.

1 finding from 1 review