Question · asked by 1 review

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus) vs no treatment: Overjet

Population
Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion)
Intervention
Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus)
Comparison
no treatment
Outcome
Overjet

Non-surgical orthodontic treatment (any: facemask, chin cup, tandem… probably leads to higher overjet compared with no treatment (moderate certainty).

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
Non-surgical orthodontic treatment (any: facemask, chin cup, tandem traction bow, mandibular headgear, ORTA, reverse Twin Block, Reverse Forsus) vs No treatment
Overjet · Children and adolescents (aged 16 years or younger) with prominent lower front teeth (Class III malocclusion) · End of treatment (9 to 15 months)
Non-surgical orthodontic treatment (any: facemask, chin cup, tandem… probably leads to higher overjet compared with no treatment (moderate certainty).
Orthodontic treatment for prominent lower front teeth (Class III malocclusion) in children (2024) · Cochrane All outcomes
MD 5.03 [3.81, 6.25]4 studies · 184 participantsModerate

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Orthodontic treatment for prominent lower front teeth (Class III malocclusion) in children
2024 · Cochrane All outcomes
2023-01Not listedNot 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.