evidencegaps
Primary study · included by 1 review

Relationship between maxillary and mandibular base lengths and dental crowding in patients with complete Class II malocclusions.

Janson 2011 · Janson Guilherme, Goizueta Oscar Edwin Francisco Murillo, Garib Daniela G, et al. · The Angle orthodontist · 2011

Included by

Association between Maxillary and Mandibular Length and Crowding in Classes 1, 2, and 3 Skeletal Malocclusion: A Systematic Review and Meta-analysis.
Non-Cochrane · aetiology · 2025 · cited as Janson et al. 2011 · Table 2; Table 3; Figures 2-4
Outcome this study informsPooled effectEvidenceCertainty
Maxillary crowding
Mandibular crowding >3 mm (group I) vs Mandibular crowding <3 mm (group II) · Pretreatment (cross-sectional)
MD 4.08 [1.61, 6.56]2 studies · 140 participantsLow
Maxillary length (Co-A)
Mandibular crowding >3 mm (group I) vs Mandibular crowding <3 mm (group II) · Pretreatment (cross-sectional)
MD -1.97 [-6.59, 2.66]2 studies · 140 participantsLow
Mandibular length (Co-Gn)
Mandibular crowding >3 mm (group I) vs Mandibular crowding <3 mm (group II) · Pretreatment (cross-sectional)
MD -4.00 [-5.69, -2.32]2 studies · 140 participantsLow

1 including review in total.