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Table 1 Literature review about the relationship between displaced/impacted maxillary canines and the intermolar width

From: Early diagnosed impacted maxillary canines and the morphology of the maxilla: a three-dimensional study

Authors Participants Controls Mean age of participants (years) Mean age of controls (years) Methods of measurement Association between IMW and PDC
Hong et al. [17] PDC Not PDC 18.2 18.1 CBCT No association
Yan et al. [16] PDC-BDC Not PDC-BDC 21.0 Matched with participants CBCT No association
Kim et al. [15] PDC BDC 12.8 12.1 Dental casts Decreased IMW associated with PDC
Schindel and Duffy [14] PXB Not PXB 9.5 9.9 Dental casts Decreased IMW associated with PDC
Saiar et al. [13] PDC Not PDC 12.2 12.2 Dental casts No association
Al-Nimri and Gharaibeh [12] PDC Not PDC 17.7 Matched with participants Dental casts Increased IMW associated with PDC
Langberg and Peck [7] PDC Not PDC 13.6 Matched with participants Dental casts No association
McConnell et al. [11] PDC or BDC Not PDC-BDC Dental casts No association
  1. PDC palatally displaced or impacted canines, BDC bucally displaced or impacted canines, PXB posterior crossbite, IMW width at maxillary first molar, CBCT TC cone beam