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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