Vol. 4, Issue 9, Part C (2018)

Abstract
Dental crowding can be defined as a disparity in the relationship between tooth size and jaw size which resulting imbrications and rotation of teeth. Eight pairs of study models were used in this study. Each study model met the following criteria: all permanent teeth with the exception of the molars were present in both the maxillary and mandibular arches and these was no history of previous orthodontic treatment.