Dental crowding in primary dentition and its relationship to arch and crown dimensions

Hung Huey Tsai

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Purpose: The purpose of this study was to compare dental arch size, mesiodistal and buccolingual crown widths, and crown shapes between 2 groups of children, 1 with anterior crowding in both dental arches and another with anterior spacing in both dental arches. Methods: Sixty-one sets (27 crowded and 34 spaced arches) of dental casts of normal occlusions were examined. Results: For both lower and upper arches, crowded arches had statistically significantly smaller arch widths than did the spaced arches. The buccolingual width of the upper second primary molar of the crowded arches was statistically significantly larger than that of the spaced arches. However, there were little significant differences between crowded and spaced arches in arch length, mesiodistal crown width, and crown shape. Conclusions: It can be concluded that the factor that determines whether a primary dental arch is crowded is the absolute width of the arch.

Original languageEnglish
Pages (from-to)164-169
Number of pages6
JournalJournal of Dentistry for Children
Volume70
Issue number2
Publication statusPublished - May 2003
Externally publishedYes

Keywords

  • Arch width
  • Dental crowding
  • Primary dentition

ASJC Scopus subject areas

  • Dentistry(all)

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