Morphological characteristics of the symphyseal region in adult skeletal class III crossbite and openbite malocclusions

Chooryung Judi Chung, Sinae Jung, Hyoung Seon Baik

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Objective: To evaluate the relationship of the morphological characteristics of the symphyseal region of adult Class III malocclusion to the differences in overjet and overbite. Materials and Methods: The basal and symphyseal widths along with the alveolar and symphyseal heights were evaluated using data from the lateral cephalograms of Korean adult male skeletal Class III, divided into crossbite (n = 28) and openbite (n = 41) groups. Korean male normal occlusion samples (n = 32) were used as controls. Results: The width of the symphyseal region including the basal width, point B width, Id width, symphyseal thickness, and pogonion width were similar in adult Class III crossbite and normal occlusion groups, but significantly less in the adult Class III openbite group (P < .001). The alveolar height was similar in the adult Class III crossbite and control groups, but significantly less in the adult Class III openbite group (P < .05). However, the symphyseal height was similar in all three groups. Conclusions: An openbite, rather than a negative overjet, is the major factor influencing the symphyseal morphology in an adult Class III malocclusion.

Original languageEnglish
Pages (from-to)38-43
Number of pages6
JournalAngle Orthodontist
Volume78
Issue number1
DOIs
Publication statusPublished - 2008 Jan 1

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Open Bite
Malocclusion
Overbite
Control Groups

All Science Journal Classification (ASJC) codes

  • Orthodontics

Cite this

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Morphological characteristics of the symphyseal region in adult skeletal class III crossbite and openbite malocclusions. / Chung, Chooryung Judi; Jung, Sinae; Baik, Hyoung Seon.

In: Angle Orthodontist, Vol. 78, No. 1, 01.01.2008, p. 38-43.

Research output: Contribution to journalArticle

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