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Title

Bite force and its association with stability following Class II/1 functional appliance treatment
Authors
Antonarakis, Gregory S
Kjellberg, Heidrun
Kiliaridis, Stavros
Published in European Journal of Orthodontics. 2013, vol. 35, no. 4, p. 434-441
Abstract SUMMARY The aims of this study were to investigate the value of pre-treatment maximal molar bite force as a predictive variable in determining post-treatment changes and stability following functional appliance treatment in Class II malocclusion children. Twenty-eight Class II malocclusion children having undergone functional appliance treatment were followed for at least 1 year post-treatment. Maximal molar bite force measurements, lateral cephalograms, and study casts were taken before treatment, after treatment, and after post-treatment follow-up. Relationships between pre-treatment maximal molar bite force and dental or cephalometric changes post-treatment were examined. Patients were divided into stable and unstable groups, based on dental sagittal changes (overjet and molar relationship), and differences between the two groups of patients determined. Post-treatment changes varied widely. Thirteen children showed dentoalveolar sagittal relapse, namely a shift in molars towards a Class II relationship and an increase in overjet, while 15 did not. The unstable group demonstrated a lower pre-treatment maximal molar bite force, as well as a more obtuse gonial angle, than the stable group. The gonial angle was found to be negatively correlated to maximal molar bite force and may thus be a cephalometric indicator partly reflecting the functional condition of the masticatory muscles.Children with a lower pre-treatment maximal molar bite force were more prone to dentoalveolar sagittal relapse following functional appliance treatment.
Identifiers
PMID: 22828079
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Article (Published version) (838 Kb) - public document Free access
Structures
Faculté de médecine / Section de médecine dentaire / Département de réhabilitation oro-faciale / Division d'orthodontie
Research group Groupe Kiliaridis Stavros (médecine dentaire) (239)
Citation
(ISO format) 		ANTONARAKIS, Gregory S, KJELLBERG, Heidrun, KILIARIDIS, Stavros. Bite force and its association with stability following Class II/1 functional appliance treatment. In: The European Journal of Orthodontics, 2013, vol. 35, n° 4, p. 434-441. doi: 10.1093/ejo/cjs038 https://archive-ouverte.unige.ch/unige:28907

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Deposited on : 2013-07-12

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