Treatment effects produced by the Twin-block appliance vs the Forsus Fatigue Resistant Device in growing Class II patients

The Angle Orthodontist
Veronica GiuntiniLorenzo Franchi

Abstract

To compare the dentoskeletal changes produced by the Twin-block appliance (TB) followed by fixed appliances vs the Forsus Fatigue Resistant Device (FRD) in combination with fixed appliances in growing patients having Class II division 1 malocclusion. Twenty-eight Class II patients (19 females and 9 males; mean age, 12.4 years) treated consecutively with the TB followed by fixed appliances were compared with a group of 36 patients (16 females and 20 males; mean age, 12.3 years) treated consecutively with the FRD in combination with fixed appliances and with a sample of 27 subjects having untreated Class II malocclusion (13 females and 14 males; mean age, 12.2 years). Mean observation interval was 2.3 years in all groups. Cephalometric changes were compared among the three groups by means of ANOVA and Tukey's post hoc tests. The FRD produced a significant restraint of the maxilla compared with the TB and control samples (SNA, -1.1° and -1.8°, respectively). The TB sample exhibited significantly greater mandibular advancement and greater increments in total mandibular length than either the FRD or control groups (SNB, 1.9° and 1.5°, respectively; and Co-Gn, 2.0 mm and 3.4 mm, respectively). The FRD produced a significantly greater...Continue Reading

References

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Citations

May 20, 2016·Journal of International Society of Preventive & Community Dentistry·V Naga KeerthiA Nanda Kumar
Nov 6, 2018·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Raj Kumar MauryaPoonam Sharma
Jan 21, 2017·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Dalia SmailienėGintaras Kušleika
Apr 18, 2018·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·M Dolores AustroJosé Antonio Alarcón
Feb 25, 2020·The Angle Orthodontist·Alexa Helena Kohler MorescaGisele Maria Correr
Aug 7, 2020·Orthodontics & Craniofacial Research·Mohammad Zitouni, Yasemin Bahar Acar
Dec 31, 2020·The Angle Orthodontist·Alexa Helena Kohler MorescaGisele Maria Correr
Jul 6, 2021·Orthodontics & Craniofacial Research·Daniela Cubas PupulimThais Maria Freire Fernandes

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