ArticleJournal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie2013
Class II division 2 treatment--does skeletal maturity influence success and stability?
Article in Journal of orofacial orthopedics = Fortschritte der Kieferorthopadie : Organ/official journal Deutsche Gesellschaft fur Kieferorthopadie, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 2 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Predictive factors of sagittal stability after treatment of Class II malocclusions.The Angle orthodontist · 2016Pooled it
- Stability of Class II fixed functional appliance therapy--a systematic review and meta-analysis.European journal of orthodontics · 2016Pooled it
- Correction of Deep Overbite by Using a Modified Nance Appliance in an Adult Class II Division 2 Patient with Dehiscence Defect.Case reports in dentistry · 2018Article
- Progenitor Cells of the Mandibular Condylar Cartilage.Current molecular biology reports · 2015Article
Corrections and comments
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimTo analyze the influence of skeletal maturity on Herbst multibracket (MB) treatment of Class II division 2 malocclusions and its stability. MATERIAL AND
methodsA total of 37 patients fulfilled the inclusion criteria (Class II division 2, fully erupted premolars and canines, Class II molar relationship ≥1/2 cusp widths bilaterally or 1 cusp width unilaterally, retention period ≥24 months). According to pretreatment hand wrist skeletal maturity the subjects were assigned to the groups EARLY (n=9), LATE (n=14) and ADULT (n=14). Lateral headfilms (T1: before treatment, T2: after Herbst MB treatment, T3: after retention) were analyzed using the Sagittal-Occlusal analysis and standard cephalometrics.
resultsDuring Herbst MB treatment (T2-T1), significant (p<0.001) molar relationship improvement was seen in all groups (EARLY: 3.6 mm; LATE: 3.7 mm; ADULT: 3.2 mm). The amount of skeletal effects contributing to molar correction varied markedly between the groups (EARLY: 19%; LATE: 62%; ADULT: 31%). Improvement (p<0.01) was also seen for ssNB angle (EARLY: 1.8°; LATE: 1.8°; ADULT: 0.9°) and overbite (EARLY: 3.3 mm; LATE: 4.5 mm; ADULT: 4.3 mm). During retention (T3-T2), minimal changes of molar relationship (<0.2 mm) and ssNB angle (<0.5°) were seen in all groups. Also the overbite relapsed (EARLY: 0.5 mm; LATE: 1.0 mm; ADULT: 1.1 mm) only to a clinically irrelevant extent.
conclusionIrrespective of skeletal maturity, Herbst MB treatment of Class II division 2 malocclusions showed to be successful and stable. However, the LATE group showed the highest amount of skeletal effects contributing to the correction of the molar relationship.
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