Soft tissue evaluation of functional therapy in growing patients with Class II malocclusion : a long-term study

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OBJECTIVE: The objective of this study was to analyse the soft tissue changes produced by the functional treatment of mandibular advancement in growing Class II patients.

MATERIALS: The treated group consisted of 25 Caucasian patients (12 females and 13 males) with dento-skeletal Class II malocclusion treated with functional therapy (Activator). All patients were evaluated before treatment (T1; mean age, 9.9 years), at the end of functional treatment phase (T2; mean age, 11.9 years), and at a post-pubertal follow-up observation (T3; mean age, 18.5 years). The treated group was compared with a matched control group of 25 untreated subjects (13 females, 12 males) with untreated Class II division 1 malocclusion. Statistical comparisons between the two groups were performed with independent samples t-tests (P < 0.05).

RESULTS: Significant improvements were found during the long-term interval for mandibular sulcus (9.9°) and the profile facial angle (9.8°) in the treated group. No significant effects were found in terms of lower face percentage between the two groups.

CONCLUSION: Removable functional appliances induced positive effects on the soft tissue profile in Class II growing subjects with good stability in the long-term.

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:44

Enthalten in:

European journal of orthodontics - 44(2022), 1 vom: 25. Jan., Seite 37-42

Sprache:

Englisch

Beteiligte Personen:

Gazzani, Francesca [VerfasserIn]
Franchi, Lorenzo [VerfasserIn]
Lione, Roberta [VerfasserIn]
Cozza, Paola [VerfasserIn]
Pavoni, Chiara [VerfasserIn]

Links:

Volltext

Themen:

Journal Article

Anmerkungen:

Date Completed 04.04.2022

Date Revised 05.04.2022

published: Print

Citation Status MEDLINE

doi:

10.1093/ejo/cjab008

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM322965195