UnknownNot Applicable

Effectiveness of Modified Functional Appliance With Expander

Iraq48 participantsStarted 2023-05-09

Plain-language summary

This clinical trial compares the effectiveness of a myofunctional appliance that uses a clear and modified twin block appliance with an expander made from 2mm biocompatible polyethylene terephthalate modified with Glycol thermoplastic material with a conventional twin block appliance with an expander. The trial will be conducted on adolescent patients with class II division 1.

Who can participate

Age range10 Years – 13 Years

SexALL

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Inclusion criteria

✓. Patients' age at the start of treatment: at growth spurt \[in stage 2 (Acceleration) - 3 (Transition) of cervical vertebral maturation\].
✓. Skeletal and dental relationships: skeletal class II with normal maxilla and retrognathic mandible. Moderate to severe dental class II division 1 malocclusion with overjet ≥ 8 mm.
✓. Horizontal/normal growth pattern.
✓. Convex profile with decreased or normal lower facial height (clinically and radiographically).
✓. Well-aligned/mild crowding of maxillary and mandibular dental arches.
✓. Good oral health free from caries and periodontal problems at the start of treatment.

Exclusion criteria

✕. Patients with vertical growth pattern or backward mandibular rotation tendency.
✕. Patients with open bite
✕. Patients with obvious facial asymmetry.
✕. Patients with orofacial clefting.
✕. Patients with bad oral habits.
✕. Active periodontal disease.

What they're measuring

Anteroposterior skeletal changes

Timeframe: T0 (before treatment), T1 (at end of the study) around 6-9 months

Vertical skeletal changes

Timeframe: T0 (before treatment), T1 (at end of the study) around 6-9 months.

Trial details

NCT IDNCT06116500

SponsorUniversity of Baghdad

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2024-05-09

View on ClinicalTrials.gov More Class II Malocclusion trials