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Effect of Modified Twin Block in Skeletal Class II Growing Females With Mandibular Deficiency

30 participantsStarted 2018-12

Plain-language summary

The aim of this study is to evaluate the treatment effects of conventional twin block appliance versus modified twin block appliance in the treatment of patients in growing stage having skeletal class II division 1 with mandibular deficiency.

Who can participate

Age range9 Years – 12 Years

SexFEMALE

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Inclusion criteria

✓. Skeletal Class II relationship (ANB \> 4°).
✓. Mandibular retrognathy (SNB \< 78°).
✓. Overjet ≥ 5 mm.
✓. Minimal crowding in dental arches (≤4 mm).
✓. Class II molar relation.
✓. Growing female patients.
✓. Patients with CMV3 maturation stage of the cervical verbrae.

Exclusion criteria

✕. No history of orthodontic treatment either prior to or during functional Appliance therapy.
✕. Posterior cross bites or severe maxillary transverse deficiency.
✕. Severe facial asymmetry determined by clinical or radiographical examination.
✕. Poor oral hygiene.
✕. Systemic diseases that may affect the orthodontic treatment results.
✕. Patients past their peak growth spurt.

What they're measuring

enhancing mandibular skeletal growth

Timeframe: 9 months

Trial details

NCT IDNCT03635463

SponsorCairo University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2019-12

View on ClinicalTrials.gov More Class II Division 1 Malocclusion trials