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Treatment of Mild Class II Malocclusion in Adult Patients With Clear Aligners Versus Fixed Multibracket Therapy

ConditionsMalocclusionClass II Malocclusion
Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age15-20
SponsorHama University

About this trial

Patient with class ii division 1 malocclusion who have mild increased overjet will be treated in this study. The efficacy of clear aligners in the treatment of Class II division 1 Malocclusion Using Intermaxillary Elastics will be assessed. The skeletal, dental and soft tissues changes resulted by this intervention will be studied and compared with the results of Traditional treatment with fixed appliances.

There are two group:

1. a group of patients in which participants will be undergo to the clear aligners with class ii elastics. 2. a group of patients in which participants will be undergo to the traditional fixed appliances with class ii elastics.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

- Patients with permanent occlusion at age 15-20 years.

Patients with class II division I (half cusp or Less) with moderate overjet (2-4mm).

Patients with normal or horizontal growth pattern.

Mild crowding (_<2 mm) in maxillary and mandibular arch.

Disqualifiers

Patients with periodontal disease.

Patients with vertical growth pattern.

Patients with missing or extracted teeth except third molar.

Patients with temporomandibular joint disorder.

Trial design

Design model

Parallel

Treatments tested in this trial

  • clear aligners

    Device

    clear aligners will be applied to the upper and lower arch, then a class II elastics 1\\4 and 6,5 oz will be use from the precision-cut Hook on the maxillary aligner to the button of mandibular first molar

  • traditional treatment Fixed appliances with class II elastics.

    Device

    Agroup of patients in which participants will be undergo to the fixed multibracket treatment (with slot size 0.022 × 0.028 and MBT prescription , after completing leveling and alignment , Elastics will be applied from the hooks of canines brackets to the hooks of lower first molar when the 0.019× 0.025-inch stainless steel archwires placed.

Treatment groups

24 Participants
are divided into 2 treatment groups
Group A: Experimental : clear aligners with class II elastics techniqueExperimental treatment 1 intervention
Group B: : traditional treatment Fixed appliances with class II elastics.Experimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Change in the SNA angle

This angle the represents the position of the upper jaw in the cephalometric analysis in the anteroposterior direction. Lateral cephalograms will be taken and this angle is going to be measured in degrees.

Time frame
: T0:1 day before the beginning of treatment . T1: when a normal overjet and canines class I relationships achieved (expected to be within 4-6 months in the exp. Group and 12 months in the control group
2

change in the SNB angle

This angle the represents the position of the lower jaw in the cephalometric analysis in the anteroposterior direction. Lateral cephalograms will be taken and this angle is going to be measured in degrees.

Time frame
: T0:1 day before the beginning of treatment . T1: when a normal overjet and canines class I relationships achieved(expected to be within 4-6 months in the exp. Group and 12 months in the control group)
3

change in ANB angle

This angle the represents the spatial relationship between the upper and lower jaws in the cephalometric analysis in the anteroposterior direction. Lateral cephalograms will be taken and this angle is going to be measured in degrees.

Time frame
T0:1 day before the beginning of treatment . T1: when a normal overjet and canines class I relationships achieved (expected to be within 4-6 months in the exp. Group and 12 months in the control group)
4

change in SN.POG angle

This angle the represents the position of the chin bone in the cephalometric analysis in the anteroposterior direction. Lateral cephalograms will be taken and this angle is going to be measured in degrees.

Time frame
: T0: 1 day before the beginning of treatment . T1: when a normal overjet and canines class I relationships achieved (expected to be within 4-6 months in the exp. Group and 12 months in the control group)

Secondary outcomes

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Hama University

Lead sponsor

Source ClinicalTrials.gov
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