Evaluation of the Efficiency of Single Aligner Appliance for Treatment of Mild Crowding Cases in Adults.

Damascus University36 enrolled

Overview

36 participants who have mild crowding from the Orthodontic Department at University of Damascus Dental School will be randomly assigned into two groups. 1. In the experimental group, patients will be treated using single aligner appliance in order to align their crowding teeth. 2. Control group will undergo typical orthodontic treatment using an MBT-prescription of metallic brackets.

Most adult patients do not prefer traditional fixed appliances for aesthetic reasons, long treatment duration, and relatively difficult oral care. The current study came in order to evaluate the Efficiency of a new single aligner appliance that is both aesthetic and economical.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

Conditions

Crowding of Anterior Mandibular Teeth

Interventions

Modified aligner applianceDEVICE

Patients will be treated using a single aligner appliance with NiTi Springs in order to align their crowding teeth.

Traditional fixed applianceDEVICE

Patients will undergo typical orthodontic treatment using an MBT-prescription of metallic brackets.

Eligibility

Sex: ALLMin age: 16 YearsMax age: 28 Years

Medical Language ↔ Plain English

Inclusion Criteria: 1. Adults patients aged between (16 - 28) years. 2. Class I malocclusion with Mild crowding (1 - 4) mm in the anterior region of the mandibular dental arch 3. All lower teeth are existed (except for third molars). 4. No congenitally missing or extracted teeth (except for third molars) 5. Patients have not undergone previous orthodontic treatment. 6. Patient with good oral hygiene (Plaque Index less than 1). 7. With no severe skeletal discrepancy. Exclusion Criteria: 1. Bimaxillary dentoalveolar severe protrusion. 2. Any systemic diseases affect teeth movement. 3. Bad oral hygiene. 4. Patient lack of commitment toward follow-up appointments.

Locations (1)

Department of Orthodontics, University of Damascus Dental School

Damascus, Syria

Outcomes

Primary Outcomes

Duration of Alignment

The time required in days will be calculated from the beginning of treatment till the end of the alignment stage.

Time frame: The assessment is based on calculating days from the beginning of treatment till the end of the alignment stage which is expected to happen within 4 to 6 months

Change in Little's Index of Irregularity

The irregularity of the lower incisors is calculated by measuring the amount of deviations of the anatomic contact points between the six anterior teeth in the horizontal direction in mm, since the sum of these measurements represents the value of the index (Little, 1975). When the sum of these deviations is less than 3 mm, this indicates that the teeth are slightly crowded. When the sum is greater than 10 mm, this indicated very severe crowding. The ordinary orthodontic treatment aims to keep this Index less than 1 mm at the end of treatment.

Time frame: T0: immediately before the start of orthodontic treatment; T1: after one month; T2: after two months; T3: after three months; T4: after four months; T5: at the end of the alignment stage (which is expected to occur within 4 to 6 months

Change in Lower Incisors Inclination

The angle between the long axis of the lower Incisors and the mandible plane (Go-Me) will be measured using Cephalometric x ray.

Time frame: immediately before the start of orthodontic treatment; T1: at the end of the alignment stage which is expected to happen within 4 to 6 months

Data from ClinicalTrials.gov

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