Evaluation of Profile Changes and Torque Control in Dental Bimaxillary Proclination Cases Using Lingual Lever Arm Mechanics vs Conventional Lingual Orthodontic Mechanics A Randomized Controlled Trial

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

24 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-10-31

Study Completion Date

2020-06-30

Brief Summary

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This study evaluates the profile changes and torque control using lingual lever arm vs conventional lingual mechanics. Half of the patients will receive lever arms and the other half will receive conventional lingual orthodontics.

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Detailed Description

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Conventional lingual orthodontic biomechanics leads to torque loss during en masse retraction of the anterior segment in the bimaxillary proclination cases treated by first premolar extraction. Torque loss affects the final outcome of the treatment negatively.

Adding a lever arm to the lingual wire will transmit the point of force application at or apical to the center of rotation which will reduce or eliminate toqrue loss during anterior segment retraction.

Conditions

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Bimaxillary Proclination

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Conventional lingual mechanics

Group Type ACTIVE_COMPARATOR

Lingual orthodontics

Intervention Type PROCEDURE

A coil spring will be attached from the lever arm to the first molar tube

Lever arm lingual mechanics

Group Type EXPERIMENTAL

Lingual orthodontics

Intervention Type PROCEDURE

A coil spring will be attached from the lever arm to the first molar tube

Interventions

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Lingual orthodontics

A coil spring will be attached from the lever arm to the first molar tube

Intervention Type PROCEDURE

Other Intervention Names

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Conventional lingual mechanics

Eligibility Criteria

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Inclusion Criteria

* Male or female adult patients with age range 18-30 yrs old.
* Class I bimaxillary dentoalveolar proclination.
* Full permanent dentition.
* Good oral hygiene.
* Maximum anchorage is required.
* Healthy bone around the first molars is needed.

Exclusion Criteria

.Systemic disease.

* Severe crowding.
* Extracted or missing upper permanent tooth/teeth (except for third molars).
* Signs, symptoms or previous history of temporomandibular disorders (TMD).
* Previous orthodontic treatment.

Minimum Eligible Age

18 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes