Acceleration of Lower Anterior Teeth Leveling and Alignment Using Corticision

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

COMPLETED

Clinical Phase

NA

Total Enrollment

26 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-01-31

Study Completion Date

2018-07-15

Brief Summary

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This experimental study will evaluate the effect of corticision on accelerating the leveling and alignment of lower crowded incisors compared with the control untreated group using cone beam computed tomography.

The study sample will consist of 26 patients with less than 6 mm crowding. The sample will be allocated randomly into two experimental groups.

The brackets and passive SS wire will be applied with radiographic metal guides between each tooth to allow for accurate corticision site 2 mm below the gingival papilla and to prevent tooth roots injury. The dentoalveolar changes occurring after leveling and alignment of lower anterior teeth will be evaluated using CBCT radiographs, Frequency, degree of root resorption, and the incidence of bone dehiscence will be assessed in relation to initial situation.

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Detailed Description

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Crowding is the most common form of malocclusion. Different methods have been used to resolve crowding, including extraction and nonextraction. Corticision is an important methods to accelerate tooth movement in crowded cases. Cortical bone incision without flap elevation enhances turnover rate of surrounding structures and decreases the time for leveling and alignment. In orthodontics, CBCT imaging has been applied to evaluate impacted teeth and root resorption. But the data are very rare regarding the application of CBCT in tooth movement. So CBCT will be used in this research to evaluate the amount of external apical root resorption (EARR) and presence of dehiscence in the lower anterior teeth in the crowded cases. Furthermore, the duration of alignment will be compared between corticision group and non-corticision group.

Conditions

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Crowding, Tooth

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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Traditional fixed appliance

Fixed orthodontic appliances will be applied for aligning and leveling of lower anterior teeth up to 19\*25 stainless steel wires using traditional brackets; American Orthodontics Master® MBT 0.022" Brackets

Group Type EXPERIMENTAL

Traditional fixed appliance

Intervention Type DEVICE

aligning and leveling of lower anterior teeth using traditional fixed appliance.

Fixed appliance and corticision

Fixed orthodontic appliances with corticison will be applied for aligning and leveling of lower anterior teeth up to 19\*25 stainless steel wires using traditional brackets; American Orthodontics Master® MBT 0.022" Brackets

Group Type EXPERIMENTAL

Traditional fixed appliance

Intervention Type DEVICE

aligning and leveling of lower anterior teeth using traditional fixed appliance.

Corticision

Intervention Type PROCEDURE

Corticison, cortical bone incision without flap elevation, will be applied to the lower anterior teeth

Interventions

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Traditional fixed appliance

aligning and leveling of lower anterior teeth using traditional fixed appliance.

Intervention Type DEVICE

Corticision

Corticison, cortical bone incision without flap elevation, will be applied to the lower anterior teeth

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* patients age 18 years or more
* complete permanent dentition with second molars
* crowding of less than 6 mm
* good healthy patients without systematic diseases
* absence of spaces in the lower dental arch
* orthodontic treatment protocol does not required extraoral appliances, intraoral elastics, and expansion during leveling and alignment in the lower arch
* good oral hygiene
* absence of periodontal lesion

Exclusion Criteria

* patients with syndromes, clefts, or craniofacial abnormalities or systematic diseases
* poor oral hygiene or periodontal lesion
* previous orthodontic treatment.
* Inability for brackets bonding in lower anterior teeth
* presence of extreme skeletal discrepancy in vertical , transverse and anteroposterior relations
* Delay rebonding of any loosing brackets for more than one week in the lower anterior teeth

Minimum Eligible Age

18 Years

Maximum Eligible Age

25 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No