- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02590835
Efficiency of Piezocision-assisted Orthodontic Treatment in Adult Patients
October 28, 2015 updated by: Dr. France LAMBERT
This study was designed as a randomized controlled clinical trial to compare conventional orthodontic treatment (control group) and piezocision-assisted orthodontic treatment (PS group).
Twenty-four consecutive adult patients from the Orthodontics Department of Liege University Hospital, Belgium who met the inclusion criteria were enrolled from January to October of 2013.
Study Overview
Status
Completed
Conditions
Study Type
Interventional
Enrollment (Actual)
24
Phase
- Not Applicable
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
21 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Description
Inclusion Criteria:
- Adult patients (completed growth)
- Maxillary and mandibular overcrowding
- Patient demand for orthodontic treatment
- Adequate dento-oral health
- ASA I and ASA II
- Compliance with clinic visits every 2 weeks
Exclusion Criteria:
- A need for tooth extraction
- A need for orthodontic temporary anchorage devices
- A history of periodontal disease
- Smokers
- Altered bone metabolism (e.g., due to anti-resorptive drug, steroid or immunosuppressant use)
- Mental or motor disabilities
- Pregnancy
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Control group
Treated with conventional orthodontics
|
Damon self-ligating systems (Ormco, Orange, Calif) were used for all patients.
The patients were allowed to choose between clear or metal brackets.
The bonding method was standardized and applied according to the manufacturer's instructions.
After bracket bonding, 0.014-in copper-nickel-titanium Damon arch forms were placed.
The subjects were recalled every two weeks, and the archwires were changed only when full bracket engagement was achieved.
The sequence of archwires was as follows: 0.018-in, 0.014x0.025-in
and 0.018x0.025-in
copper nickel-titanium archwires for alignment; and 0.019x0.025-in
stainless steel archwires for fine-tuning.
Following the alignment steps, impressions were taken, and blinded orthodontic consultants validated appliance removal or provided advice regarding further adjustments.
Alginate impressions were taken after the removal of the appliances, and both fixed and removable retainers were placed.
|
Experimental: Test group
subjected to piezo-assisted orthodontics
|
Damon self-ligating systems (Ormco, Orange, Calif) were used for all patients.
The patients were allowed to choose between clear or metal brackets.
The bonding method was standardized and applied according to the manufacturer's instructions.
After bracket bonding, 0.014-in copper-nickel-titanium Damon arch forms were placed.
The subjects were recalled every two weeks, and the archwires were changed only when full bracket engagement was achieved.
The sequence of archwires was as follows: 0.018-in, 0.014x0.025-in
and 0.018x0.025-in
copper nickel-titanium archwires for alignment; and 0.019x0.025-in
stainless steel archwires for fine-tuning.
Following the alignment steps, impressions were taken, and blinded orthodontic consultants validated appliance removal or provided advice regarding further adjustments.
Alginate impressions were taken after the removal of the appliances, and both fixed and removable retainers were placed.
The piezocisionTM surgery was performed one week after orthodontic appliance placement .
The patients received local anesthesia in both arches, and vertical interproximal micro-incisions were created below each interdental papilla.
In cases of root proximity (i.e., less than 2 mm of interdental bone), this procedure was not applied.
These incisions were kept to a minimum (varying from 5 mm to 8 mm).
Next, using a vertical piezoelectric device, 5-mm long and 3-mm deep corticotomies were made, and no subsequent sutures were required needed (figure 1).
The patients were advised to take analgesics (paracetamol) only if necessary and to record their daily intakes for one week.
Anti-inflammatories were prohibited to avoid interference with the RAP.
Careful tooth brushing and the use of a mouthwash (chlorhexidine 0.2% Perio-Aid, Dentaid Benelux, Houten, Netherlands) were recommended for 7 days.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall treatment time measurement (in days)
Time Frame: 3 years
|
Comparaison of the overall treatment time between the test group (piezocision group) and the control group will be performed.
It will be evaluated by measuring the time (in days) between the placement and the debond of the orthodontic appliance.
The hypothesis is that piezocision accelerate orthodontic tooth movement.
|
3 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Root resorption parameters measurements (intrabuccal radiographic in millimeters)
Time Frame: 3 years
|
A comparaison of orthodontic parameters (root resorption) between the test group and the control group before and after orthodontic treatment will be performed.
The root resorption will be measured in intrabuccal radiographic (millimeters) on the day of the placement of this appliance and at the debond.
|
3 years
|
Comparaison of periodontal parameters between the test group and the control group before (at baseline) and after orthodontic treatment.
Time Frame: 3 years
|
3 years
|
|
Patient-centered outcomes (VAS questionnaire)
Time Frame: 7 days
|
Satisfaction post treatment using a VAS questionnaire and analgesic consumption (milligrams of paracetamol) during 7 days after the placement of the orthodontic appliance.
|
7 days
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
February 1, 2013
Primary Completion (Actual)
February 1, 2013
Study Completion (Actual)
October 1, 2015
Study Registration Dates
First Submitted
October 21, 2015
First Submitted That Met QC Criteria
October 28, 2015
First Posted (Estimate)
October 29, 2015
Study Record Updates
Last Update Posted (Estimate)
October 29, 2015
Last Update Submitted That Met QC Criteria
October 28, 2015
Last Verified
October 1, 2015
More Information
Terms related to this study
Other Study ID Numbers
- H2013-3
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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