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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02977221
Other study ID # UDDS-OMFS-01-2016
Secondary ID
Status Completed
Phase N/A
First received November 23, 2016
Last updated July 26, 2017
Start date March 2016
Est. completion date April 2017

Study information

Verified date July 2017
Source Damascus University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Applying flapless piezocision corticotomies on the alveolar bone and separating anterior mandibular teeth using a piezosurgery device (i.e. ultrasonic waves that perform very accurate incisions without any sutures following this procedure) may improve the speed of tooth alignment during orthodontic treatment. This study consists of two groups, patients will be randomly assigned to one of these two groups. The efficacy of this procedure on 18 patients (experimental group) will be evaluated,whereas the second group (control group) will receive a traditional orthodontic therapy. The time required to achieve complete alignment of crowded mandibular anterior teeth (from canine to canine) will be compared between the two groups.


Description:

According to the American Association of Orthodontists (AAO), the length of comprehensive orthodontic treatment ranges between 18-30 months, depending on treatment options and individual characteristics. In addition, orthodontic treatment time ranges between 25-35 months for extraction therapies, respectively. Reducing orthodontic treatment time is one of the main goals for orthodontists, due to problems such as root resorption, periodontal disease and caries that are associated with prolonged treatment time.

Many techniques have been introduced to accelerate orthodontic tooth movement; surgical and non-surgical. The surgical approach is the most clinically applied and most tested with known predictions and stable results. Surgical approaches usually vary from total block osteotomies to flapless partial corticotomies .In spite of corticotomy-assisted orthodontic treatment efficiency, the invasiveness of these procedures (i.e. requiring full mucoperiosteal flaps elevation) might have limited their widespread acceptance among orthodontists and patients. Therefore, more conservative flapless corticotomy techniques have recently been proposed. These procedures can be accomplished in a reasonably short periods that might produce less pain and discomfort, so we will gain better patient acceptance. Although various techniques of flapless corticotomy have been reported to be successful in practice, scientific evidence for their effectiveness so far has been limited to case series and a few clinical trials, generally with small groups. This study aims to provide some evidence about the efficacy of piezosurgery in a flapless technique to align crowded lower anterior teeth using a parallel-group randomized controlled trial study design.


Recruitment information / eligibility

Status Completed
Enrollment 36
Est. completion date April 2017
Est. primary completion date December 2016
Accepts healthy volunteers No
Gender All
Age group 15 Years to 27 Years
Eligibility Inclusion Criteria:

1. Adult healthy patients , Male and female, Age range: 15-27 years.

2. Severe crowding = 7 (Little's irregularity index)

3. Permanent occlusion.

4. Exist all the Mandibular teeth (except third molars).

5. Good oral and periodontal health:

- Probing depth<4 mm

- No radiographic evidence of bone loss .

- Gingival index= 1

- Plaque index = 1

Exclusion Criteria:

1. Medical problems that affect tooth movement (corticosteroid, NSAIDs, …)

2. Patients have anti indication for oral surgery ( medical - social - psycho)

3. Presence of primary teeth in the mandibular arch

4. Missing permanent mandibular teeth (except third molars).

5. Poor oral hygiene or Current periodontal disease:

- Probing depth = 4 mm

- radiographic evidence of bone loss

- Gingival index > 1

- Plaque index > 1

6. Patient had previous orthodontic treatment

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Piezosurgery
The device tip will be used to to create small vertical incisions into the cortex of the dento-alveolar process of the lower anterior teeth.

Locations

Country Name City State
Syrian Arab Republic Departments of Orthodontics and Oral and Maxillofcial Surgery, University of Damascus Dental School Damascus

Sponsors (1)

Lead Sponsor Collaborator
Damascus University

Country where clinical trial is conducted

Syrian Arab Republic, 

References & Publications (3)

Keser EI, Dibart S. Sequential piezocision: a novel approach to accelerated orthodontic treatment. Am J Orthod Dentofacial Orthop. 2013 Dec;144(6):879-89. doi: 10.1016/j.ajodo.2012.12.014. — View Citation

Sebaoun JD, Surmenian J, Dibart S. [Accelerated orthodontic treatment with piezocision: a mini-invasive alternative to conventional corticotomies]. Orthod Fr. 2011 Dec;82(4):311-9. doi: 10.1051/orthodfr/2011142. Epub 2011 Nov 23. French. — View Citation

Vercellotti T, Podesta A. Orthodontic microsurgery: a new surgically guided technique for dental movement. Int J Periodontics Restorative Dent. 2007 Aug;27(4):325-31. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Duration of tooth alignment This outcome will be measured in 'days'. This will be measured at the end of treatment by calculating the time required time (in days) to achieve complete alignment of lower anterior teeth from the first day of treatment and up to 120-150 days of observation
Primary Change in Tooth Alignment at one month This index is measured on plaster study casts of patients' teeth. The value obtained will be compared to the value obtained at the beginning of treatment. Little Index of Irregularity will be measured at 30 days after the onset of treatment.
Primary Change in Tooth Alignment at two months This index is measured on plaster study casts of patients' teeth. The value obtained will be compared to the value obtained at the beginning of treatment. Little Index of Irregularity will be measured at 60 days after the onset of treatment.
Primary Change in Tooth Alignment at last assessment time This index is measured on plaster study casts of patients' teeth. The value obtained will be compared to the value obtained at the beginning of treatment. Little Index of Irregularity will be measured when a complete alignment is achieved; this is expected between 90 to 120 days after the onset of treatment.
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