Effect of Low Level Laser Therapy on Orthodontic Miniscrew Displacement

Study Overview
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Brief Summary
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EFFECT OF LOW LEVEL LASER THERAPY ON ORTHODONTIC MINISCREW DISPLACEMENT

Detailed Description
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Miniscrews can achieve good anchorage for different types of tooth movements, as intrusion, retraction, and protraction. However, obtaining primary stability is a challenge in their clinical application.Low Level Laser Therapy is suggested to prevent miniscrew displacement. Also previous studies concluded that Low Level Laser Therapy has an effect in stabilizing miniscrew after direct application. So the aim of this study is to assess the effect of Low Level Laser Therapy on displacement of miniscrews during canine retraction.

Official Title
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Effect of Low Level Laser Therapy on Orthodontic Miniscrew Displacement

Conditions
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Orthodontic Appliance

Intervention / Treatment
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* Device: Miniscrew


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients aged 18 to 22 years old. Permanent dentition. Class I Bimaxillary protrusion and class II devision 1 patients. Good oral hygiene. Exclusion Criteria: Medically compromised patients. Chronic renal failure and hormonal disorders as thyroid and parathyroid. Regular use of steroids, barbiturates, anticonvulsants drugs, and thyroid hormone replacements. Tobacco smoking. Any disease or metabolic disorder that can affect bone physiology

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 22 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Health Services Research
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Control<br>Will have miniscrew only without laser application | Device: Miniscrew<br>* Application of laser on miniscrew<br>* Other names: Laser;|
| Experimental: Experimental<br>Will have miniscrew and laser application | Device: Miniscrew<br>* Application of laser on miniscrew<br>* Other names: Laser;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| effect of low level laser therapy on displacement of miniscrews | Miniscrews displacement will be assessed after four months of canine retraction using CBCT scan. The head and tail of miniscrew will be measured in relation to anterior nasal spine as a fixed reference point before and after retraction | 4 months | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| effect of LLL application on gingival condition around the miniscrew. | Gingival inflammation around miniscrew head will evaluated just after placement and at day 7 and 14 before application of retraction force and during days 21, 30, 60 which will be during the period of force application, based on modified gingival index with scores range from 0 to 3 as follows:Score 0 - no signs of inflammation (tissue around head is pink in color). Score 1 - mild inflammation (tissues are red in color, no bleeding sign). Score 2 - moderate inflammation (tissues are intense red in color, small bleeding signs). Score 3- severe inflammation (bleeding, evidence of swelling). | 4 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Miniscrew