Thus study consists of evaluating the effect of low level therapy on pain induced by insertion of an orthodontic device (the "quadhelix"). Each day during the first seven days post procedure, the level of pain will be reported on an analogic visual scale. As secondary objectives, intake of antalgics and type of swallowed food (soft or tough) will also be daily registered.
Patient will be randomized into one of the 3 following arms : * arm 1 (experimental) : administration of Low Level Laser Therapy just after insertion of the quadhelix. * arm 2 (sham procedure) : material necessary to perform Low Level Laser Therapy will be installed but the laser will not be activated. * arm 3 (no intervention): material necessary to perform Low Level Laser Therapy will NOT be installed
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
69
Nantes Universitary Hospital
Nantes, Loire Atlantique, France
to evaluate the effect of low level laser therapy on pain induced by insertion of the quadhelix (orthodontic device)
Each day during the first week post procedure, patient will record intensity of his/her pain on an analogic visual scale
Time frame: change from baseline pain at 7 days
effect of low level laser therapy on intake of antalgics
Each day during the first week post procedure, patient will record his/her intake of antalgics
Time frame: change from baseline antalgics intake at 7 days
quality of food intake
Each day during the first week post procedure, patient will answer (on a questionnaire) to questions concerning his/her intake of food (type of food (soft or not)).
Time frame: change from baseline quality of food intake at 7 days
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