Efficiency of Er:YAG utilization in accelerating deep bite orthodontic treatment

Laser Therapy
Azzam Al-JundiReem Hanna

Abstract

The long duration of orthodontic treatment is a major patients' concern. A noninvasive method of accelerating tooth movement in a physiological manner is needed. The aim of the study was to evaluate the effects of Er:YAG laser application during orthodontic treatment of deep bite and to evaluate its analgesic effect during that movement. A prospective randomized controlled clinical trial (RCT) was performed on 30 patients with deep bite. Sample was divided into two groups: (A), 15 patients (orthodontic treatment-control group) and (B), 15 patients (orthodontic treatment and Er:YAG Laser - laser group). The tooth movement was evaluated as the primary outcome variable by measuring angular and linear changes on three progress lateral cephalometeric radiographs (T1, T2 and T3); Lateral cephalograms were taken before treatment (T1), immediately after finishing the stage of leveling and alignment (T2) and after completion of the intrusion stage (T3).Laser parameters were 400 mJ/10 Hz/4 W and 400 mJ/15 Hz/6 W, depending on the handpiece used. The levels of pain and discomfort were evaluated and ranked according to a visual analog scale. Paired t-tests or Wilcoxon matched-pairs signed-rank tests were used to detect significant differen...Continue Reading

References

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