Abstract：Objective: To explore the methods of reducing dental anxiety (DA) in adolescent orthodontic window-opening patients. Methods: 200 patients with orthodontic fenestration were analyzed retrospectively randomly, and divided into 4 groups according to the different treatment methods. Group A: fenestration under Cymbidium anesthesia; Group B: fenestration under Er laser; Group C: reasonable emotional therapy was given to the patients before fenestration under Cymbidium anesthesia; Group D: fenestration under Er laser therapy after rational emotional therapy. Group A was investigated by symptom checklist 90 (self rating scale), and group C was investigated by Cognitive Emotion Regulation Questionnaire (Chinese version). Modified dental anxiety scale (MDAS) was used to observe the changes of DA level in the four groups at different stages. The data before and after window opening were compared and analyzed statistically. Results: In terms of five factors (somatization, depression, anxiety, hostility and interpersonal sensitivity) in SCL-90 scores of orthodontic patients, the scores of adolescents in group C were significantly lower than those in group A (all P < 0.05). the scores of positive coping and negative coping in group C were higher and lower than those in group A (all P < 0.05). During the follow-up visit, the DA values of the four groups showed a downward trend as a whole, and among the four groups, group D had the highest downward trend, followed by group B and group C. Even in the same group, the effect of treatment is also very different (P<0.05). Conclusions: In order to reduce the dental fear of adolescent orthodontic fenestration patients, rational emotional therapy and Er laser therapy should be used, and the combination of them can achieve the best results.
2019, Vol. 25 
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