Impact of catastrophizing on pain during orthodontic treatment

Eduardo Oliveira da COSTA, Marco Nassar BLAGITZ, David NORMANDO

Objective: This study proposed to investigate the influence of catastrophizing and others factors related to pain during orthodontic treatment. Methods: 27 patients with 0.022 x 0.028-in Straight-wire brackets were evaluated during alignment and leveling phase with nickel-titanium wires. Visual Analog Scales measured the intensity of orthodontic pain at six moments after a clinical appointment: 6 first hours; 1, 2, 3, 5, and 7 days. Multiple linear regression and stepwise approach assessed the influence of the following variables on pain: catastrophizing, sex, age, duration of treatment, clinical appointment time (morning or afternoon), and wire diameter. Results: The highest pain intensity was reported 24 hours after activation. These data were used to analyze factors associated with pain level. Age (r=0.062, p=0.7586), sex (p=0.28), catastrophizing (r=-0.268, p=0.1765), and orthodontic wire diameter (r=0.0245, p=0.2181) were not correlated with orthodontic pain in the univariate statistics. Catastrophizing was included in the multiple regression model because it was of great interest. Duration of orthodontic treatment (r=0.6045, p=0.0008) and the time when orthodontic appliance was activated (p=0.0106) showed statistical significant associations with pain, and were also included in the multivariate regression, which showed that about 32% of orthodontic pain could be explained by the duration of treatment (R2 =0.32, p=0.0475). Catastrophizing (R2 =0.0006, p=0.8881) and clinical appointment time were not significantly associated with pain (R2 =0.037, p=0.2710). Conclusions: Pain after activation of fixed orthodontic appliance is not associated with catastrophizing as well as age, sex, orthodontic wire diameter, and period of activation.

Keywords: Pain. Orthodontic. Catastrophizing.

How to cite: Costa EO, Blagitz MN, Normando D. Impact of catastrophizing on pain during orthodontic treatment. Dental Press J Orthod. 2020 Jan-Feb;25(1):64-9. DOI: https://doi.org/10.1590/2177-6709.25.1.064-069.oar

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