Effect of an Informative Video on Anxiety and Hemodynamic Parameters in Patients Requiring Mandibular Third Molar Extraction: A Randomized Clinical Trial

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Jorge Toledano-SerrabonaEduard Valmaseda-Castellón

Abstract

The purpose was to determine the effect of watching an informative video about mandibular third molar (M3M) removal on patient anxiety and hemodynamic parameters. A randomized controlled clinical trial was carried out in healthy patients (aged between 18 and 40 years) requiring M3M extraction under local anesthesia. Patients with previous tooth extractions, psychiatric disorders, or cardiac problems or patients undergoing anxiolytic or antidepressant drug treatment were excluded. Participants were randomized into 2 groups according to whether they watched an informative video about the surgical procedure (video group) or not (control group). The primary outcome variable was the difference between groups regarding patient anxiety assessed with the State-Trait Anxiety Inventory (STAI) and the Modified Dental Anxiety Scale (MDAS). The secondary outcome variables were hemodynamic parameters recorded during different moments of the surgical procedure. Descriptive, bivariate, and multivariate analyses were performed, and a repeated-measures mixed model was generated. Statistical significance was considered for P < .05. Fifty patients referred for M3M extraction met the inclusion criteria. The final data analysis was based on 47 patie...Continue Reading

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