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Orthodontic informed consent considering information load and serial position effect.

Caroline E Pawlak1, Henry W Fields2, F Michael Beck3

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Adding a short video to informed consent materials did not improve patient understanding. However, using "chunking" with improved readability and audiovisual aids significantly enhanced comprehension of orthodontic treatment risks, benefits, and alternatives.

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Area of Science:

  • Orthodontic treatment outcomes
  • Patient comprehension and recall
  • Informed consent efficacy

Background:

  • Current informed consent methods show poor patient recall and comprehension.
  • Adolescent patients and parents struggle with understanding orthodontic treatment information.

Purpose of the Study:

  • To determine if adding a short video to a modified informed consent document improves recall and comprehension of orthodontic treatment risks, benefits, and alternatives.
  • To evaluate current data for recommendable informed consent practices.

Main Methods:

  • 70 patient-parent pairs were randomized into two groups.
  • Intervention group reviewed a customized slideshow and video; control group reviewed slideshow only.
  • Patients and parents were interviewed using open-ended questions and completed reading literacy and demographic questionnaires.

Main Results:

  • No significant differences in recall or comprehension were found between groups when a video was added.
  • Improved readability and audiovisual supplementation with "chunking" demonstrated benefits in previous studies.
  • No significant differences in sociodemographic variables or recall/comprehension across various domains were observed between the groups.

Conclusions:

  • Adding a short video to existing improved informed consent methods offers no additional benefit.
  • Improved readability, audiovisual supplementation, and "chunking" significantly enhance patient comprehension and recall of orthodontic treatment information compared to traditional methods.
  • The treatment domain showed the most significant improvement in patient understanding.