challenge: What is the recommendation of the American Association of Endodontists regarding the use of magnification devices in endodontics?
  
  A. To use them for all procedures, but only if the patient requests it
  B. To pursue the use of an oral microscope to ensure the highest level of excellence
  C. To avoid using them due to lack of evidence on their effectiveness
  D. To use them only for complex procedures
  Answer: 