[TAN Bayesian network modeling of online learning decision making of dental undergraduates during the COVID-19 pandemic].

Purpose: To perceive the dental undergraduate's policy of coping with online learning and their decision-making laws during the COVID-19 pandemic.

Methods: For dental undergraduate students from the 2016 grade to 2018 grade of Lishui University, two prospective questionnaire surveys were conducted before the online course starting and four weeks later. SPSS Modeler18.