You can't. Official website of Nanjing University of Posts and Telecommunications showed that the outpatient department of Nanjing University of Posts and Telecommunications had no equipment and instruments to treat teeth, so it was not allowed to see a dentist. Nanjing University of Posts and Telecommunications, referred to as "Nanyou", is located in Nanjing, Jiangsu Province. It is a comprehensive key university jointly established by the central and local governments, and the competent department is the Education Department of Jiangsu Province.