HomeEndodontics The accesses opening for a maxillary premolar is most frequently publisher :NIL NAM -March 20, 2017 The accesses opening for a maxillary premolar is most frequently: a. Oval. *** b. Square. c. Triangular. d. None of the above. Labels Endodontics Facebook Twitter Share:The accesses opening for a maxillary premolar is most frequently Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email