<prompt> Which primary tooth generally erupts last?Maxillary second molar.Mandibular second molar.Maxillary canine.Mandibular canine.  <response>: Textbook chronologies indicate that the maxillary primary second molar is most commonly the last to erupt:24 months Woelfel and Scheid, 200220 to 30 months Kraus et al., 196925 to 33 months Ash and Nelson, 2003 