There are multiple definitions:

1. x-ray photoelectron spectroscopy(English)

   • AFM, SEM, TEM
   • Spectroscopy

2. XP-endo Shaper(English)

   • refers to mesial curved root canals of mandibular molars
   • PTN, XPF
   • Dentistry
   • http://pubmed.n…h.gov/37803973/