lower molar ratio formaldehyde-urea-melamine resin
left supramaxillary first molar
mandibular permanent first molar
maxillary first molar extraction case
three-rooted mandibular first molar
The second mesiobuccal canal of maxillary first molar
Permanent three-rooted mandibular first molar
lower temperature and lower turbidity
the lower part of Lower Ganchaigou Formation
protein formula with lower natrium and lower phosphorum
alternate width-first and depth-first
FCFS First Come First Served
FEFO First – End First – Out
FEFO First C End First C Out