den·tist·ry 
(dĕntĭ-strē)
(dĕntĭ-strē)n.
The science concerned with the diagnosis, prevention, and treatment of diseases of the teeth, gums, and related structures of the mouth and including the repair or replacement of defective teeth.
- countershaft
- countersign
- countersignature
- countersink
- counterspy
- counterstain
- countersue
- countersuit
- countersunk
- countertenor
- countertop
- countertrade
- countertrader
- countertransference
- countervail
- counterweigh
- counterweight
- counterweighted
- counterwoman
- countess
- count heads
- count heads/noses
- countinghouse
- counting house
- counting number