機器
bowl
canal
care
chair
check
clean
cleaning
clinic
concept
conceptual
copy
crown
dental
dentist
dentistry
device
down
drill
equipment
examination
health
hospital
inside
instrument
instruments
interior
laboratory
lying
medical
medicine
mouth
nobody
odontology
office
practice
prosthetics
retirement
root
sitting
space
study
teeth
tool
tooth
toothache
treatment
up
white
work