英文關鍵字
aching
alignment
appliances
background
boy
care
child
children
correcting
correction
demonstration
dental
dentistry
dress
equipment
fitting
hand
health
human
ill
individual
joy
laughter
little
male
malocclusion
model
modern
mouth
object
open
orthodontic
orthodontics
orthodontist
patient
pediatric
plastic
plate
professional
retainers
small
smile
stomatology
technology
teeth
tooth
treatment
work