英文關鍵字
dentist
patient
teeth
clinic
appointment
dental
deep
cleaning
hygienist
visit
mature
man
oral
medical
treat
professional
center
doctor
hygiene
tools
procedure
person
european
care
caucasian
check
checkup
cure
technician
dentistry
disease
drill
drilling
equipment
health
healthcare
healthy
hospital
medicine
people
practice
technology
toothache
treatment
uniform
whiten
caries
work