日本語
houtai koukan
changing of bandages
Sometimes "GW" is used in written words.
houkou
ほうこう
おきしどーる
oxydol
さっきん
sterilization
しこうじょきょ
plaque removal
しせきじょきょ
scaling
しょうどく(を)する
to sterilize ; to disinfect