It allows Nutrients and waste substances to pass through them
A is Skipping
B Is Walking
C is Surfing
D is Gardening
Hope that what ya wante,. Good Day mate
Answer:
This procedure is called chairside bleaching and usually requires only one office visit. The dentist will apply either a protective gel to your gums or a rubber shield to protect your gums. Bleach is then applied to the teeth.
Explanation: