Unlike type 2 diabetes, Type 1 diabetes is not preventable, once you get it you can only manage your diabetes well to have fewer complications.
Therefore your answer should be B: Type 1 diabetes cannot be prevented.
I hope this helps :)
-Patient to dental team: Direct contact, droplet infection, inderect contact
-Dental team to patient: droplet infection
-Patient to patient: contaminated instruments
-Dental office to community: Contaminated impressions or equipment.
-Community to Dental office to Patient: Municipal water
PS: I only could think of these...so yea your welcome :0
Because you need to make sure that your dishes and things are clean, and not dirty, so you can use them again and all that.
Hands. Which is why handwashing is one of the most effective ways of preventing infections.