Answer:
Communicable disease: means it can be passed by simply talking or it will just be on a person and it will fly through the air trying to find another victim, or it can be transfered by touch.
Non-Communicable disease: A disease that cannot be transfered from person to person, ex: strokes, heart diseases (most), and diabetes etc.
Poor hygiene can cause dental diseases that break away at your teeth or can cause infections is the mouth.
poor hygiene is a communicable disease, it can be a symptom of anything from food poisoning and scabies, to hepatitus A.
hope this helps.