Question

Q2: if we do not clean our teeth and mouth after eating food, then many harmful micro-organisms called A
begins to grow and live on the tooth. These micro-organisms act on the substance B present in the left-ovet
food particles sticking on the tooth to form C. The Ceats up the parts D and E of the tooth gradually and
ultimately make a hole in the tooth. When this hole reaches part F of the tooth, our tooth becomes painful and
we get toothache.
a) What are (1) A (ü) B (iii) C (iv) D (v) E and (vi) F?
b) What name is given to the process in which the tooth becomes rotten due to the formation of holes in
it?​

Answer 1

Answer:

A:Bacteria

B:Food particles

C: Plaque

D:Enamel

E:Dentine

F: Dental Pulp