Question

Dental caries or tooth decay (a) ............. gradual J
softening 6)......... enamel and dentine. It begins in
(c) .......... bacteria acting on sugars produce acids e
that softens or demineralises (d) .......... enamel.
Masses of bacterial cells together (e) ............ food
particles stick to the teeth to form dental plaque.
Brushing the teeth (f) ................ eating removes
the plaque before the bacteria produce acids.
(g). .......... untreated microorganisms (h).
invade the pulp, causing inflammation and
infection​

Answer 1

$\boxed{Answer}$

a→is

b→of

c→from

d→the

e→with

f→after

g→the

h→often

Answer 2

Answer:

a) is

b) of

c) when

d) the

e) with

f) after

g) the

h) often