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To protect tooth decay we are advised to brush your teeth regularly. The nature of the tooth paste commonly used is |
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(a) |
acidic |
(b) |
neutral |
|
|
(c) |
basic |
(d) |
corrosive |
|
|
To protect tooth decay we are advised to brush your teeth regularly. The nature of the tooth paste commonly used is |
|
|||
|
(a) |
acidic |
(b) |
neutral |
|
|
(c) |
basic |
(d) |
corrosive |
|