If your teeth start decaying, the dentist may advise you to have your teeth filled. Which of the following is not used as the dental filling?
A
Gold
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B
Sorel's cemenet
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C
Zinc oxychloride
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D
Zinc
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Solution
The correct option is D Zinc A metal is used as dental filling, if it is not reacted with teeth. Zinc is reactive metal. So, it is not used in dental filling.