Which among the two is the hardest substance of our body:enamel or dentine ?

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Solution

Enamel is the hardest substance in the human body and contains the highest percentage of minerals,[3] 96%, with water and organic material composing the rest.[4] The primary mineral is hydroxyapatite, which is a crystalline calcium phosphate

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\begin{matrix} Parts of teeth & Description 1. Enamel & i) It is a calcified substance that helps in joining the teeth in the socket 2. Dentine & ii) It consists of connective tissue, nerve fibres, lymph and blood vessels. 3. Cement & iii) It is the outermost layer of the teeth and the hardest substance of the body. 4. Pulp cavity & iv) It joins enamel and pulp. \end{matrix}

___ is the hardest substance in our body.

\begin{matrix} Parts of teeth & Description 1. Enamel & i) It is a calcified substance that helps in joining the teeth in the socket. 2. Dentine & ii) It consists of connective tissue, nerve fibres, lymph and blood vessels. 3. Cement & iii) It is the outermost layer of the teeth and the hardest substance of the body. 4. Pulp cavity & iv) It joins enamel and pulp. \end{matrix}

\begin{matrix} Parts of teeth & Description 1. Enamel & i) It is a calcified substance that helps in joining the teeth in the socket 2. Dentine & ii) It consists of connective tissue, nerve fibres, lymph and blood vessels. 3. Cement & iii) It is the outermost layer of the teeth and the hardest substance of the body. 4. Pulp cavity & iv) It joins enamel and pulp. \end{matrix}

A: Tooth is the hardest part of the human body.

R: Enamel is the hardest material in the human body.

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