why do tooth ache when there is a hole in them
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It ache due penetration of bacteria from top most layer which is enamel to pulp.Pulp is a living tissue unlike dentine and enamel that covers pulp in a normal tooth so when ever bacteria reach pulp through in dentine and enamel tooth ache starts.
sachikumar:
pagal
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That hole is known as a cavity a d as it ke
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