Conservative Dentistry is the branch of dentistry which is concerned with the conservation of teeth in the mouth. It embraces the practice of operative dentistry and sometimes endodontics and includes various kinds of direct and indirect restorations of individual teeth in the mouth.

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Endodontic therapy or root canal therapy is a sequence of treatment for the infected pulp of a tooth which results in the elimination of infection and the protection of the decontaminated tooth from future microbial invasion.

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The root treated teeth 1,2 and 3.

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