Importance

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Abstract

A gutta-percha point, used as a root canal plugging material in an endodontic treatment, is disclosed. The gutta-percha point has a plurality of engraved or embossed marks as working length marks on its upper portion. Each of the engraved or embossed marks is preferably painted with a distinguishable color along a circumferential surface. The above marks are formed on the point within a marking range while being spaced out at intervals of 1 mm and 2 mm. The marking range starts at a position, spaced apart from the apex of the point by 18 mm, and ends at a position spaced apart from the apex by 24 mm. The gutta-percha point thus allows an endodontist to be free from a repeated marking of working lengths on such points during an endodontic treatment, thus allowing the endodontic treatment to be accomplished within a desired short period of time. Due to the working length marks, the gutta-percha point is precisely inserted into an access cavity of a decayed tooth by a desired depth, thus being free from forming a dead space in the root canal or piercing the apical tissue.

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First Claim