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2011•China Medical HeraldRequires access

A clinical study of the accuracy of Root ZX in determining root canal working length of primary teeth

Liu Jian-feng

Open publisher page 1 citations

Abstract

Objective: To evaluate the accuracy of Root ZX electronic apex locator in determining the working length of primary teeth.Methods: A total of 214 primary teeth were chose and the electronic length were determined with Root ZX apex locator.The post-operation radiograph was taken to judge the accuracy.Results: The fit filling rate of the measurement was 93.3%.There was no significant difference between anterior primary teeth and primary molars,no significant difference between vital teeth and necrotic teeth,and no difference between apical root resorption and nonresorption(P0.05).Conclusion: Root ZX has high accuracy in determining the working length of primary teeth.

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What this paper is about

Objective: To evaluate the accuracy of Root ZX electronic apex locator in determining the working length of primary teeth.Methods: A total of 214 primary teeth were chose and the electronic length were determined with Root ZX apex locator.The post-operation radiograph was taken to judge the accuracy.Results: The fit filling rate of the measurement was 93.3%.There was no significant difference between anterior primary teeth and primary molars,no significant difference between vital teeth and necrotic teeth,and no difference between apical root resorption and nonresorption(P0.05).Conclusion: Root ZX has high accuracy in determining the working length of primary teeth.

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Available abstract

Objective: To evaluate the accuracy of Root ZX electronic apex locator in determining the working length of primary teeth.Methods: A total of 214 primary teeth were chose and the electronic length were determined with Root ZX apex locator.The post-operation radiograph was taken to judge the accuracy.Results: The fit filling rate of the measurement was 93.3%.There was no significant difference between anterior primary teeth and primary molars,no significant difference between vital teeth and necrotic teeth,and no difference between apical root resorption and nonresorption(P0.05).Conclusion: Root ZX has high accuracy in determining the working length of primary teeth.

Key concepts: Medicine, Apex (geometry), Root canal, Dentistry, Significant difference, Molar, Anterior teeth, Root resorption

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