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2005•Journal of Clinical StomatologyRequires access

A clinical study of posterior teeth root canal working length measured by electronic apex locator

WU Guo-yin

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Abstract

Objective:To investigate the clinical effect of Root ZX electronic apex locator in measuring posterior teeth root canal working length.Method:186 root canals working length of 60 patients with 79 posterior teeth were measured by Root ZX and calculate by X-ray.Result: An accurate rate of real working length ranged ±0.5 mm was 87.6%. The difference between vital pulp and necrotic pulp was not significant(P0.05).Conclusion: Root ZX is accurate in root canal working length measuring.

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What this paper is about

Objective:To investigate the clinical effect of Root ZX electronic apex locator in measuring posterior teeth root canal working length.Method:186 root canals working length of 60 patients with 79 posterior teeth were measured by Root ZX and calculate by X-ray.Result: An accurate rate of real working length ranged ±0.5 mm was 87.6%. The difference between vital pulp and necrotic pulp was not significant(P0.05).Conclusion: Root ZX is accurate in root canal working length measuring.

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Available abstract

Objective:To investigate the clinical effect of Root ZX electronic apex locator in measuring posterior teeth root canal working length.Method:186 root canals working length of 60 patients with 79 posterior teeth were measured by Root ZX and calculate by X-ray.Result: An accurate rate of real working length ranged ±0.5 mm was 87.6%. The difference between vital pulp and necrotic pulp was not significant(P0.05).Conclusion: Root ZX is accurate in root canal working length measuring.

Key concepts: Root canal, Apex (geometry), Pulp (tooth), Dentistry, Posterior teeth, Significant difference, Root (linguistics), Medicine

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