2013•Journal of Anhui Health Vocational & Technical CollegeRequires access

Clinical evaluation of accuracy of a new apex locator—Propex in molar working length measurement on acute periapical periodontitis

Ling Qin

Abstract

Objective:To evaluate and analyze the accuracy of a new apex locator-Propex in molar working length measurement on acute periapical periodontitis.Methods:220 patients of acute periapical periodontitis(276 molars,512 root canals)were divide into 2 groups:Control group taken X-ray to observe and measuret root canal working length;While the study group with Propex.Results:The accuracy in molar working length measurement in the control and study groups was 77.5%,91.5% respectively.The accuracy of the two groups was statistically different.Conclusion:Propex is relatively accurate in molar working length measurement.

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Key concepts: Molar, Medicine, Dentistry, Apex (geometry), Periodontitis, Root canal, Orthodontics, Diagnostic accuracy