Comparative analysis ex vivo of the accuracy of three apex locators: Root ZX, Bingo 1020 and Ipex
Journal Title: RSBO - Year 2009, Vol 6, Issue 1
Abstract
Introduction and objective: The objective of this study was to evaluate ex vivo the reading accuracy of three electronic apex locators – Root ZX, Bingo 1020 and Ipex –, in respect to the real measure of the teeth.Material and methods: Fifty single root premolar teeth extracted were selected. After coronary access, the length tooth (LT) measurement was directly realized by the insertion of a K#10 file in the canal until its tip was observed in the apical foramen with the help of a magnifying glass (8X). After removing the file, its length was recorded with accuracy of 0.01 mm using digital caliper. Then, the teeth were electronically measured (LE) whit the three apex locators until achieving the zero mark on the display of each unit. The electronically measures obtained were compared with the LT and the differences were analyzed by the Kruskal-Wallis Test and by the test of proportions (α = 0.05). Results:It was found that the Root ZX system was statistically different from the Ipex (p < 0.01),and the Bingo system presented intermediary result,showing to be statistically similar to the Root ZX and Ipex systems (p > 0.05).Within the limit of tolerance of ± 1.0 mm, the results demonstrated an accuracy of 100% for ZX Root, 94% for Bingo and 90% for Ipex when compared to the LT values. However,in the limits of ± 0.5 mm the accuracy achieved was 90% for Root ZX, 68% for Bingo and 52% for the Ipex.Conclusion: It was concluded that all electronic devices tested were able in determining the precise tooth length when considered a variation of 1 mm from the position of apical foramen. Nevertheless,when considered a variation of 0.5 mm, only the unit Root ZX proved to be accurate.
Authors and Affiliations
Roberta HEIDEMANN, Felipe VAILATI, Cleonice TEIXEIRA, César OLIVEIRA, Braulio PASTERNAK JUNIOR
Keywords
Related Articles
- EP ID EP113292
- DOI -
- Views 180
- Downloads 0
Evaluation of the inflammatory response of the subcutaneous conjunctive of mice against some endodontic irrigations solutions
Introduction: Sodium hypochlorite has been used as an endodontic irrigant since 1936, when Walker used it as Sodium Chlorine. Since then it has became the most well acceptable endodontic irrigant. During the last f...
Evaluation of the methodology in publications describing epidemiological design for dental research: a critical analysis
Introduction and objective: To describe, analyze, and critically review the methodology employed in dental epidemiological research available on electronic databases, evaluating their structures according to Strobe and C...
Effect of delayed insertion of composite resin on the bond strength of etch-and-rinse adhesive systems
Introduction: Etch-and-rinse adhesive systems are characterized by the dental acid etching previously to the monomer application. These materials can be classified as 3-step (when primer and bond are applied separately)...
Analysis of the instrumentation time and cleaning between manual and rotary techniques in deciduous molars
Introduction: The rotary instrumentation provides shorter instrumentation time with greater comfort for the patient but few studies have been conducted on primary teeth. Objective: this study compared the cleaning...
Dental pulp stem cells in endodontic research: a promising tool for tooth tissue engineering
Introduction: Millions of teeth are saved each year by root canal therapy. Although current treatment modalities offer high levels of success for many conditions, an ideal form of therapy might consist of regenerative ap...