Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2015  |  Volume : 18  |  Issue : 4  |  Page : 288-291

Comparison of third generation versus fourth generation electronic apex locators in detecting apical constriction: An in vivo study


1 Department of Conservative Dentistry and Endodontics, Dayanandasagar College of Dental Sciences, Bengaluru, Karnataka, India
2 Department of Endodontics and Cosmetic Dentistry, NMC Specialty Hospital LLC, Abu Dhabi, United Arab Emirates
3 Department of Conservative Dentistry and Endodontics, KLE VK Institute of Dental Sciences, Belgaum, Karnataka, India

Correspondence Address:
Dr. Devarsanahalli Venkataramanaswamy Swapna
Department of Conservative Dentistry and Endodontics, Dayanandasagar College of Dental Sciences, Bengaluru - 560 078, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0707.159726

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Aim: The aim of this in vivo study was to compare the accuracy of Root ZX and Raypex 5 in detecting minor diameter in human permanent single-rooted teeth. Materials and Methods: Thirty-one patients with completely formed single-rooted permanent teeth indicated for extraction were selected for the study. Crown was flattened for stable reference point and access cavity prepared. Working length was determined with both apex locators. A 15 K file adjusted to that reading was placed in the root canal and stabilized with cement. The tooth was then extracted atraumatically. Following extraction apical 4 mm of root was shaved. The position of the minor diameter in relation to the anatomic apex was recorded for each tooth under stereomicroscope at ×10. The efficiency of two electronic apex locators to determine the minor diameter was statistically analyzed using paired sample t-test. Results: The minor diameter was located within the limits of ±0.5 mm in 96.6% of the samples with the Root ZX and 93.2% of the samples with Raypex 5. The paired sample t-test showed no significant difference. Conclusion: On analyzing the results of our study it can be concluded that Raypex 5 was as effective as Root ZX in determining the minor diameter.


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