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ORIGINAL ARTICLE
Year : 2017  |  Volume : 29  |  Issue : 2  |  Page : 142-145

Do mobile phones cause interference on electronic apex locators? An in vitro study


Maitri College of Dentistry and Research Center, Anjora, Chhattisgarh, India

Correspondence Address:
Aditi Subodh Jain
D 13, Kailash Nagar, Rajnandgaon, Chhattisgarh - 491 441
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/endo.endo_5_17

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Aim: The purpose of this study was to evaluate the interference of smart phone (Iphone 5s) during working length determination on electronic apex locators (Root ZX and NSK ipex II) function in vitro. Materials and Methods: Two EALs: Root ZX (J. Morita Co., Tustin, CA, U.S.A.) & NSK ipex II were tested for any interference with smart phone during working length determination. The effect of cellular phones on electronic working length (EWL) was determined under 2 experimental settings: 1) in a multispeciality set up with good signal strength 2) in a closed room with poor signal strength and Five conditions a) Control group - No mobile phone in the room b) In close contact with EAL in safe mode c) in close contact with EAL for 30 seconds d) Phone kept at a distance of 35 cm from EAL in safe mode e) Phone kept at a distance of 35 cm from EAL in calling mode for a duration of 30 seconds. The readingswas scored from 1 to 3 and the data was subjected for statistical analysis. Results: Statistical significant difference was obtained when an intergroup comparison was made using two- way repeated analysis of variance. Conclusion: Electronic apex locators tested did not cause inhibition or interfere with mobile phones.


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