Is there any difference in length measurement methods for pulpectomies in primary teeth?—A double‐blind, controlled clinical trial

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Electronic and radiographic methods are alike in figuring the root canals’ length measurement in teeth pulpectomies, except for canals that are mesiolingual or distobuccal.


Sixty‐four children (192 canals) between 5 and 9 years old with indication for pulpectomy of a primary molar were contained after eligibility standards. A radiographic measurement was obtained from pre‐operative radiography in the cusp tip into the apex or resorption of the root. The measurement was obtained from a complete measurement of the tube using an electronic device up to the apex. Data were analysed with Bland‐Altman plots and Wilcoxon test.


Statistically, there is no significant gap between radiographic and electronic measurements for your palatal canal or distal canal, as well as mesiobuccal canals (P > .05). Statistically, there, however, is a significant difference between the dimensions for the distobuccal canal and mesiolingual canal measurements (P < .05). High internal consistency for both radiographic and electronic methods was achieved (α ≅ 1).
To evaluate whether there is a gap in the accuracy of electronic apex locators in comparison with the conventional radiography in span measurements that are working.

Working length is an important step in teeth pulpectomy.



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