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AUTHORíS REPLY
Year : 2022  |  Volume : 12  |  Issue : 3  |  Page : 339

Author's reply


Department of Endodontics, Hamdan Bin Mohamed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates

Date of Web Publication1-Sep-2022

Correspondence Address:
Mohamed Jamal
Department of Endodontics, Hamdan Bin Mohamed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai
United Arab Emirates
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1658-5984.354839

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How to cite this article:
Jamal M. Author's reply. Saudi Endod J 2022;12:339

How to cite this URL:
Jamal M. Author's reply. Saudi Endod J [serial online] 2022 [cited 2022 Oct 5];12:339. Available from: https://www.saudiendodj.com/text.asp?2022/12/3/339/354839

We would like to thank the feedback we received regarding our paper “Effect of sonic irrigation activation at different frequencies in smear layer removal; an in vitro experimental study”.[1] I agree with the mentioned limitations of the SEM to analyze the smear layer removal. I also agree that micro-computed tomography and other advanced new analysis methods can produce higher quality data. However, I still consider scanning electron microscope (SEM) as one of the essential methods to analyze smear layer presence and removal. In future studies evaluation of removal of smear layer can be done using different methods, and SEM can always be one of them.

Regarding the sample selection and its potential effect on the results, we have implemented several methods to control the variabilities among the samples. First, all the samples were premolars with single canal and with a curvature of <20°. Furthermore, we have distributed these samples randomly among the groups and choose one of the split sections randomly to be analyzed. Moreover, three random images from each section were taken by blinded investigator. Such selection and randomization method have generated samples with close anatomical resemblance and reduced the chance of bias. Furthermore, we had control group to compare our results with. Our results showed that most of the control samples had heavy smear layer. These results besides showing that irrigation activation is important in removing smear layer, it clearly showed that cleaning and shaping produced samples with detectable smear layer, reducing the concern of having samples with no smear layer to begin with.

 
  References Top

1.
Aalmohamed E, Ahmed F, Alfardan L, El Abed R, Khamis AH, Jamal M. Effect of sonic irrigation activation at different frequencies in smear layer removal; An in vitro experimental study. Saudi Endod J 2022;12:106-13.  Back to cited text no. 1
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