Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2019  |  Volume : 22  |  Issue : 4  |  Page : 391-395

Comparative evaluation of microleakage after root-end resection by erbium, chromium: Yttrium-scandium-gallium-garnet (Er, Cr:YSGG) laser and carbide bur with or without placement of mineral trioxide aggregate: An in vitro study


1 Department of Conservative Dentistry and Endodontics, Bhojia Dental College and Hospital, Baddi, Solan, Himachal Pradesh, India
2 Department of Conservative Dentistry and Endodontics, Dr. R. Ahmed Dental College and Hospital, Kolkata, West Bengal, India
3 Department of Conservative Dentistry and Endodontics, North Bengal Medical College and Hospital, Darjeeling, West Bengal, India
4 Department of Conservative Dentistry and Endodontics, Rayat and Bahra Dental College and Hospital, Mohali, Punjab, India

Correspondence Address:
Dr. Shabnam Negi
Department of Conservative Dentistry and Endodontics, Bhojia Dental College and Hospital, Baddi, Solan, Himachal Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JCD.JCD_48_19

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Background: Root-end resection followed by retrofilling is one of the prime requisites to avoid apical microleakage. Aim: It comparatively evaluated the microleakage after root-end resection by erbium, chromium:yttrium, scandium, gallium, and garnet laser and carbide bur with or without placement of mineral trioxide aggregate (MTA). Materials and Methods: In this study, 60 maxillary central incisors were decoronated and biomechanically prepared. Out of 60 samples, 48 were included in the experimental group while the rest 12 were in the control group. The samples in the experimental group were obturated, whereas the samples in the control group were not obturated. The experimental group samples were divided into two: one group resected with the laser and the other half resected with carbide bur. These groups were further subdivided into two – one group retrofilled with MTA and the other half without MTA. The control group had both laser- and carbide bur-resected samples with positive and negative controls. All the samples were dyed, decalcified, and cleared. Digital photograph of each sample was taken, and the area of dye penetration was measured with the help of ImageJ software. Statistical Analysis: Analysis of variance and Tukey's test were done. Results: The highest microleakage was seen in carbide without MTA and the least was seen with laser with MTA. Conclusion: Laser-resected MTA-retrofilled samples showed minimum leakage.


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