A comparative SEM assessment for the ability of PIPS, XP-Finisher and PUI to eliminate smear layer and open dentinal tubules

Document Type : Original Article

Authors

1 Associate Professor, Department of Endodontic, Faculty of Dentistry, Ain Shams University, Cairo, Egypt.

2 Associate Professor, Department of Endodontic, Faculty of Dentistry, Modern science and arts – MSA Egypt.

3 Associate Professor of Oral Biology, Faculty of Oral and Dental Medicine, Future University, Cairo, Egypt.

Abstract

Aim: This study aimed to assess the removal of smear layer from the dentinal surfaces after canal cleaning and irrigants activation with different systems (Conventional needle irrigation, PUI, PIPS, XP-Finisher).
Methodology: Seventy human single rooted maxillary incisors were instrumented up to X5 (50/6) Protaper Next rotary system. The irrigation activation was performed using either: PIPS, PUI, XP-Finisher, or conventional irrigation. Samples were cut lengthwise, then examined under a scanning electron microscope. Data were analyzed with Kruskal- Wallis test. Significant difference between the groups was recorded statistically in the total scores of the smear layer on dentinal wall (P<0.05).
Results: PIPS and XP-Finisher groups showed more smear layer removal than the conventional and PUI groups and this was statistically significant (P<0.05). This was clearly presented by opened dentinal tubules in photomicrograph of SEM.
Conclusion: With the constraints of this in vitro study, PIPS and XP-Finisher are better in eliminating smear layer from dentinal walls.

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Egyptian Dental Journal
Volume 68, Issue 2 - Serial Number 5
Conservative Dentistry and Endodontics
April 2022
Pages 1937-1943

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