Aim: This study comparatively evaluated the efficacy of Endovac irrigation system with conventional needle irrigation in removing smear layer from the root canal.
Study Design: Thirty permanent maxillary central incisors were divided into 3 groups of 10 teeth each. In group I, the teeth were instrumented and irrigated by conventional irrigation using 27-gauge irrigation needle. In group II, irrigation was done using Endovac irrigation system. In group III (negative control) chemomechanical preparation was performed using saline solution. Scanning electron microscope evaluation was done for assessment of smear layer removal in the coronal, middle, and apical thirds.
Results: Data were analyzed using post hoc test and Kruskal-Wallis test for significance at P < .05. Statistically significant difference was seen between the 2 test groups in smear layer removal from the apical third (3 mm) of the root canal, although no significant difference was seen in the coronal and middle thirds. The most efficient smear layer removal was seen in group II (Endovac) compared with other groups (P < .05).
Conclusions: The study showed significantly better removal of smear layer from the apical third of root canal using Endovac compared with conventional needle irrigation.
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http://dx.doi.org/10.1016/j.tripleo.2011.02.024 | DOI Listing |
Medicina (Kaunas)
January 2025
Faculty of Dentistry, University of Santiago de Compostela, 15782 Galicia, Spain.
: This systematic review aimed to compare the effect of chitosan in smear layer removal with other commonly used chelators during root canal treatment. : The PRISMA guidelines were followed. Ex vivo studies performed in non-endodontically treated extracted human permanent teeth with a fully formed apex, in which sodium hypochlorite was the main irrigant and chitosan was used as final irrigation to observe its capacity to remove the smear layer using a Scanning Electron Microscope (SEM), were included.
View Article and Find Full Text PDFDent J (Basel)
December 2024
Dental School, University of Seville, 41009 Seville, Spain.
Endodontic therapy aims at preventing or curing apical periodontitis. To conduct this, the cleaning and shaping of the canals are essential. By using an irrigant, such as sodium hypochlorite (NaOCl), practitioners attempt to wash out debris, dissolve organic and inorganic tissue, lubricate the canals, prevent smear layer formation, and disrupt biofilms.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Department of Endodontics, Faculty of Oral and Dental Medicine, Egyptian Russian University, Badr City, Egypt.
Background: Disinfection of the root canal system is a challenge to all clinicians, calcium hydroxide Ca(OH) one of the most popular intracanal medications used for this purpose, has some unwanted effects on dentine. This study aimed to investigate the antibiofilm effect of Nanochitosan (CSNPs) and Calcium hydroxide Ca(OH) intra canal medications and their effect on the microhardness and chemical structure of radicular dentine.
Methodology: A total of 52 extracted human mandibular premolars were used.
Photodiagnosis Photodyn Ther
January 2025
Department of Prosthetic Dental Sciences, College of Dentistry. King Saud University. Riyadh, Saudi Arabia PO Box-60169. Electronic address:
Aim: To investigate the effectiveness of unconventional post space disinfection techniques, specifically Er:YAG laser, Temoporfin, and Carbon Nanoparticles (CNPs), in improving Martens hardness (MH), eliminating the smear layer (SL), and enhancing the push-out bond strength (PBS) of glass fiber posts in canal dentin.
Methods: An in vitro study was conducted utilizing 80 single-rooted extracted human teeth, which were decoronated and subjected to standardized root canal preparation. The teeth were equally distributed into four experimental groups: Group 1 (NaOCl + EDTA), Group 2 (Er: YAG laser + EDTA), Group 3 (Temoporfin + EDTA), and Group 4 (CNPs + EDTA).
Photodiagnosis Photodyn Ther
January 2025
Doctoral Program of Mathematics and Natural Science, Faculty of Science and Technology, Universitas Airlangga, 60115, Surabaya, Indonesia. Electronic address:
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