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Evaluation of the efficiency of smear layer removal during endodontic treatment using scanning electron microscopy: an in vitro study.
BMC Oral Health
January 2025
Department of Dental Science, Damascus University, Damascus, Syria.
Background: The smear layer formed during root canal instrumentation negatively affects root canal irrigation activity, which in turn can affect the treatment prognosis of endodontic treatment.
Aim: The aim of this study is to compare the efficiency of smear layer and debris removal in root canals using different irrigation protocols using scanning electron microscopy (SEM).
Materials And Methods: The quality of smear layer removal throughout the root canal was assessed in 30 intact extracted teeth divided into 3 groups according to the irrigation protocol: Group 1: 3% sodium hypochlorite (NaOCL) alternately with 17% ethylenediaminetetraacetic acetate (EDTA) was used.
In vitro evaluation of antimicrobial photodynamic therapy with photosensitizers and calcium hydroxide on bond strength, chemical composition, and sealing of glass-fiber posts to root dentin.
Lasers Med Sci
January 2025
Department of Preventive and Restorative Dentistry, Discipline of Endodontics, Araçatuba School of Dentistry, São Paulo State University - UNESP, Araçatuba, SP, Brazil.
Investigate the impact of antimicrobial photodynamic therapy (aPDT) using different photosensitizers (PSs) such as indocyanine green (IG), curcumin (CC), and methylene blue (MB), with or without intracanal application of calcium hydroxide (CH), on the push-out bond strength of glass-fiber posts (GFPs) to intraradicular dentin, the chemical composition of the root substrate, and the sealing of the adhesive interface across different thirds of intraradicular dentin. A total of 112 bovine teeth underwent biomechanical preparation and were divided into eight experimental groups (n = 14 each): Negative control with deionized water; positive control with deionized water + CH; IG group with indocyanine green and infrared laser; IG + CH group; CC group with curcumin and blue LED; CC + CH group; MB group with methylene blue and red laser; and MB + CH group. The push-out bond strength was measured using a universal testing machine (n = 8), and scanning electron microscopy characterized the fracture patterns.
View Article and Find Full Text PDFInterdisciplinary problem-based learning model for standardized dental residency training: from theory to practice in dental trauma management.
Front Med (Lausanne)
January 2025
State Key Laboratory of Oral Diseases and National Center for Stomatology and National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontic, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
Objective: Enhancing clinical skills and quality of dental residents is critical for standardized training. Conventional standardized training falls short in exposing residents to diverse scenarios and fostering interdisciplinary collaboration, essential for dental trauma management. To address these issues, West China Hospital of Stomatology, Sichuan University introduced an interdisciplinary problem-based learning (IPBL) model to improve residents' professional quality and practical abilities.
View Article and Find Full Text PDFPerception of Pedodontists Regarding Dental Care in Children with Special Needs in India: A Cross-sectional Study.
Int J Clin Pediatr Dent
December 2024
Department of Prosthodontics, Indira Gandhi Govt Dental College and Hospital, Jammu, Jammu and Kashmir, India.
Background: Pedodontists have a vital role in maintaining the overall health of children with special health care needs (CSHCN) by providing basic, preventive, comprehensive, and restorative dental care to such children. In doing so, Pedodontists face many challenges due to several environmental and nonenvironmental barriers.
Aim: The aim is to gain insight into the perceptions of Pedodontists in India on providing oral health care to CSHCN and the challenges they encounter in doing so.
Obturation of Simulated Internal Resorption Cavities With Four Different Techniques and a Hydraulic Root Canal Sealer: A Comparative Stereomicroscopic Evaluation.
Cureus
December 2024
Conservative Dentistry and Endodontics, Sri Ramachandra Dental College and Hospital, Sri Ramachandra Institute of Higher Education and Research, Chennai, IND.
Aim To compare the quality of obturation using WVC (warm vertical compaction), CLC (cold lateral compaction), injectable (iFill), and Thermafil (GuttaCore) techniques, along with hydraulic condensation of bioceramic (BC) sealer, and evaluating the percentage of gutta-percha (GP), sealer, and voids in simulated internal resorptive lesions, using an advanced stereomicroscope with ImageJ software (National Institutes of Health, Bethesda, MD, USA). Methods and material In this study, 40 freshly extracted maxillary incisors were collected, and endodontic instrumentation was done to working length using hand K-files. Simulated internal resorption cavities were created in the middle-apical third of the roots after horizontal sectioning and were re-cemented.
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