There is ample published literature regarding the technical aspects of restoring root-filled teeth, but little concerning the biological impacts, consequences, and criteria for the selection of direct restorative materials following endodontic treatment. The provision of an effective coronal seal in addition to a sound root filling is known to be important in the prevention of root canal infection. This review seeks to explore the evidence concerning the selection of dental materials in the restoration of root-filled teeth, specifically with a close examination of the properties of commonly used materials as orifice barriers. © 2023 Australian Dental Association.
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Experimental investigation and finite element analysis on the durability of root-filled teeth treated with multisonic irrigation.
Dent Mater
January 2025
Minnesota Dental Research Center for Biomaterials and Biomechanics, School of Dentistry, University of Minnesota, Minneapolis, MN, USA. Electronic address:
Objective: This study compared the fracture load, stress distribution, and survival probability under cyclic loading of extensively restored teeth treated with multisonic irrigation with those treated with conventional instrumentation, with or without a post.
Methods: Mesial-occlusal-distal cavities were prepared in 30 human mandibular premolars. The teeth were randomly divided into 3 groups of 10 based on the endodontic and restorative procedures: (1) Root canal treatment (RCT) followed by resin composite restoration (control group), (2) RCT followed by a glass fiber post restoration (conventional group), and (3) minimal instrumentation plus multisonic irrigation followed by resin composite restoration (GW group).
Endodontic emergency patients' profile and treatment outcome - a prospective cohort study.
BMC Oral Health
December 2024
Department of Clinical Dentistry Section of Endodontics, The Faculty of Medicine, University of Bergen, Bergen, Norway.
Background: Toothache is a debilitating condition, often with mild to excruciating pain, swelling, eating difficulties and insomnia. This study aims to delineate the profiles of patients seeking emergency dental care, focusing on the diagnosis, treatment, and outcomes following non-surgical root canal treatment.
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Long-term outcomes and complication rates of tooth-implant-supported fixed dental prostheses: A retrospective cohort study.
J Prosthodont
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Department of Periodontology, Centre for Oral Rehabilitation, Linköping, Sweden.
Article Synopsis
- The study investigates factors affecting risks of complications in tooth-implant-supported fixed dental prostheses (T-I-FDPs), focusing on implant location, configuration, and existing dental health.
- A cohort of 58 patients over 5 years revealed that mandibular placements have a lower risk of complications compared to maxillary placements, while complex arrangements and root-filled teeth increase complication rates.
- The findings emphasize the importance of tailoring treatment approaches based on anatomical and health factors to improve long-term results for T-I-FDP patients.
Orifice barrier preferences for coronal restoration of root filled teeth by endodontists and other dental practitioners in Australia: A questionnaire survey.
J Dent
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Melbourne Dental School, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Victoria, Australia; eviDent Foundation, South Yarra, Victoria, Australia.
Objectives: To compare the use of orifice barriers (OB) in root-filled teeth (RFT) between specialist endodontic practitioners (SEP) and general and other specialist practitioners (GDP+), and identify common materials, reasons for selection, and techniques.
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Photomechanical Investigation on the Impact of Endodontic Cavity Design on the Biomechanical Response in Mandibular Posterior Teeth.
J Endod
January 2025
Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada. Electronic address:
Introduction: The traditional endodontic cavity (TEC) facilitates canal preparation, but may increase susceptibility to root fracture; conservative endodontic cavities (CEC) aim to preserve tooth structure to maintain the structural integrity of root-filled teeth. The objective of this study was to evaluate the effect of access cavity design and the degree of pulp chamber root removal on the microstrain distribution patterns under different levels of functional loading using digital moiré interferometry.
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