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Showing 1-7 of 7 trials
NCT02636504
The objectives of this study are to determine the sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of laser Doppler flowmetry in determining the vitality of teeth and comparing with those of electric pulp testing and cold testing.
NCT07102121
This randomized controlled trial aims to compare post-cementation sensitivity between resin-modified glass ionomer cement (RMGIC) and conventional glass ionomer cement (GIC) as luting materials. Conducted at the Prosthodontics Department, Saidu College of Dentistry, Swat, the study will enroll 248 patients aged 15-70 with vital abutment teeth, randomly assigned to receive either RMGIC or GIC. Sensitivity will be assessed using a 10-point Visual Analog Scale (VAS), with scores above 1 considered indicative of post-operative sensitivity and further categorized for analysis. Strict inclusion/exclusion criteria and randomization will control bias and confounders. Data will be analyzed in SPSS 22 using t-tests and chi-square tests, with significance set at p≤0.05.
NCT06606236
Objective. This study assessed the neuropeptide Y (NPY) expression in healthy human dental pulp following tooth bleaching with three in-office hydrogen peroxide-based systems: Opalescence Boost© (Ultradent Products, South Jordan, UT), Pola Office© (SDI, Victoria, Australia), and Zoom© (Zoom! Bleaching System; Discuss Dental, Culver City, CA). Materials and Methods. Forty dental pulps were collected from healthy premolars scheduled for extraction for orthodontic reasons. Teeth were divided into four groups containing ten healthy premolars each: Control group (n= 10): the teeth were not exposed to dental bleaching agents (healthy pulps assessed for normal/basal NPY values). Pola Office system group (n= 10): application of Pola office (35% H2O2) for 8 minutes. Opalescent Boost system group (n= 10): application of Opalescent Boost (40% H2O2) for 20 minutes. Zoom system group (n= 10): application of Zoom! (25% H2O2 + cold blue light) for 15 minutes. The investigators rigorously followed the manufacturer's instructions for all bleaching systems. Following the extractions, the pulpal tissue was collected, placed in a 4% formaldehyde solution in Eppendorf tubes, and processed. NPY levels were measured using enzyme-linked immunosorbent assay (ELISA).
NCT03376984
The purpose of this study is to to compare root canal therapy success between two root canal filler materials: 1) gutta percha (GP), 2) gutta percha modified with nanodiamonds and amoxicillin (NDGX). Gutta percha is the current standard root canal filler material used during non-surgical root canal therapy (RCT). Gutta percha modified with nanodiamonds and amoxicillin is an investigational root canal filler material, not yet FDA approved for use as described in this study. The safety and usefulness of NDGX is being tested in this study in comparison to the current standard of care, gutta percha (GP).
NCT05310500
The goal of the endodontic treatment is to make the root canal system free of the bacteria and its products to maximum extent, to allow healing of the inflamed apical periodontium. Nickel titanium files have super elasticity, better cutting efficiency, and shapes canal anatomy more efficiently as compared to stainless steel manual files. Regardless of these properties, main shortcoming of Ni-Ti based files is their tendency to fracture unexpectedly inside the root canals. This abrupt file separation could be due to mechanical friction or chemical stimuli leading to the damage of surface contents (wear) and formation of micro cracks, waviness, scratches or roughness. Sodium Hypochlorite is considered a gold standard irrigant in endodontics that renders bacteria free root canal system, but it has been postulated to have many shortcomings and certain concentrations of Sodium Hypochlorite affects the properties of Ni-Ti rotary instruments. This clinical trial aimed to compare the physical properties (dimensional stability, deformation, surface roughness and metal slivering) and impact of 5.25% sodium hypochlorite on these physical properties of Protaper Gold finishing F2 Files and Dia-X ProTaper finishing D4 files when subjected to root canal preparation.
NCT02702505
Mineral trioxide aggregate has been previously FDA approved as an endodontic filler. Its use in vital teeth has demonstrated significant color change post-treatment leaving it ineffective for esthetic use.. The new formulation will be tested to see if has the same effect.
NCT02286648
The purpose of this study is to evaluate the clinical and radiographic success rate of Miniature pulpotomy with Mineral Trioxide Aggregate (MTA) in primary molars.