A confocal laser scanning microscopic analysis of efficacy of different activated irrigants in the removal of calcium hydroxide medicament and subsequent penetrability of Bio-C sealer - An study.

Aim: The aim of the study was to investigate the efficacy of different irrigants activated by pro-agitator tip system (PATS) Vario on the removal of calcium hydroxide medicament and subsequent penetration depth of Bio-C sealer.

Materials And Methods: Fifty single-rooted mandibular premolars were selected. Access cavities were prepared; biomechanical preparation was done.

An assessment of the influence of dentinal pretreatment with chlorhexidine, nonthermal atmospheric plasma, chitosan, and proanthocyanidins on shear bond strength to composite.

Context: Dentin biomodification has been emphasized as a means of improving the bond between composite resin and tooth surface, consequently enhancing its longevity.

Aim: To evaluate the shear bond strength (SBS) of dentin after pretreatment with 2% chlorhexidine (CHX), 2% chitosan, nonthermal atmospheric plasma (NTAP), proanthocyanidins (5% pine bark ((PB) and 5% bromelain).

Settings And Design: The study was designed as an investigation.

Effect of blood and artificial saliva contamination on marginal adaptation and sealing ability of different retrograde filling materials: A comparative analysis.

Objective: The objective of this study was to evaluate the effect of blood and artificial salivary contamination of different root-end filling materials on microleakage using a confocal laser scanning microscope and on marginal adaptation using a scanning electron microscope.

Materials And Methods: Eighty noncarious single-rooted teeth with mature apices were taken. After retro-cavity preparation, they were randomly assigned into two major groups ( = 40).

Is a mix - A fix? "A microscopic analysis of depth of penetration of three combinations of irrigants".

Aims: The aim of the study is to evaluate the penetration depth of irrigants mixed with NaOCl into dentinal tubules at the apical third of the root canal using a confocal laser scanning microscope (CLSM).

Materials And Methods: Thirty-six single-rooted teeth were selected, decoronated, and straight-line access established. Then, the canal was enlarged with hand Protaper till size F3.

Fracture Resistance of Different Post-Core Systems: An Study.

Reasons for the failed endodontic teeth which had an extensive restoration can be attributed to the multiple materials that were used in it. Various post-core materials that are commonly used are compared for fracture resistance in the current study. Fourty maxillary incisors that needed root canal therapy were allocated into four groups of 10 each.

Assessment of the Antimicrobial Effectiveness of Herbal Root Canal Irrigants (Propolis, Triphala, and Aloe Vera) and Chlorhexidine Against Enterococcus Faecalis.

Background: Complete microbial eradication from the root canal and 3-dimensional obturation of the canal space are necessary for an efficient root canal procedure.

Aim: The current research was conducted to assess the antimicrobial effectiveness of herbal root canal irrigants and Chlorhexidine against .

Materials And Methods: The brain heart infusion (BHI) broth was used to grow the (ATCC) bacterial culture overnight before it was inoculated onto Mueller-Hinton agar plates.

An comparison of alterations in surface topographies of three different rotary files after root canal preparation with different irrigating solutions: Atomic force microscopic study.

Objectives: The objective of the study was to evaluate and compare the surface topographies of WaveOne Gold (WOG), FlexiCON X1, and EdgeOne Fire (EOF) reciprocating files before and after root canal instrumentation using different irrigating solutions.

Materials And Methods: Forty-eight extracted mandibular molars were selected and randomly assigned into three groups ( = 16) based on the file system used and each group was divided into two subgroups based on the irrigants used during root canal treatment. (Group-1: WOG; Group-2: FlexiCON X1; Group-3: EOF; Subgroup-A: 3% sodium hypochlorite [NaOCl] +17% ethylenediaminetetraacetic acid [EDTA]; Subgroup-B: Citra wash as irrigating solutions).

Scanning electron microscopy study to evaluate and compare fibrin clot adhesion over the root surface treated with tetracycline, doxycycline and minocycline.

Background: Periodontitis is an inflammatory disease caused by a group of specific microorganisms that provoke the destruction of the periodontal ligament and the alveolar bone, along with pocket formation or recession, or both.

Objectives: The present study aimed to compare the efficacy of tetracycline, doxycycline and minocycline in improving fibrin clot adhesion over manually instrumented periodontally affected root surfaces with the use of scanning electron microscopy (SEM).

Material And Methods: A total of 45 single-rooted extracted teeth were sectioned into 45 dentinal blocks and divided into 3 groups: tetracycline (group I); doxycycline (group II); and minocycline (group III).

Intramarrow penetration synergized with advanced platelet-rich fibrin in periodontal regeneration: A randomized controlled trial.

Background: Intramarrow penetration (IMP) is one of the recent treatment protocol where decortication is performed to stimulate osteogenic cells. IMP improves the blood supply and the inherent osteogenic properties of the vital bone and has the advantages of minimal surgical invasion, time, and cost. Incorporation of IMP in the regeneration of periodontal defects is very scarce.

Influence of Different Cements and Cement Thickness on the Stress Distribution under Occlusal Surfaces of Porcelain-fused-to-metal and Porcelain-fused-to-zirconium Crowns: A Finite Element Analysis.

Aim: The purpose of this study is to compare and evaluate the influence of two different cement space settings and two different cement types on the stress distribution under occlusal surfaces of tooth restored with two different types of crowns and studied by using three-dimensional (3D) finite element analysis (FEA).

Materials And Methods: Eight 3D finite element models (FEMs) representing a mandibular first molar tooth restored with crowns of, porcelain-fused-to-metal (PFM) and porcelain-fused-to-zirconia (PFZ) crowns with two cement space settings (50 and 80 µm) and with two different types of cement were constructed, using an FEA software (ANSYS, version 10). Each model was subjected to a distributed load simulating normal masticatory bite force of 225 N and was applied axial direction.

Comparative evaluation of diode laser alone and in combination with desensitizing toothpaste in occlusion of dentinal tubules - A SEM study.

Background: In regular dental practice, dentinal hypersensitivity is a common oral condition affecting the adult population. Although a variety of treatment procedures are available, there is no single method that proved to be potent in eliminating dentine hypersensitivity and providing patients with complete relief. Hence the present study performed to estimate the occlusion of dentinal tubules using a diode laser alone and in combination with various desensitizing toothpaste, using the scanning electron microscope.

Comparative Evaluation of Antimicrobial Efficacy of Herbal Formulations of Septilin and Triphala with Conventional 2% Chlorhexidine on Root Canal and Oral Commensal Bacteria using Kirby Bauer Method: An Study.

Background: Endodontic flareups are always very difficult to treat because of reasons like drug resistance previously sodium hypochlorite and chlorhexidine have been used in the literature but with advancements newer materials like herbal products have been tried for this purpose. Thus, present vitro study was conducted to comparatively evaluate the efficacy of herbal formulations on commensals of oral cavity and root canal.

Materials And Methods: In this study antimicrobial efficacy of chlorhexidine 2%, Septilin and Triphala wer evaluated with the help of Kirby Bauer test.

Evaluation of biologic width re-establishment using CHU aesthetic gauges in crown lengthening cases- a clinical study.

Background: Present study was performed to assess the biologic width relocation by performing aesthetic crown lengthening with the help of Chu aesthetic gauges.

Methods: The study included 192 teeth from 17 individuals, of which 64 teeth underwent crown lengthening (Treated site- TS) and 128 of which shared a proximal surface (Adjacent site -AS, Non-Adjacent site- NAS) with the surgery site. The clinical parameters Plaque index (PI), gingival index (GI), gingival margin position (PGM), relative attachment level (RAL), bone sounding (BS), biological width (BW), and probing depth (PD) were recorded.

Evaluation of antibacterial properties and shear bond strength of orthodontic composites containing silver nanoparticles, titanium dioxide nanoparticles and fluoride: An in vitro study.

Objective: The study aimed at determining the antibacterial properties of composites containing silver nanoparticles (Ag NPs) or titanium dioxide nanoparticles (TiO2 NPs), and a fluoride-releasing composite against Streptococcus mutans and Lactobacillus acidophilus, and to evaluate the effect on shear bond strength (SBS) of nanoparticles-modified composites.

Materials And Methods: An orthodontic composite was modified by adding 1% w/w Ag NPs or 1% w/w TiO2 NPs. Composite discs were prepared to evaluate the antibacterial properties of these modified composites against Streptococcus mutans and Lactobacillus acidophilus, using three different antibacterial tests, namely: Disk agar diffusion test, Biofilm inhibition test and eluted component test.

Effect of Surface Modifications on the Retention of Implant-supported Cement-retained Crowns with Short Abutments: An Study.

Aim: The study aimed to evaluate and compare the effect of incorporating one circumferential groove and bur modification on retention of cast copings on implant abutment cemented with glass ionomer cement.

Materials And Methods: Fifteen straight shoulder implant abutments casted of height 6 mm used with corresponding 12 mm long stainless steel implant analog. The abutments were divided into three groups of five abutments in each group.

Comparison of blood parameters between periodontitis patients and healthy participants: A cross-sectional hematological study.

Background: Bacteria and their products involved in periodontitis evoke an immunoinflammatory response in the host tissue. Inflammatory diseases, such as periodontitis, are often not just a local event, but may have systemic ramifications, including elevations in the numbers of circulating leukocytes, acute-phase proteins and oxidative stress markers. It is now emerging that also erythrocytes are affected by chronic inflammatory diseases.

Cementum Malformations-Diagnostic Dilemma: Study in Western Maharashtra Population.

Aim: The present study was study to observe incidence of cemental malformations related to mandibular molar roots.

Materials And Methods: All cases requiring radiographs of mandibular molars reporting to author during 2011-2019 were included in this study. Mandibular molars had been observed for any radiographic malformations.

Incidence and Severity of Postoperative Pain Following Root Canal Treatment in Nonvital Pulps with Hand and Rotary Instrumentation Techniques in Chhattisgarh Population.

Aim: To evaluate the incidence and severity of postoperative pain following root canal treatment in nonvital pulps with hand and rotary instrumentation techniques in Chhattisgarh population.

Materials And Methods: Sixty asymptomatic single-canaled nonvital teeth were selected and were divided into two groups of 30 each. Group I: 30 single-canalled teeth were treated in a single visit and prepared with hand file system.

Assessment of the Effect of Bone Density on Implant Stability: A Clinical Study.

Background: In this study, we determined the effect of bone density on implant stability.

Methodology: Two hundred and sixty dental implant sites in 128 patients were assessed for resonance frequency analysis (RFA) following implant insertion, at 6 months and 12 months. The implant stability quotient (ISQ) was determined.

Comparative evaluation of shear bond strength between titanium-ceramic and cobalt-chromium-ceramic: An study.

Aim: The aim of this study was to evaluate and compare the shear bond strength between ceramic layered over titanium and ceramic layered over cobalt-chromium alloy, which are used in the fabrication of screw-retained implant prosthesis.

Settings And Design: In-vitro - Comparative study.

Materials And Method: A total of 40 samples (20 samples of Titanium in Group 1 and 20 samples of Cobalt-Chromium in Group 2) were fabricated.

Antibacterial activity and debonding force of different lingual retainers bonded with conventional composite and nanoparticle containing composite: An in vitro study.

Background: To evaluate the antibacterial activity and debonding force of retainers bonded with conventional and nanoparticle (TiO) containing composite.

Methodology: Antibacterial activity was tested against Streptococcus mutans and Lactobacillus acidophilus using disk agar diffusion, biofilm inhibition, and eluted components tests. For the eluted components test, colony counts of bacteria were tested on 0, 3, and 30 days.

Plausible mechanisms of Niclosamide as an antiviral agent against COVID-19.

Corona virus disease 2019 (COVID-19) pandemic caused 18 440 deaths world wide as of 25 March 2020 and posing a serious threat to public health. There is a need, therefore, for effective therapeutic strategies to cure this disease. However, high attrition rates, substantial costs and slow pace are the major limitations of novel drug discovery.

Expression of cluster differentiation-44 stem cell marker in grades of oral epithelial dysplasia: A preliminary study.

Introduction: Oral cancer is one among the alarming diseases related to oral cavity. Its prevalence and incidence have increased in many folds, in the past decade. This has led the investigators to find the preliminary stages and related early evaluating methods to restrain it.