Evaluation of interproximal and occlusal contacts of single posterior implant-supported restorations fabricated using different CAD software programs: A clinical study.

Statement Of Problem: The accuracy of the interproximal and occlusal contacts of single posterior implant-supported restorations designed using computer-aided design (CAD) software programs remains uncertain.

Purpose: The aim of this clinical study was to assess the interproximal and occlusal contacts of single posterior implant-supported restorations designed with 2 distinct dental CAD software programs.

Material And Methods: Forty single posterior implant-supported restorations were evaluated for interproximal and occlusal contacts.

Effect of GLP-1 Receptor Agonists on Renal Functions and Diabetic Nephropathy in Type 2 Diabetes Mellitus (T2DM) Patients: A Systematic Review and Meta-Analysis.

Diabetes mellitus (DM) causes multiple kidney problems ultimately leading to renal failure, with a marked rise in the number of patients worldwide requiring renal replacement therapy (RRT). Diabetic kidney disease (DKD) remains a leading cause of morbidity and death despite advancements in treatment; however, recent cardiovascular outcome trials have highlighted the potential benefits of glucagon-like peptide-1 (GLP-1) receptor agonists and sodium-glucose cotransporter 2 (SGLT2) inhibitors in managing chronic kidney disease (CKD) and cardiovascular risks in type 2 diabetes (T2DM) patients, leading to recommendations for their use following metformin in clinical guidelines. The meta-analysis was run on RevMan 5.

Evaluation of the use of different intraoral scanners for auricular prosthetic reconstruction.

Statement Of Problem: The use of intraoral optical scanners has been introduced for direct digital data acquisition in maxillofacial prosthetics, but their clinical accuracy has not been evaluated sufficiently.

Purpose: The purpose of this observational study was to evaluate the use of different intraoral scanners for extraoral maxillofacial digitization of an ear and to assess visually the clinical outcome of the generated 3-dimensional ear casts.

Material And Methods: A selected intact ear was scanned by using 3 different intraoral optical scanners: CEREC Primescan (Dentsply Sirona), Medit i700 (Medit Corp) and Panda P2 (Pengtum Technologies).

Copper supported Dowex50WX8 resin utilized for the elimination of ammonia and its sustainable application for the degradation of dyes in wastewater.

To obtain high efficient elimination of ammonia (NH) from wastewater, Cu(II), Ni(II), and Co(II)) were loaded on Dowex-50WX8 resin (D-H) and studied their removal efficiency towards NH from aqueous solutions. The adsorption capacity of Cu(II)-loaded on D-H (D-Cu) towards NH (q = 95.58 mg/g) was the highest one compared with that of D-Ni (q = 57.

Effect of using scan body accessories and inter-implant distances on the accuracy of complete arch implant digital impressions: An in vitro study.

Purpose: To introduce a novel design for scan body accessory parts that are reusable, easy to attach and detach without permanent change of the scan body, and can be used with different inter-implant distances to enhance the accuracy of complete arch implant scans.

Materials And Methods: A maxillary polymethylmethacrylate (PMMA) model with a soft tissue replica was fabricated with four implant analogs located at tooth positions 17, 13, 22, and 27 with 18, 25, and 30 mm inter-implant distances. Four scan bodies (SBs) were attached to the implants.

Evaluation of the effect of diode laser application on the hydrophilicity, surface topography, and chemical composition of titanium dental implant surface.

Purpose: Attempts have been made to decontaminate the implant surface by using diode lasers. However, the parameters that provide efficient decontamination without altering the topography or surface characteristics of titanium implants are still unclear. The aim of the present study was to evaluate the effect of altering the power of diode laser (940 nm) application on the hydrophilicity, surface topography, and chemical composition of sandblasted, large grit, acid-etched (SLA) treated titanium alloy implant surface.

Evaluation of the marginal adaptation and debonding strength of two types of CAD-CAM implant-supported cement-retained crowns.

Background: In-vitro data from a clinically well-known lithium disilicate ceramic reference was used to assess the expected performance of resin-based materials in implant dentistry. The purpose of the study was to compare the bond strength and marginal adaptation of nano-ceramic hybrid composite crowns cemented to stock cement-retained abutments to lithium disilicate crowns.

Methods: Twenty abutment analogs were embedded into auto-polymerizing acrylic resin blocks.

Evaluation of the masking ability, marginal adaptation, and fracture resistance of screw-retained lithium disilicate implant-supported crowns cemented to titanium bases versus preparable abutments.

Background: Straight preparable abutments and titanium bases (ti-base) can be used to support single-unit screw-retained lithium disilicate implant-supported restorations. The choice between using both abutments depends on many factors. The purpose of this in vitro study was to compare the masking ability, marginal adaptation, and fracture resistance of screw-retained lithium disilicate implant-supported crowns cemented to straight preparable abutments and ti-bases.

Digitization accuracy and scannability of different prosthodontic materials: An in vitro trial.

Statement Of Problem: Digital scanning of different prosthodontic materials is commonplace in contemporary practice. However, the scannability of prosthodontic materials has not been thoroughly investigated.

Purpose: The purpose of this in vitro study was to evaluate the scanning accuracy and measure the unscanned area in a preset time limit of commonly used framework materials.

A technique for iris disk positioning on a custom ocular prosthesis.

Various techniques have been described for the rehabilitation of ocular defects with ocular prostheses to restore lost anatomical structures and correct cosmetic defects. This article describes a technique for optimizing the position of an iris disk over a custom-made ocular prosthesis, by using eyeglasses with customized graph paper pattern lenses. It presents a simplified method that will be useful for people with ocular defects in remote and distant service areas with limited resources.

Retention of zirconia crowns to titanium bases with straight versus angled screw access channels: an invitro study.

Background: The aim of this study was to assess the impact of abutments with angled screw access channel on the retention of zirconia crowns.

Methods: Seven implant replicas were inserted in epoxy resin blocks. Fourteen zirconia crowns for central incisor tooth were digitally fabricated and cemented to titanium bases (Ti-bases) with resin cement.

Evaluation of the dislodgement force of splinted restorations with engaging conical abutments over multiple nonparallel implants (in-vitro study).

Background: Splinted multiunit cement-retained restorations with screw access channels over engaging abutments are viable implant prosthetic options. However, information regarding the maximum degree of divergence between multiple implants is lacking. The purpose of this in vitro study was to determine the maximum degree of divergence between 2 adjacent implants with conical connections that allows insertion and removal of splinted restorations with engaging preparable abutments or titanium base abutments.

Evaluation of the virtual cement gap parameter of different CAD software programs in designing a single crown restoration: An in vitro study.

Statement Of Problem: The accuracy of different virtual cement gap parameters in designing a single crown in a computer-aided design (CAD) software program is still unclear.

Purpose: The purpose of this in vitro study was to evaluate and compare the virtual cement gap settings of 3 different CAD software programs used to design a single crown restoration.

Material And Methods: Three different CAD software programs (exocad, Dental System, and B4D) were evaluated for designing single crowns with similar virtual cement gap settings.

Outcomes of bio-esthetic single implant-supported restorations after peri-implant soft tissue conditioning with two prosthetic techniques: A 1-year randomized clinical trial.

Statement Of Problem: Providing a definitive restoration with an emergence profile matching that of the contralateral or extracted tooth should result in an esthetic peri-implant soft tissue contour. Whether a custom healing abutment improves the outcome of a bio-copied definitive restoration compared with a stock abutment is unclear.

Purpose: The purpose of this 1-year randomized clinical trial was to evaluate the peri-implant soft and hard tissues related to bio-esthetic single implant-supported restorations having a contralateral tooth-matching restorative emergence profile after peri-implant soft tissue conditioning with either custom or stock healing abutment for patients indicated for immediate implant placement.

Evaluation of debonding force of screw-retained lithium disilicate implant-supported crowns cemented to abutments of different designs and surface treatments.

Statement Of Problem: Straight preparable abutments provide an alternative to titanium bases (Ti-bases) for single-unit screw-retained implant-supported restorations. However, the debonding force between crowns with a screw access channel cemented to preparable abutments and Ti-bases of different designs and surface treatments is unclear.

Purpose: The purpose of this in vitro study was to compare the debonding force of screw-retained lithium disilicate implant-supported crowns cemented to straight preparable abutments and Ti-bases of different designs and surface treatments.

The life and death of living systematic reviews: a methodological survey.

Objectives: The objectives of this study are to describe the characteristics of living systematic reviews (LSRs) and to understand their life cycles.

Study Design And Setting: We conducted a comprehensive search up to April 2021 then selected articles and abstracted data in duplicate and independently. We undertook descriptive analyses and calculated delay in version update and delay since the last published version.

Selective removal of ammonia from wastewater using Cu(II)-loaded Amberlite IR-120 resin and its catalytic application for removal of dyes.

Cationic ligand exchange is one of the most predominant mechanisms for the removal of ammonia from wastewater through complex formation. The complexation technique occurs between the metal ions loaded on the surface of Amberlite IR-120 and ammonia which is present in the medium. Cu(II)-loaded Amberlite IR-120 (R-Cu) was prepared and described using FT-IR, TGA, SEM, and EDX techniques.

Registration of maxillomandibular relationship through a fully digital workflow for complete-mouth rehabilitation with screw-retained fixed implant-supported prostheses: A clinical report.

Digital recording of the maxillomandibular relationship by using intraoral scanning in completely edentulous patients for computer-aided design and computer-aided manufacture implant-supported prostheses can be challenging. This clinical report describes the fabrication of complete arch, screw-retained implant-supported prostheses in a completely edentulous patient with a fully digital workflow.

CAD-CAM custom healing abutments: A dental technique.

Custom healing abutments are important in establishing optimal esthetics for prosthesis-driven, implant-supported restorations. This report demonstrates a technique for constructing a custom healing abutment with computer-aided design and computer-aided manufacturing to save chairside time and provide predictable results.

The association between the neutrophil to lymphocyte ratio and in-hospital mortality among sepsis patients: A prospective study.

The Neutrophil to lymphocyte ratio (NLR) was shown to be associated with disease severity, poor prognosis and increased mortality in sepsis. However, the association between NLR and sepsis prognosis remains controversial. Our study aims to prospectively examine the prognostic ability of NLR in predicting in-hospital mortality among sepsis patients and determine the optimal cutoff of NLR that can most accurately predict in-hospital mortality in sepsis patients.

A Framework for the Development of Living Practice Guidelines in Health Care.

Background: Living practice guidelines are increasingly being used to ensure that recommendations are responsive to rapidly emerging evidence.

Objective: To develop a framework that characterizes the processes of development of living practice guidelines in health care.

Design: First, 3 background reviews were conducted: a scoping review of methods papers, a review of handbooks of guideline-producing organizations, and an analytic review of selected living practice guidelines.

Nanotechnology for Enhanced Cytoplasmic and Organelle Delivery of Bioactive Molecules to Immune Cells.

Immune cells stand as a critical component of the immune system to maintain the internal environment homeostasis. The dysfunction of immune cells can result in various life-threatening diseases, including refractory infection, diabetes, cardiovascular disease, and cancer. Therefore, strategies to standardize or even enhance the function of immune cells are critical.

Modified biblock versus monoblock mandibular advancement appliances for treatment of obstructive sleep apnea: A randomized controlled trial.

Statement Of Problem: The high prevalence of obstructive sleep apnea represents a serious public health problem. Oral appliances have gained wide acceptance among patients diagnosed with obstructive sleep apnea, who should wear them every night. A comfortable oral appliance is mandatory for successful treatment outcomes.

The prognostic value of the lactate/albumin ratio for predicting mortality in septic patients presenting to the emergency department: a prospective study.

Objectives: Lactate/albumin (L/A) ratio is a biomarker in sepsis that has been shown to outperform lactate. This prospective study aims to validate the superior prognostic value of the L/A ratio to lactate in sepsis and septic shock.

Methods: Prospective cohort conducted from September 2018 till February 2021 on adult patients presenting to the Emergency Department (ED) at a tertiary care centre with sepsis or septic shock.

Effect of anodized titanium abutment collars on peri-implant soft tissue: A split-mouth clinical study.

Statement Of Problem: Anodic oxidation of titanium implant abutment collars has been used to mask their unesthetic grayish color. However, the effect of anodic oxidation on the health and appearance of peri-implant soft tissues is unclear.

Purpose: The purpose of this split-mouth clinical study was to investigate the effect of anodized titanium on the health and esthetics of peri-implant soft tissues.