Systemic effect of calcium silicate-based cements with different radiopacifiers-histopathological analysis in rats.

Aim: This study aimed to examine the systemic effects of contemporary calcium silicate cements (CSC) contain different radiopacifiers in rats.

Materials & Methods: Polyethylene tubes filled with BIOfactor MTA (BIO), Neo MTA Plus (NEO), MTA Repair HP (REP), Biodentine (DENT) and empty tubes (control group) were implanted into the subcutaneous tissues of 80 male Spraque Dawley rats for 7 and 30 days ( = 8). After 7 and 30 day, samples of liver and kidney tissues were submitted to histopathological analysis.

The evaluation of psychological state of dental students during the COVID-19 pandemic.

The purpose of the present study was to assess anxiety among a sample of dentistry students during the COVID-19 pandemic. A total of 355 dentistry students (165 males and 190 females) completed the Health Anxiety Inventory (HAI), Beck Anxiety Inventory (BAI), State-Trait Anxiety Inventory-I (STAI-I), and State-Trait Anxiety Inventory II (STAI-II) questionnaires. and evaluations of HAI, BAI, STAI-I, and STAI-II were based on sex, dental school year, smoking habit, and lifestyle.

Evaluation of the use of PEEK material in post-core and crown restorations using finite element analysis.

Purpose: To compare the stresses generated after the use of low elastic modulus polyetheretherketone (PEEK) as dental post and crown material with glass fiber post and metal supported ceramic crowns using finite element analysis.

Methods: First an image of a maxillary central incisor taken on micro-computed tomography (micro-CT) was uploaded to a computer program. Modeling was made of all the materials in the computer environment and 3-dimensional (3D) virtual models were obtained.

Evaluation of knowledge, attitudes, and clinical education of dental students about COVID-19 pandemic.

Background: The novel coronavirus disease (COVID-19) is a new viral respiratory illness, first identified in Wuhan province, China. Dental professionals and dental students are at an increased risk for these viruses from dental patients, as dental practice involves face-to-face communication with the patients and frequent exposure to saliva, blood, and other body fluids. Dental education can play an important role in the training of dental students, adequate knowledge and adopting attitudes regarding infection control measures.

Psychological Status of Healthcare Workers during the Covid-19 Pandemic.

Objective: To assess the levels of health anxiety and Beck depression according to demographic variables among a sample of healthcare workers during the COVID-19 pandemic.

Study Design: Cross-sectional, analytical study.

Place And Duration Of Study: Firat University and Medical Park Hosspital, Elazığ, Turkey, from March  to April 2020.

Is there a relation between dental anxiety, fear and general psychological status?

Background: Dental anxiety is a widespread problem in many populations. This problem can be a barrier to dental care and may lead to poor oral health. Dental anxiety may be related to psychological status.