Zhermack Information Magazine

The disinfection hierarchy: virucidal activity and its different efficacy levels

7 September 2023

The main purpose of infection control can be briefly summarised as blocking the transmission of microorganisms or pathogens.  This block must be applied in two directions. The first is the prevention of vertical transmission and the second is the prevention of horizontal or lateral transmission.  Prevention of vertical and lateral transmission Vertical transmission is the propagation […]

How to prevent the spread of infection in dental practices

6 September 2023

In the field of dentistry infectious agents can be transmitted by inhalation, injection, ingestion, and contact with the mucous membranes, with the conjunctiva or with the skin. [1]. In a dental practice, one of the main routes of transmission is direct exposure to blood or body fluids. Gingival bleeding mixes with saliva, which must therefore be […]

Impression techniques for use on edentulous patients

31 August 2023

Full edentulism is a fairly common problem and is often treated will full removable dentures. Clinicians use different materials and techniques to take the final impression. Adopting the correct impression technique improves the quality of the restoration, and therefore improves the patient’s quality of life. (1) Impression techniques for edentulous patients can be broken down […]

5 flaws to be avoided for proper impression-taking

28 August 2023

Succeeding in obtaining a prefect impression is perhaps one of the most complex challenges facing dentists, especially when taking impressions on patients with fixed restorations (1). It is interesting to note that a fairly high percentage of the impressions that leave dental practices and are delivered to dental laboratory benches have obvious flaws (2-4). The […]

Impressions for BOPT (Biologically Oriented Preparation Technique): the principles of dental preparation

2 August 2023

BOPT (Biologically Oriented Preparation Technique) involves the vertical preparation of the tooth stump to allow the mucosa to adapt to the prosthetic contours of crowns. [1.2] It is a dental preparation protocol in which diamond burs are used to eliminate the emergence of the natural tooth at the cemento-enamel junction. This allows the subsequent fabrication […]

Analogue and digital impressions for edentulous patients: a literature review

2 August 2023

Impressions for edentulous patients are an extensively debated topic and the schools of thought among clinicians vary considerably [1]. In today’s scientific literature, several studies have compared digital and analogue impressions, focusing primarily on dentulous and implanted patients [2–5]. There are, however, far fewer studies comparing analogue and digital impressions in edentulous patients, particularly in-vivo […]

The risks associated with jobs in the dental sector and the importance of proper prevention

2 August 2023

A well-known chart in a New York Times[1] article published during the SARS-CoV-2 pandemic provided a graphical presentation of the risk levels of various professions in the United States. The risk of contracting SARS-CoV-2 Each profession was represented by a bubble whose position indicated the risk of contracting SARS-CoV-2.  Two positions evaluated the frequency with which workers […]

Differences between preliminary and functional impressions for edentulous patients

2 August 2023

Impressions for edentulous patients are a much-debated topic, as there is still great diversity amongst clinicians, who use different techniques dictated by their personal school of thought rather that conclusive literature evidence [1]. Furthermore, within the scientific community there is still a certain amount of confusion regarding the need to use a two-phase technique for […]