Zhermack Information Magazine

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 […]

Lingual orthodontics: materials and clinical procedures

23 June 2023

Lingual orthodontics is one of the possible orthodontic practices that can be used to approach, treat and correct a malocclusion. It is a variant of classic vestibular multibracket fixed orthodontics, in which the brackets, archwires, ligatures and all of the auxiliary devices are primarily managed on the lingual side of the teeth, i.e. on the […]

Digital laboratories and next-generation dental technicians: past vs present

14 June 2023

Dental laboratory technology is the main auxiliary trade for the dental profession and it supports dentistry both materially and technically. It is, by definition, the art and the science of fabricating devices to correct and/or replace natural teeth [1]. Dental laboratories are primarily concerned with the production of five categories of device [2]: However, dental […]