12 January 2023
A model is a positive replica of the dentition and surrounding structures that is used for the diagnostic study of the situation and as a basis for preparing prosthetic and orthodontic appliances.[1] There are study models, also known as diagnostic or preliminary models, working models and master models.[2] Models intended for various uses must offer […]
12 January 2023
A temporary restoration is a temporary device made to improve the aesthetics, stability and function of a tooth. It is used between the preparation of the tooth and the placement of the permanent restoration.[1] There are three main techniques for making temporary restorations: direct, pre-filling indirect and post-filling indirect. Of the various direct techniques, the […]
21 October 2022
The Casartelli (or Bridge Guide) impression technique is best suited to fixed prostheses, clinical cases in which correct reproduction of the preparation margin is complex or when other previously used impression techniques have failed. We will now focus on why this technique was developed, its advantages and the procedure for its proper application. The need […]
8 September 2022
What impression materials are used in dentistry and how are they classified? Impression materials can be divided into two main types [1,2]: Elastic impression materials Rigid (or non-elastic) impression materials All impression materials fall into one or the other of these categories, which differ in how they can be used after setting in the oral […]
8 September 2022
187 ISO standards have been published in the field of dentistry, regulating almost all aspects of the dental industry and establishing the requirements that need to be respected. (1) ISO is an independent, international, non-governmental organisation. Its membership is made up of the national standardisation institutes of 167 countries around the world. (2) Knowledge sharing […]
30 August 2022
There are a many different impression materials on the market. Some of these, like hydrocolloids, are intended only for preliminary impressions while others, like elastomers, offer better performance and can therefore be used for final, precision impressions. Elastomers are also used to make other materials in addition to impression silicones. Impression silicones come in two types: […]
30 August 2022
Gypsum is a mineral form of calcium sulphate dihydrate. It has been known for millennia and has been used for many purposes. 5000 years ago, the ancient Egyptians used to fire “plaster of Paris” in open air furnaces. They then added water to make cement for assembling the blocks of the pyramids (e.g. the pyramid […]
8 July 2022
The COVID-19 pandemic has had a serious impact on all professions, but the risks faced daily by certain workers are particularly high. Front line professionals, in other words healthcare operators and operators in basic necessity supply chains, have been exposed to a high risk of infection by SARS-CoV-2 while working to ensure that our communities […]
Zhermack SpA has been one of the most important producers and international distributors of alginates, gypsums and silicone compounds for the dental sector for over 35 years. It has also developed solutions for the industrial and wellbeing sectors.
Zhermack SpA - Via Bovazecchino, 100 - 45021 Badia Polesine (RO), Italy.
