Dental impression materials are used to copy oral tissues, create a dental impression, and then pour gypsum into them to produce a dental cast.
A dental cast is used to analyze and diagnose a clinical case, manufacture removable and fixed prostheses, and build occlusal splints and mouthguards..
–non irritating to oral cavity and tooth tissues. –non allergenic. –non mutagenic or carcinogenic.
One of the most important properties of dental material is the ability to withstand the various mechanical forces placed on them during their use as restoration, impression, models, appliances & tools..
Biological requirements of dental material: A dental material should be : 1-Be non toxic to the body. 2-Be non- irritant to the oral or other tissues. 3-Not produce allergic reactions and ,not be mutagenic or carcinogenic..
For a dental restoration like a filling or crown, different materials are available, including composite resin, amalgam, and ceramic.
Continue reading to learn about the different materials available.
Each material has its specific use case, benefits, and drawbacks..
Mostly research-based viva questions are asked in the case of a doctoral thesis wherein the key aspect of the process is to identify the thought behind the development of the specific paper
It is done to determine the knowledge and originality of the researcher and to assess their further interest in the field
A viva simply means a university examination during which students answer questions in speech and these questions are commonly based on a particular project or discipline
Viva questions are an important part of an academic program and often take place at the conclusion of a semester/year
Questions asked will definately be from the experiment you have been choosed to perfom
The theory behind the experiment which has been alloted to you can be asked in the form of VIVA questions
As the invigilator knows that you are up for Boards in March, He/She aims to target the theory question much more
Here are some common viva questions and answers related to dental ceramics:
