DENTAL FURNACES

Dental furnaces are used during the production of ceramic dental restorations such as crowns, bridges, inlays and onlays. Furnaces can reach high temperatures and pressures to process ceramic material into a hardened, final state.

WHAT TYPES OF DENTAL FURNACES ARE AVAILABLE?

There are a variety of furnaces available, including:

Ceramic combination furnaces – designed for both firing ceramic restorations and for pressing ceramics. They can work with multiple dental materials and lab workflows.
Sintering furnaces – capable of reaching extreme temperatures required to process zirconia after milling. During the sintering process zirconia undergoes a significant amount of shrinkage.

HOW TO CHOOSE A DENTAL FURNACE

Firing Behavior & Firing Quality – The most important criteria to consider in a dental furnace is the way it will influence firing behavior and firing quality of ceramics. The temperature within the furnace should be evenly distributed. It should also be equipped with QTK muffle technology and a reflecting floor to help spread the heat evenly throughout the firing chamber.
Infrared Sensor – a furnace with built-in infrared technology offers peace of mind. This type of technology will achieve reliable firing results and increase efficiency. The predrying process controlled by infrared technology reduces the risk of cracks occurring in the ceramic during the closing process.
Handling – look for a furnace with a large, movable color touchscreen. This will eliminate the fuss and use icon controls you know from your mobile phone.
Energy Saving – certain furnaces automatically switch over to stand-by mode to save energy.
Shade Determination – some furnaces can help with the shade selection process. The clinician takes a picture of the selected shades and the natural teeth with a smartphone and sends it to the lab. The digital shade assistant (DSA) software of the furnace determines the final tooth shade, which is then reproduced.

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