International Journal of Scientific Research, cilt.5, sa.8, ss.389-391, 2016 (Diğer Kurumların Hakemli Dergileri)
Ultrasonic System depends on the principles that are; production of sound waves by a transducer, penetration of them into some media, reflection when they contact with another media or air, transformation of those echo waves into electrical waves and observation of the waves on a screen. That system has been used in industry, medicine and also in dentistry. In dentistry very few researchers studied this topic long time ago. This article gives some information about the parts and the mechanism of the ultrasonic system, how to use it and the effectiveness of the system on detecting dental caries and the erosions.