Many dental measuring devices are needed in dentistry. These devices help in measuring the root canal, width, and thickness of the tooth crown. Dental Inwanson is the most common measuring instrument. It is used to measure dental wax, metal, and ceramic known as porcelain. It is a robust instrument favored by dentists. It is widely used in laboratories and hospitals as a measuring device. Iwanson Caliper can provide readings of up to 10 cm. The stainless body of the instrument is lightweight and provides accurate measurement to the user. Thus, both left hand and left-hand users can use this versatile instrument with ease. After surgery, these instruments must be clean and rinsed properly. The ultrasonic cleaning is best for killing germs and sterilization. As it is heat and pressure-resistant instrument, it does not malfunction easily and can provide exact readings to the users for years.