Why fillings use the drill?

Why fillings use the drill?

When the children in dental fillings, the most afraid of doctors in the hands of dental drills, some parents asked the doctors do not have dental drill. Dental instruments, there is corruption tooth structure to remain in the cavity, which contains many bacteria. If you do not completely removed, fill in the above materials, teeth can also continue to decay, and dental pulp and periapical Development, greater pain to the child. The general equipment is not easy to get rid of perishable organization. In addition, the fillings need preparation of the hole type, so that the fill material to remain in the cave, which also requires using a dental drill to trim. At present, the dental most used to Armed human teeth make high-speed turbine dental drill, its speed can reach 20-30 rev / min. It can quickly grind to get rid of the corrosion of tooth tissue, a good finishing whole type.