Dental drill bits are commonly made of high-speed steel, carbide, or diamond coated materials.

Dental drill bits, also known as burs, are rotary cutting tools used in dental procedures to remove decay, shape teeth for filling or crown preparation, and remove old restorations. There are various types and shapes of dental drill bits, including round, fissure, inverted cone, tapered fissure, straight fissure, and pear-shaped, among others.

Dental drill bits are commonly made of high-speed steel, carbide, or diamond coated materials. High-speed steel burs are relatively inexpensive and are suitable for general dental procedures. Carbide burs are harder and more durable than steel burs and are used for more demanding procedures, such as removing old metal fillings or shaping porcelain or metal restorations. Diamond-coated burs are the most expensive but are the hardest and most durable. They are used for procedures that require precision, such as shaping and polishing porcelain or composite restorations.

The dentist selects the appropriate dental drill bit according to the specific procedure and the location and condition of the tooth being treated. The dental drill bit is attached to a dental handpiece, which rotates the bit at high speed, allowing for precise and efficient cutting of the tooth or dental material being treated.

In conclusion, dental drill bits are essential tools in modern dentistry, used for a wide range of dental procedures to remove decay, shape teeth, and prepare teeth for restorations. The selection of the appropriate dental bur is critical to achieving success in dental procedures, and dentists use their skills and experience to choose the right one for each situation.