What is a tooth burr or Dental Bur?

Dental Burs also called Dental Drill Burrs, are metal instruments used by dentists for precise cutting, polishing and grinding. They are used in rotary Dental Instruments such as turbines, contra-angles and hand pieces.

Dental Burs are used for cutting hard tissues - tooth or bone. They are made of steel, stainless steel, tungsten carbide and diamond grit.

2,What is the difference between a Laboratory Bur and a Dental Bur?

The name is not real precise named,Clinic Dental Bur and Laboratory Dental Bur are better to make a distinction between them; They are both Dental Drill Burrs,which is widely used for drilling and deburring holes for accurate screw placement. These instruments are commonly used while stabilizing the fracture site.

Both of them could be called Dental Bur, have same or similar shapes, materials, but actually the usage are totally different.While the Clinic Dental Burs are used to work on human teeth or bone, means on hunman body;But Dental Laboratory Burs are used to work on acrylic materials, such as dentures and partials, or plaster, metal, or stone materials, means not on human body.

In US and China, Clinic Dental Burs are belonged to Class II medical devices, restrictions and certifications are very striact. in other countries, the rules are similar.

Laboratory Dental Burs only are belonged to Class I medical devices or less, designed for extraoral use. 

Now you know better for the difference between the Clinic Dental Bur and the Laboratory Dental Bur, of corse, we are experts of dental burs, any question, you could cunsult us.

3,What are the three types of Dental Burs?

There are many factors to define the types of Dental Burs.Normally from the speed,and size, thedental burs could be divided into HP,RA and FG.  

HP:Long straight/handpiecedental burs,Larger, long straight shank types and are used on slow speed handpieces,HP burs are mainly used by dental laboratories.

RA:Latch-type/right angle dental burs : These affix to low speed contra-angle handpieces,called Latch type burs.

FG:Friction grip dental burs: These are used with high speed handpieces. The quality of FG dental burs need more Precision and Reliability in production.

4,How many times can you use a Dental Bur?

To make a short CONCLUSION: Clinic Dental Bur or operative dental burs for surgery always suggested to be used once only or at least need to thorough disinfection! Comparatively speaking Carbide dental bur have longer working time, durable and precise.A diamond bur should not be used for teeth preparation after try-in procedures of metal or zirconia substructures.