What to do if the Bur of China Dental Handpiece 1:1 Contra Angle is Stuck?

A quick way of repairing a bur-stuck dental 1:1 contra angle

Here a quick way to let the bur release when the bur of China dental handpiece 1:1 contra angle is stuck.

1.Open the back cover of the dental 1:1 contra angle.

2.Use a tweezer to open these two small clips of the cartridge a little bit.

3.Screw tight the back cover of dental 1:1 contra angle.

4.Test the bur again.

General methods of repairing a bur-stuck dental 1:1 contra angle

If the bur of China dental handpiece 1:1 contra angle is stuck, and you try the above quick way but found that the bur still cannot be removed, you may need to take the following steps to repair it:

1.Turn off the dental 1:1 contra angle

Turn off the China dental handpiece 1:1 low speed contra angle with fiber optic and remove it from the dental electric air motor.

2.Replace a new dental bur

Inspect the bur to see if it is bent or damaged. If it is, replace the bur with a new one.

3.Use a bur release tool

If the bur is not damaged, use a bur release tool to remove the bur from the 1:1 low speed handpiece. This tool is designed to fit over the end of the bur and release it from the China dental handpiece chuck.

4.Use dental handpiece lubricant

If the bur is still stuck, apply a small amount of dental handpiece lubricant to the chuck and try to remove the bur again using the bur release tool.

5.Disassemble the dental 1:1 contra angle

If the bur still cannot be removed, disassemble the China dental handpiece and inspect the chuck mechanism. It may be necessary to clean or repair the chuck to remove the bur.

Once the bur has been removed, clean the China dental handpiece thoroughly and reassemble it. Test the dental handpiece to ensure that it is working properly.

At last, if you want to know more about dental handpiece repair, you can review our previous article what to do when the bur of China dental handpiece is stuck.