The dental bur is one of the important accessories for a dental drill, consisting of a needle and a needle handle.
There are two main ways for cross-infection caused by dental burs: one is the surface contamination caused by the contact of the patient's saliva,
blood and debris during the operation of the bur; the second is the pathogen that the bur is stuck in the texture during the treatment. Microorganisms, etc.
There are many patients in the dental clinic, the mobility is large, and the bur usage rate and turnover rate are very high.
How to better avoid cross-infection is one of the important contents of dental care.
First, the composition of the dental needle: The dental needle consists of the working part and the handle.
Second, the classification of dental burs.
1. According to the purpose: the dental bur is divided into the clinical stylus of the dentist by the use, and the burr is used by the technician of the dental technician.
2, According to the material: dental burs from the material is divided into steel bur, tungsten steel bur, diamond bur, ceramic bur.
3, According to the speed: divided into high-speed dental burs, low-speed dental burs.
4, According to the shape of the work section: commonly used are ball drill, split drill, inverted cone drill, ball head split drill (broken crown bur), wheel drill.
5. According to the shape of the blade of the working part: flat blade, serrated edge the high-speed dental burs will briefly enter the dental tissue
to contact the patient's blood and body fluids during use. They belong to the scope of supervision of the second-class medical devices
and need to be registered with the relevant national authorities for registration; low-speed dental burs strictly belong to a class of medical devices. Scope of supervision.
Fourth, the basic standard of dental burs the standard high-speed dental bur has a total length of 19 mm and a shank diameter of 1.6 mm;
the standard low-speed bending machine has a total length of 22 mm and a shank diameter of 2.35 mm; the standard low-speed straight shank has a total length of 44 mm and a shank diameter of 2.35 mm.
Five, dental car needle disinfection method
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