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A dental bur is a specialized drill bit used in dentistry. It is inserted into a dental drill and used to remove damaged material from a patient's tooth to prepare it for filling. There are some special needs that must be addressed in the design and manufacture of dental burs, including concerns about infection control, patient comfort, and efficiency. Numerous companies make dental burs and other dental accessories, providing them through catalogs and specialty suppliers.
The typical dental bur includes a shank for insertion into the drill, a neck attached to the shank, and a head, containing the actual drilling bit. Bits are typically made with very strong metal alloys and may be coated with materials like industrial diamond and tungsten carbide. Teeth are extremely hard and durable, a trait usually desirable because it keeps the teeth healthy, but when they are drilled, a very powerful and sharp drill is needed to move through the teeth as efficiently and cleanly as possible.
The angle of the dental bur can be changed for different types of work, as can the blades on the bit. Companies usually offer an extensive lineup, classified by number to make it easy for dentists to identify the products they want. Standardized numbering systems are used in some regions to facilitate the purchasing process, allowing dentists to buy interchangeable products for their drills.
Rotary and oscillating instruments for use in the dental sector are to be used only by doctors or other experts who are experienced in the safe handling of these instruments.
Area of application
These general instructions for use and safety recommendations apply to all products and are to be generally observed. If separate instructions for use are provided in the packaging, these take precedence over these general instructions for use.
|Make sure that only technically and hygienically perfect and cleaned turbines, handpieces and contra-angles are used.|
|Chuck the instruments as deeply as possible.|
|The instrument must be rotating before contact is made with the tooth.|
|Avoid jamming and using the instrument as a lever as this leads to an increased risk of fracture.|
|Wear safety glasses as required.|
|Avoid unprotected contact with the instruments (use protective gloves).|
|Thermal damage caused by rotary instruments has to be avoided in any case (work at recommended speed and use sufficient water cooling).|
|Coarse and super coarse grit diamond instruments (including S-Diamonds®, Series 2000 and Turbo-Diamonds) may lead to increased thermal stress. Therefore, when using such products, use sufficient water cooling (at least 50 ml/min) and work at minimal contact pressure. To achieve an optimal surface quality, subsequent finishing is necessary.|
|Preferably use instruments with rounded edges as the preparation of sharp-edged undercuts may lead to an increased risk of a damaging notch effect. Improper use leads to increased risk and inferior results. Therefore, stick to the application and speed recommendations indictated on the labels and in our instructions for use.