Table of Contents
What are the different types of burs?
Five Types of Dental Burs and When to Use Them
- Diamond burs. Most often used for: Cutting through porcelain, polishing.
- Carbide burs. Most often used for: Preparing cavities for fillings, shaping bone, removing old fillings.
- Ceramic burs.
- Steel burs.
- Different shapes of dental burs.
Which two burs are often used for the initial entry into a cavity prep?
In general, round and pear burs are used for cavity preparation and undercuts, cross-cut burs are used for crown work and sectioning multi-rooted teeth, and finishing burs are used for finishing restorations.
What are the 3 types of Bur shanks?
All burs have a shank and a head. There are three main types of shank – Long Straight Shank (HP), Latch-type Shank (RA) and Friction Grip Shank (FG).
What are the 3 parts of a bur?
The dental bur [4,8,9] has three parts: the head, the neck, and the shank. The head contains the blades, which produce cutting action by rotary motion. The blades are positioned at various degree angles in order to change the property of the bur.
What are the burs?
A bur (also spelled burr) is a seed or dry fruit or infructescence that has hooks or teeth. Some other forms of diaspores, such as the stems of certain species of cactus also are covered with thorns and may function as burs.
What is a handpiece bur?
Designed for use in the straight- or laboratory-style handpieces, these burs can be used for a wide variety of tasks in a dental laboratory. Some burs are designed for trimming precious alloys, while other are for shaping dental models or ceramic restorations. …
What are finishing burs?
Finishing burs are used for finishing restorations, soft tissue re-contouring, enameloplasting & odontoplasty. Finishing burs can be obtained as 12 or 30 bladed burs in carbide or diamond head in a variety of shapes. Finishing burs are also available in white stone for composite and green stone for amalgam.
What is the purpose of burs?
Firstly, burs are spinescent and tend to repel some herbivores, much as other spines and prickles do. Secondly, plants with burs rely largely on living agents to disperse their seeds; their burs are mechanisms of seed dispersal by epizoochory (dispersal by attaching to the outside of animals).
What is a cone bur?
Cone Shape Cone burs are used by dentists, dental lab workers, jewelers, and hobbyists. A cone bur is useful in jewelry applications when deburring holes or changing the location of holes is necessary. Cone burs are also useful for dentists, hobbyists, and woodcarvers.