Burs and Rotary Attachments for Handpieces. Bur 1.Head 2.Neck 3.Shank To be used in high-speed or...
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Transcript of Burs and Rotary Attachments for Handpieces. Bur 1.Head 2.Neck 3.Shank To be used in high-speed or...
Burs and Rotary Attachments for Handpieces
Bur
1. Head2. Neck3. Shank
To be used in high-speed or low-speed handpiece
Bur Shanks
1. Round bur in straight shank2. Round bur in latch – type shank3. Round bur in friction grip shank
To insert shank part of bur into handpiece
Round Bur
To remove caries from tooth stucture To open tooth for endodontic treatment To place retention in cavity preparation
Pear – Shaped Bur
To open tooth for a restoration To remove caries
Inverted Cone Bur
To remove cariesTo establish retention in tooth for cavity preparation
Straight Fissure Bur – Plain Cut
To cut cavity preparation To form inner walls of cavity preparation To place retention grooves in walls of cavity preparation
Tapered Fissure Bur – Plain Cut
To cut cavity preparation To form angles in walls of cavity preparation To place retention grooves in walls of cavity preparation
Straight Fissure Bur - Crosscut
To cut cavity preparation To form walls of cavity preparation To place retention grooves in walls of cavity preparation
Tapered Fissure Bur - Crosscut
To cut cavity preparation To form angles in walls of cavity preparation To place retention grooves in walls of cavity preparation
Finishing Bur
To finish composite restoration To finish restoration by restoring anatomy in tooth To equilibrate or adjust occlusion
Diamond Bur – Flat-End Taper
To reduce a tooth for crown preparation when a square shoulder is needed
Diamond Bur – Flat-End Cylinder
To reduce a tooth for crown preparation when parallel walls and flat floors are nedded
Diamond Bur - Flame
To reduce a tooth for crown preparation for subgingival margins
Diamond Bur - Wheel
To reduce a tooth for crown preparation on lingual aspect of anterior teeth and to reduce bulk of incisal edges
Mandrel – Snap On
To attach disc to Mandrel for finishing and polishing inside of outside oral cavity (Mandrel is insert into handpiece.)
Mandrel – Screw On
To attach disc to Mandrel for finishing and polishing inside of outside oral cavity (Mandrel is insert into handpiece.)
Sandpaper Disc With Screw – Type and Snap – On Mandrel
To contour restorations To polish restorative material (extra fine grit)
Composite Disc
To contour restorations To polish or smooth restorative material (extra fine grit)
Rubber Points
To polish restoration, amalgam, composite, and gold
Laboratory Bur (Acrylic Bur)
To cut models or trim acrylic in laboratory
Laboratory Bur (Diamond Disc)
To contour or cut models in the laboratory