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Burs and Rotary Attachments for Handpieces. Bur 1.Head 2.Neck 3.Shank  To be used in high-speed or low-speed handpiece.

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Presentation on theme: "Burs and Rotary Attachments for Handpieces. Bur 1.Head 2.Neck 3.Shank  To be used in high-speed or low-speed handpiece."— Presentation transcript:

1 Burs and Rotary Attachments for Handpieces

2 Bur 1.Head 2.Neck 3.Shank  To be used in high-speed or low-speed handpiece

3 Bur Shanks 1.Round bur in straight shank 2.Round bur in latch – type shank 3.Round bur in friction grip shank  To insert shank part of bur into handpiece

4 Round Bur  To remove caries from tooth stucture  To open tooth for endodontic treatment  To place retention in cavity preparation

5 Pear – Shaped Bur  To open tooth for a restoration  To remove caries

6 Inverted Cone Bur  To remove caries  To establish retention in tooth for cavity preparation

7 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

8 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

9 Straight Fissure Bur - Crosscut  To cut cavity preparation  To form walls of cavity preparation  To place retention grooves in walls of cavity preparation

10 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

11 Finishing Bur  To finish composite restoration  To finish restoration by restoring anatomy in tooth  To equilibrate or adjust occlusion

12 Diamond Bur – Flat-End Taper  To reduce a tooth for crown preparation when a square shoulder is needed

13 Diamond Bur – Flat-End Cylinder  To reduce a tooth for crown preparation when parallel walls and flat floors are nedded

14 Diamond Bur - Flame  To reduce a tooth for crown preparation for subgingival margins

15 Diamond Bur - Wheel  To reduce a tooth for crown preparation on lingual aspect of anterior teeth and to reduce bulk of incisal edges

16 Mandrel – Snap On  To attach disc to Mandrel for finishing and polishing inside of outside oral cavity (Mandrel is insert into handpiece.)

17 Mandrel – Screw On  To attach disc to Mandrel for finishing and polishing inside of outside oral cavity (Mandrel is insert into handpiece.)

18 Sandpaper Disc With Screw – Type and Snap – On Mandrel  To contour restorations  To polish restorative material (extra fine grit)

19 Composite Disc  To contour restorations  To polish or smooth restorative material (extra fine grit)

20 Rubber Points  To polish restoration, amalgam, composite, and gold

21 Laboratory Bur (Acrylic Bur)  To cut models or trim acrylic in laboratory

22 Laboratory Bur (Diamond Disc)  To contour or cut models in the laboratory


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