Gold Cura
Gold Cura Straight Ogival Diamond Burs FG – SO-15 to SO-21, Pack of 5
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Direct answer: Gold Cura Straight Ogival Diamond Burs FG have a straight-sided, torpedo or ogival terminal profile for axial contouring, rounded margin refinement, interproximal access and smooth preparation transitions. Choose SO-15, SO-20 or SO-21. Each order contains 5 identical burs of the selected code.
Straight Ogival Diamond Burs: Key Facts
| Available codes | SO-15, SO-20 and SO-21 |
|---|---|
| Head shape | Straight ogival / torpedo-shaped terminal profile |
| Typical applications | Axial contouring, rounded margin refinement, lingual or interproximal shaping and smooth internal transitions |
| Shank | FG / friction grip |
| Pack size | 5 identical burs of the selected SO code |
What Is a Straight Ogival Diamond Bur?
An ogival or torpedo profile combines relatively straight sides with a rounded pointed terminal form. It is selected when the preparation requires controlled side-wall contact and a smooth rounded transition rather than the flat terminal form of a straight fissure bur.
When to Use SO-15, SO-20 and SO-21
These codes should be treated as distinct working profiles rather than assumed millimetre sizes. Based on common catalogue conventions, SO-15 is the longer profile, while SO-20 and SO-21 are shorter alternatives of relatively narrow and medium width. Confirm the actual Gold Cura dimensions before use.
| Code | Relative profile | When to use it |
|---|---|---|
| SO-15 | Longer ogival profile | For longer axial walls, crown contouring, lingual reduction and smooth rounded margin development where extended side contact is useful. |
| SO-20 | Narrow shorter profile | For conservative localised contouring, restricted interproximal access, shorter walls and precise rounded transition refinement. |
| SO-21 | Medium shorter profile | For routine shorter axial contouring, moderate margin refinement and broader localised shaping than SO-20. |
Simple selection rule: select SO-15 for longer wall contact, SO-20 for the most conservative short profile and SO-21 when a wider short ogival profile is required.
Straight Ogival vs Straight Fissure and Taper Round-End
| Shape | Terminal form | Selection reason |
|---|---|---|
| Straight ogival | Rounded torpedo / ogival | Smooth axial contouring and rounded transitions |
| Straight fissure | Flat end | Straight walls and flat terminal form |
| Taper round-end | Rounded end with tapered sides | Convergent axial walls and chamfer-style preparation |
Frequently Asked Questions
What are straight ogival diamond burs used for?
They are used for axial contouring, rounded margin refinement, lingual or interproximal shaping and smooth transition areas.
Is straight ogival the same as tapered chamfer round?
No. This live product contains SO straight-ogival variants. The existing URL wording is legacy wording and the product title and description follow the actual SO code family.
When should I use SO-15?
Use SO-15 for longer axial walls and extended side-wall contouring.
When should I use SO-20?
Use SO-20 for narrow, short and conservative localised shaping.
When should I use SO-21?
Use SO-21 for a medium-width shorter ogival profile.
Is this a mixed pack?
No. Each pack contains five burs of the selected SO code.
What are the exact dimensions?
Confirm the Gold Cura packaging or supplied technical specification.
Can these burs be sterilised and reused?
Follow the supplied processing, reuse and replacement instructions.
Related Gold Cura Dental Burs
- Straight Fissure Diamond Burs
- Taper Round-End Diamond Burs
- Fine Finishing Diamond Burs
- Dental Burs & Bur Kits
Professional-use dental instrument. Confirm the actual profile, dimensions, grit, speed and processing instructions before use.
Browse related products: Dental Diamond Burs.
