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Pear-shaped bur (e.g., #330)
Also called: #330 bur, pear bur
A pear-shaped bur with rounded corners, common for amalgam and small preparations.
A pear-shaped bur is wider at the tip than at the neck, with rounded corners. The #330 is a popular small pear bur used for conservative preparations, including in children's teeth.
How to spot it
- A short head shaped like an upside-down pear, rounded at the edges.
- Pear vs. inverted cone: a pear has rounded corners; an inverted cone has sharp corners and a flat end.
What it is used for
Safety and care
- Clean and sterilize, or discard if single-use.
Related
Sources: Mr. Bur. A Simplified Understanding of Dental Bur Classification and Numbering Systems