Periodontal Chisel, Ochsenbein (#1) - 4 mm | Helmut Zepf No. 24.490.01
The periodontal chisel Ochsenbein #1 by Helmut Zepf (No. 24.490.01) is a precision-engineered instrument designed to support demanding clinical periodontal procedures. With a 4 mm blade width, this instrument offers the controlled force delivery and access geometry that clinicians require when working in subgingival and interdental environments.
Instrument Overview
The Ochsenbein design is a well-established configuration in periodontal surgery, valued for its angled blade and defined cutting edge that facilitate precise scaling, root planing, and bone contouring. This periodontal chisel variant, designated #1, is optimized for anterior and narrower access areas, making it a reliable choice for targeted tissue and osseous management.
Key Features
- Ochsenbein #1 design — suited for anterior and restricted sites
- 4 mm blade width for controlled, precise instrumentation
- Manufactured by Helmut Zepf, a trusted German dental instrument maker
- Made in Germany — a benchmark for consistent quality and material integrity
- Instrument No. 24.490.01
Made in Germany
Helmut Zepf instruments are manufactured in Germany, reflecting a tradition of craftsmanship and rigorous quality standards that dental professionals worldwide rely on. This periodontal chisel upholds that standard, providing clinicians with an instrument built for longevity and consistent clinical performance.
Clinical Application
This instrument is intended for use by trained dental and periodontal professionals. It is suitable for procedures involving subgingival debridement, osseous reshaping, and interdental access where a narrow, angled chisel profile is clinically advantageous.
1-Year Warranty
This Helmut Zepf instrument is covered by a 1-year warranty against defects in materials and workmanship from the date of delivery.
60-Day Returns — Any Reason, Even If Used
Put this instrument to work in your practice. If it is not right for you, return it within 60 days of delivery for a full refund — for any reason, even if it has been used.

FAQ
What is the Ochsenbein #1 periodontal chisel used for? It is used for subgingival scaling, root planing, and selective osseous contouring, particularly in anterior or restricted access sites.
What blade width does this instrument feature? This periodontal chisel has a 4 mm blade width, providing a balance between precision and effective tissue engagement.
Is this instrument made in Germany? Yes, Helmut Zepf manufactures this instrument in Germany to consistent quality and craftsmanship standards.
Compare With
| Brand | Ochsenbein #1 — 4 mm – Base Designation |
|---|---|
| Hu-Friedy | CO1 |
| Miltex | 70-144 |
| Nordent | CPOCH1C |
| PDT | T775 |
Base pattern designations shown. Same clinical pattern, not identical manufacture — see our Surgical Instrument Comparison Chart.
Manufacturer literature: ZEPF Dental Catalog (PDF) — more in our Catalogs & Product Library.
