Approximal Desmotome #0, Straight, 3 mm, Interchangeable M4 x 0.5 mm, Single-Ended | Helmut Zepf No. 17.418.00
The approximal desmotome straight single-ended is a precision periodontal instrument engineered for the careful severance of the periodontal ligament in approximal regions. Helmut Zepf No. 17.418.00 is a professional-grade instrument designed to facilitate atraumatic tooth separation and extraction preparation with controlled, reliable performance.
Instrument Specifications
- Type: Approximal Desmotome #0
- Blade Orientation: Straight
- Blade Width: 3 mm
- Connection: Interchangeable M4 x 0.5 mm
- Configuration: Single-Ended
- Item Number: Helmut Zepf No. 17.418.00
Key Features
This approximal desmotome straight single-ended instrument features an interchangeable M4 x 0.5 mm connection, allowing clinicians to swap working ends efficiently while maintaining the same handle system. The 3 mm straight blade provides precise access to the periodontal ligament in tight approximal spaces, minimizing trauma to surrounding soft tissue and alveolar bone during procedures.
Manufactured by Helmut Zepf GmbH, this instrument upholds the quality standards expected of German dental instrument craftsmanship. The interchangeable design supports instrument economy and flexibility in clinical setups.

Clinical Application
The approximal desmotome straight single-ended is indicated for use in periodontal and oral surgery procedures where precise ligament detachment is required prior to tooth extraction. The straight configuration ensures optimal angulation in anterior and accessible posterior regions.
FAQ
What does the M4 x 0.5 mm interchangeable connection mean? It refers to the standardized threaded connection that allows the working end to be detached and replaced, enabling use with compatible handle systems from the same range.
Is this instrument suitable for both anterior and posterior teeth? The straight 3 mm blade is best suited for anterior and accessible regions where a direct approach is feasible without requiring angled access.
