Williams Periodontal Probe Insert, Graduation: 1-2-3-5-7-8-9-10 mm, M 2.5 Thread | Helmut Zepf No. 24.454.05
The Williams Periodontal Probe insert by Helmut Zepf (No. 24.454.05) is a precision-engineered periodontal diagnostic instrument designed to meet the rigorous demands of daily clinical practice. Featuring the classic Williams graduation — 1-2-3-5-7-8-9-10 mm — this insert delivers clear, reliable pocket-depth readings that clinicians have trusted for decades.
Key Features
- Graduation: 1-2-3-5-7-8-9-10 mm, following the established Williams periodontal probing standard
- Thread: M 2.5 compatible thread for secure, rattle-free attachment to appropriate probe handles
- Model Number: Helmut Zepf No. 24.454.05
- Made in Germany — manufactured to exacting German quality standards
Clinical Application
The Williams Periodontal Probe insert is used to assess sulcus and periodontal pocket depth, gingival recession, and clinical attachment levels. The well-established Williams graduation system allows practitioners to quickly and accurately record measurements during periodontal examination, supporting precise treatment planning and the ongoing monitoring of disease progression.
As a modular insert, this component is designed to be paired with a compatible M 2.5 probe handle, facilitating efficient sterilization and instrument management in busy clinical environments. The threaded connection ensures a stable, secure fit throughout use.
Quality and Origin
This Williams Periodontal Probe insert is manufactured in Germany by Helmut Zepf, a respected name in dental instrument production. German manufacturing reflects a consistent commitment to dimensional accuracy, material quality, and reliable performance across instruments.
FAQ
What graduation markings does this probe use? It uses the Williams graduation system: 1, 2, 3, 5, 7, 8, 9, and 10 mm.
What thread type is required for this insert? This insert uses an M 2.5 thread, so a compatible M 2.5 probe handle is required.
Where is this instrument manufactured? This instrument is Made in Germany by Helmut Zepf.

