Trephine - Inside Ø 4.0 mm, Sheath 2.35 mm x 30 mm Lg. 11 Teeth, Grading: 7/10/13/16 | Helmut Zepf No. 08.910.05

The dental trephine 4.0mm surgical instrument from Helmut Zepf GmbH is a precision-engineered tool designed to meet the exacting demands of oral and maxillofacial surgical procedures. With an inside diameter of 4.0 mm, a sheath measuring 2.35 mm in diameter and 30 mm in length, and 11 cutting teeth, this trephine delivers controlled, consistent performance in clinical environments.

Key Specifications

• Inside Diameter: 4.0 mm
• Sheath Dimensions: 2.35 mm x 30 mm length
• Number of Teeth: 11
• Grading / Graduation: 7 / 10 / 13 / 16
• Reference Number: Helmut Zepf No. 08.910.05

Precision Engineering for Surgical Confidence

As a dental trephine 4.0mm surgical instrument, this tool is suited for procedures requiring accurate core removal of bone tissue, implant site preparation, and related oral surgical applications. The graded markings at 7, 10, 13, and 16 mm allow clinicians to monitor insertion depth with confidence, reducing procedural risk and improving overall surgical outcomes.

Helmut Zepf instruments are manufactured in Germany to rigorous quality standards, reflecting a longstanding commitment to craftsmanship and reliability in dental and surgical instrumentation. The robust sheath design and sharp 11-tooth cutting geometry are intended to support clean, efficient tissue preparation.

Why Choose This Instrument

When selecting a dental trephine 4.0mm surgical instrument, consistent dimensional accuracy and durable construction are essential. This Helmut Zepf trephine combines German manufacturing heritage with a practical specification set appropriate for professional clinical use.

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 inside diameter of this trephine? The inside diameter is 4.0 mm, as specified in the product designation.

What do the grading markings represent? The graduation markings at 7, 10, 13, and 16 mm indicate depth increments to assist the clinician in controlling insertion depth during surgical procedures.

How many teeth does this trephine have? This instrument features 11 teeth designed for efficient and controlled cutting performance.

Compare With

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.

Specifications: Helmut Zepf No. 08.910.05

This trephine with an inside diameter of 4.0 mm cores a cylinder of bone: it is used to harvest a bone core for grafting, to remove a failed implant with minimal bone loss, or to take a biopsy. The 7 / 10 / 13 / 16 mm graduation shows the depth of the core as the trephine advances. It has 11 teeth on a 2.35 mm shank and is a mid size matched to standard implant diameters.

Read the guides: Trephine Burs for Dental Implants · Trephines · Implantology & Bone Regeneration · All implantology instruments · All Helmut Zepf instruments