Trephine - Inside Ø 3.3 mm, Sheath 2.35 mm x 30 mm Lg. 9 Teeth, Grading: 7/10/13/16 | Helmut Zepf No. 08.910.04

The dental trephine 3.3mm surgical instrument from Helmut Zepf GmbH is engineered for precise osseous core removal and biopsy procedures in clinical and surgical dentistry. Crafted in Germany to exacting standards, this trephine delivers the accuracy and reliability demanded by dental professionals in demanding surgical environments.

Product Specifications

• Inside Diameter: 3.3 mm
• Sheath Dimensions: 2.35 mm x 30 mm length
• Number of Teeth: 9
• Graduation Markings: 7 / 10 / 13 / 16 mm
• Item Number: Helmut Zepf No. 08.910.04

Key Features

This dental trephine 3.3mm surgical instrument features precision-ground teeth designed to facilitate clean, controlled cutting through cortical and cancellous bone. The integrated depth graduation markings at 7, 10, 13, and 16 mm allow the clinician to monitor penetration depth with confidence, reducing the risk of over-instrumentation. The 9-tooth cutting geometry supports efficient bone coring while minimising trauma to surrounding tissue.

As a dental trephine 3.3mm surgical instrument produced under the rigorous manufacturing standards associated with Helmut Zepf GmbH, this instrument is suited for implantology preparation, bone biopsy, and guided bone regeneration procedures where dimensional accuracy is critical.

Made in Germany

Helmut Zepf GmbH instruments, including this dental trephine 3.3mm surgical instrument, are manufactured in Germany, reflecting a longstanding commitment to quality craftsmanship and professional-grade dental instrumentation.

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 3.3 mm, making it suitable for precise bone core sampling and implant site preparation.

What do the graduation markings indicate? The markings at 7, 10, 13, and 16 mm provide visual depth references during surgical use, assisting the clinician in controlling penetration depth accurately.

How many cutting teeth does this instrument have? This trephine features 9 teeth designed for efficient and controlled bone cutting.

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. 08.910.04

This trephine with an inside diameter of 3.3 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. Depth marks at 7 / 10 / 13 / 16 mm show how deep the core has been cut. It has 9 teeth on a 2.35 mm shank and is one of the narrow sizes, for biopsies and small cores.

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