Gracey Curette Collection

The Gracey Curette is one of the most essential instruments in periodontal therapy, designed to provide area-specific subgingival scaling and root planing with precision and efficiency. Trusted by dental hygienists and periodontists worldwide, this instrument remains a cornerstone of professional periodontal care.

What Is a Gracey Curette?

A Gracey Curette features an offset blade angle — typically set at approximately 70 degrees to the shank — which allows the clinician to maintain correct adaptation to the root surface without the need for wrist adjustment. Each design in the Gracey series is engineered to access specific teeth and surfaces, making area-specific instrumentation more predictable and thorough.

Key Features and Benefits

• Area-specific blade design for targeted subgingival access
• Offset cutting edge for optimal angulation at the root surface
• Available in standard, rigid, and extended-shank configurations
• Compatible with both manual and ergonomic handle designs
• Reduces clinician fatigue through balanced weight distribution

Clinical Applications

The Gracey Curette is indicated for the removal of subgingival calculus, root planing, and periodontal debridement across anterior and posterior dentition. Different numbers within the Gracey series correspond to specific tooth groups, allowing practitioners to build a complete instrumentation set tailored to their clinical workflow.

Choosing the Right Gracey Curette

Selecting the appropriate instrument depends on the treatment area, pocket depth, and patient anatomy. Extended-shank versions offer enhanced reach into deeper periodontal pockets, while rigid variants provide greater tactile feedback for heavy calculus removal. Understanding these differences helps clinicians deliver consistent, high-quality outcomes.

History: Who Invented the Gracey Curette?

The Gracey series was developed in 1940 by Dr. Clayton Gracey, a dentist and educator at the University of Michigan, working with Hugo Friedman, founder of the Hu-Friedy Manufacturing Company. Gracey set out to remove deposits from the deepest, least accessible periodontal pockets with minimal tissue trauma — a problem the era's universal curettes handled poorly. His answer was the offset blade still in use today: a lower cutting edge angled for calculus removal, paired with a non-cutting upper edge that lets the instrument slip past the tissue with less resistance on insertion. The original series comprised fourteen single-ended, area-specific instruments (1/2 through 13/14); Helmut Zepf's numbered range, spanning 1/2 through 17/18 in standard, M5 deep-scaling, and interchangeable-insert configurations, carries that same area-specific design forward.

FAQ

What makes the Gracey Curette different from a universal curette? Unlike universal curettes, each Gracey Curette is designed for a specific area of the mouth, allowing for more precise adaptation and reduced tissue trauma.

How many instruments are in a standard Gracey set? A standard set typically includes instruments numbered 1 through 14, covering all tooth surfaces in the mouth, though common working sets may include a smaller selection of the most frequently used numbers.

How should a Gracey Curette be sharpened? Sharpening should be performed on the lower cutting edge, maintaining the original blade angle and preserving instrument integrity for consistent clinical performance.

What brands make Gracey curettes? The Gracey pattern is produced by several dental instrument manufacturers, including Hu-Friedy, American Eagle, Nordent, PDT, and Helmut Zepf. Deutsche Dental Technologien carries the Helmut Zepf Gracey Curette line — precision-forged and heat-treated in Seitingen-Oberflacht, Germany — across the full numbered range (1/2 through 17/18), in standard, M5 deep-scaling, and interchangeable-insert configurations.

Further reading: Gracey Curettes: Area-Specific Periodontal Scaling Tools – A Complete Guide and Universal Curettes vs Gracey Curettes: Columbia, Langer and When Each Is Right

Manufacturer literature: Z-Shape Curettes flyer (PDF) — more in our Hygiene Instrument Library.

Part of the Scaling & Root Planing Instruments hub.