Angle former #28 DE (10-95-7-14) handle #9 - Hu-Friedy - Delynov

What is the Hu-Friedy #28 DE angle former?

The #28 DE angle former is a precision hand instrument developed by Hu-Friedy Mfg. Co., LLC. This double-ended (DE) device is specifically designed for restorative dentistry interventions requiring meticulous cavity preparation. It is equipped with the #9 handle, a characteristic ergonomic handle from the Hu-Friedy brand, offering a stable grip for delicate technical movements. This instrument belongs to the INSTRU category and is classified as a Class I medical device, guaranteeing its compliance with basic regulatory requirements for manual dental instrumentation.

What are the clinical indications for this instrument?

In dental and restorative surgery, the #28 DE angle former is indicated for finishing cavity walls. Its primary role consists of forming, refining, and accentuating internal angles (line angles and point angles) within preparations. Precise angle geometry is fundamental to ensure the stability and mechanical retention of restorative materials, whether they are amalgams or composites. The use of this Hu-Friedy instrument allows for the elimination of irregularities in enamel and dentin on axial, gingival, or pulpal walls, thus optimizing the interface between the tooth structure and the filling material.

What are the technical characteristics of the #28 DE angle former?

The #28 DE angle former is distinguished by its technical reference 10-95-7-14, which corresponds to the specific dimensions and angles of the working ends. This double-ended instrument allows the practitioner to alternate between two working orientations without changing tools, thereby improving surgical efficiency. The Hu-Friedy #9 handle is designed to offer superior tactile control, essential when applying controlled pressure for cutting dentin or enamel. Manufactured by Hu-Friedy Mfg. Co., LLC in the United States, this device meets the manufacturing standards of a recognized manufacturer in the field of surgical instrumentation.

What are the contraindications for the use of this device?

According to the information provided by the manufacturer Hu-Friedy Mfg. Co., LLC, the use of this instrument is strictly reserved for qualified healthcare professionals. There are no specific medical contraindications listed other than those related to inappropriate clinical practice or use by untrained personnel. As with any sharp manual instrument, it should not be used on structures or materials for which it was not designed, in order to avoid any risk of fracture of the working end or damage to surrounding tissues. Practitioners should refer to the instructions for use for any additional warnings.

What are the maintenance and handling precautions?

The #28 DE angle former, being a non-resorbable Class I device, requires a rigorous sterilization and cleaning protocol between each patient. Although the exact material specifications are not detailed here, Hu-Friedy instruments must be inspected before each use to check the integrity of the cutting edges and the absence of corrosion. Proper maintenance ensures the longevity of the instrument and patient safety. It is imperative to carefully read the manufacturer's instructions located at 3232 N. Rockwell St. Chicago, Il 60618 USA before any handling to ensure compliance with recommended decontamination cycles.

Who is the manufacturer and what standards are respected?

The #28 DE angle former is manufactured by Hu-Friedy Mfg. Co., LLC, a company based in Chicago, Illinois, in the United States. This medical device is listed as Class I according to current regulations. As a product from a recognized manufacturer, it follows strict quality control processes to meet the needs of demanding dental surgeons. The mention of the Hu-Friedy headquarters address highlights the traceability and professional origin of the instrument. Compliance with the Class I classification indicates that the device meets the safety and performance standards defined for non-invasive or transient-use manual dental instruments.

State of the art

Specialized surgical instrumentation is evolving towards ergonomic designs.