NiTi Spreader #D11, #7 Black Handle, 0.40 mm - Hu-Friedy

What is the NiTi Spreader #D11 #7 black handle?

The NiTi Spreader #D11 is a manual endodontic instrument manufactured by Hu-Friedy. It is distinguished by its Nickel-Titanium (NiTi) structure, an alloy recognized for its shape memory and high flexibility compared to stainless steel. This specific model has a diameter of 40 and is equipped with a black #7 type handle. As a canal spreader, its primary function is to facilitate cold lateral condensation of gutta-percha cones. Its design allows for reaching apical zones while respecting the canal anatomy, thereby limiting the risks of mechanical stress on the dentinal walls during obturation.

What are the clinical indications for this niti spreader?

This niti spreader is indicated during the endodontic obturation phases, specifically for the lateral condensation technique. It is used after the shaping and cleaning of the canal system. The practitioner uses this instrument to create a lateral space between the master gutta-percha cone and the canal wall, allowing for the insertion of accessory cones. Thanks to its diameter 40 and NiTi flexibility, it is particularly suitable for canals presenting pronounced curvatures where a traditional rigid instrument could create ledges or false paths. Its use is strictly reserved for healthcare professionals qualified in dental surgery and endodontics.

What are the technical characteristics of the NiTi Spreader #D11?

The NiTi Spreader #D11 from Hu-Friedy features precise technical characteristics to meet the requirements of modern endodontics. The tip diameter is calibrated at 40, offering an ideal compromise between fineness and compaction capacity. The shaft is manufactured from Nickel-Titanium alloy, providing increased resistance to cyclic fatigue and superior flexibility. The #7 black handle is designed to offer a stable grip, allowing for fine tactile control during the application of lateral pressure. This dental canal spreader is a non-sterile instrument upon delivery, requiring an appropriate cleaning and sterilization protocol before each clinical use.

What are the contraindications for the use of this instrument?

Contraindications for the use of the NiTi Spreader #D11 include any clinical situation where the canal morphology does not allow the passage of a diameter 40 instrument without risk of fracture or perforation. Although the manufacturer Hu-Friedy does not list specific medical contraindications in the raw data, it is imperative to follow the intended use protocols. The instrument must not be used if the patient has a known allergy to the components of the Nickel-Titanium alloy. Furthermore, excessive use of force during lateral condensation must be avoided to prevent any vertical root fracture, a known complication in endodontics when using spreaders.

What are the maintenance and handling precautions?

As the NiTi Spreader #D11 is a reusable instrument, it must be processed according to the instructions from the manufacturer Hu-Friedy. Before the first use and after each procedure, it is necessary to perform rigorous cleaning followed by sterilization. Like any NiTi instrument, the shaft should be regularly inspected for any signs of twisting, unwound flutes, or corrosion, which could lead to intra-canal breakage. Handling must be delicate: the spreader must be inserted without force and removed carefully after creating space for the gutta-percha cones. Compliance with these precautions ensures the longevity of the instrument and the safety of the care provided to the patient.

Who is the manufacturer and what standards are respected?

The NiTi Spreader #D11 is manufactured by Hu-Friedy Mfg. Co., LLC, located at 3232 N. Rockwell St. Chicago, Il 60618 USA. This device belongs to Class I according to medical device regulations. As a product from a globally recognized manufacturer in the dental sector, it meets the brand's rigorous quality standards. It is essential for the healthcare professional to carefully read the instructions for use provided by Hu-Friedy before any intervention. This medical device is intended exclusively for professional use, ensuring that canal obturation procedures are performed with equipment compliant with current regulatory requirements for Class I instruments.

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