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turbodent touch is intended for a complete supra-gingival and sub-gingival prophylaxis treatment. The prophylaxis treatment is obtained by the projection of water, air and appropriate dental prophylaxis powders, onto the tooth surface. The device removes dental plaque, soft deposits, and surface stains from pits, grooves, interproximal spaces, or smooth surfaces of teeth. turbodent touch is intended for the following oral prophylaxis procedures:

• Plaque removal for placement of sealants
• Surface preparation prior to bonding/cementation of inlays, onlays, crowns and veneers
• Surface preparation prior to placing composite restorations
• Effective plaque and stain removal for orthodontic patients
• Cleaning prior to bonding ortho brackets
• Cleaning implant fixtures prior to loading
• Stain removal for shade determination
• Plaque removal prior to fluoride treatment
• Plaque and stain removal prior to whitening procedures

The turbodent touch is also intended for use as an air-polisher in patients suffering from periodontal disease. The turbodent touch is indicated for the non-surgical removal of subgingival plaque in pockets up to 5 mm after initial periodontal treatment.

turbodent touch can be considered a functionally segmented version of the combi touch device (K231391), incorporating exclusively the air polishing functionality. It shares the main components, materials, and manufacturing processes as the combi touch, from which it is derived. The indication for use of turbodent touch is aligned with the air polishing indication of the combi touch.

The turbodent touch uses an operating principle based on the mechanical action of an accelerated powder jet, obtained thanks to compressed air. The kinetic energy imparted to the particles is almost completely dissipated in the impact against the dental surface, producing a delicate but effective cleaning action. The action is completed by a jet of water which, taking advantage of the depression created around the nozzle, is arranged in a bell-like shape surrounding the air and powder mixed flow. The water flow produces a double effect: continuous washing of the area treated from excess powder, and prevention of environmental dissemination of powder in the operating area.

In detail, the turbodent touch is mainly based on one polisher channel and it is equipped with three handpieces, AIR-POLISHING 90°, AIR-POLISHING 120° AND AIR-POLISHING PERIO (handpieces are already cleared, K231391). The device has a touch keyboard, displaying all selectable functions and the value scales that can be set by the user by simply gently pressing the finger at the chosen buttons.

The user-configurable settings include depressurization of the powder containers for safe removal, no powder cleaning mode and consequently the possibility of excluding water as well, circuit filling/rinsing, and air-polishing modes. For each selected air-polishing mode (PROPHY or PERIO), it is possible to choose different power levels (LOW, MEDIUM and HIGH) within a certain range preset by the manufacturer. The air-polishing action is activated by means of a foot pedal.

The irrigation system is completely external with irrigation tubing connecting the handpiece to the machine that has access to the external water network.

The turbodent touch is not intended to interact with other devices during use. About patient interaction, the SUBGINGIVAL PERIO TIPS (already cleared, K231391) attached to the terminal part of the handpiece AIR-POLISHING PERIO, enter into direct contact with the patient's body during use to allow the intended therapeutic functions to take place. These medical devices are supplied sterile and certified by external suppliers. Possible contact of the patient with the external part of the handpiece must be considered in the evaluation.

The production processes carried out internally at Mectron for processing the components of turbodent touch system are mainly assembly processes according to specific workflows and a dedicated production line.

The provided text describes the 510(k) clearance for the "turbodent touch" device, which is an air polishing unit for dental prophylaxis. However, it does not contain any information about acceptance criteria or a study proving the device meets those criteria, especially not related to AI/ML performance.

The document details the device's function, comparison to a predicate device, and summaries of non-clinical testing (electrical safety, EMC, biocompatibility, software, performance, usability, distribution). Crucially, Section 9 explicitly states: "No clinical testing was conducted for this submission."

Therefore, I cannot fulfill your request to describe the acceptance criteria and the study that proves the device meets the acceptance criteria, as the provided text lacks this information. The device is a physical dental instrument, not an AI/ML-driven diagnostic tool, and its clearance relies on substantial equivalence to a predicate, not on a performance study against specific acceptance metrics for AI output.

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