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510(k) Data Aggregation
K Number
K210373Device Name
Clear Aligners
Manufacturer
Date Cleared
2021-08-27
(200 days)
Product Code
Regulation Number
872.5470Why did this record match?
Applicant Name (Manufacturer) :
Shenzhen Yinuo Dental Technology Co.LTD
AI/MLSaMDIVD (In Vitro Diagnostic)TherapeuticDiagnosticis PCCP AuthorizedThirdparty
Intended Use
This device is indicated for use in the alignment of all permanent dentition through orthodontic treatment and malocclusion.
Device Description
The Clear Aligner is intraoral thermoformed plastic aligner that worn 20 to 22 hours per day and is designed to be used in a sequence, each aligner providing a gentle continuous force, to allow for the movement of teeth to the final desired position. The aligner is to be removed for eating and for cleaning.
Clear Aligner is fabricated using a three-step process.
The first step is to obtain the dimensions and details of the patient's baseline dentition from the prescribing clinician who takes impressions or scans of the patient's teeth and sends them to the lab. The scanned data (digital CAD/CAM models or patient models) are imported into specialized dental software for treatment planning.
The second step is to sent the treatment plan to the dentist for review and approval, then print the 3D models of the treatment plan for use in step 3 (thermoforming). In the second step, we utilizes a software application to plan the treatment by creating a series of sequential models that gradually position the teeth into their final desired position. A 3D printer is used to create the molds needed for each treatment step to provide the surface around which the aligner is thermoformed.
The final step is the thermoforming of a plastic sheet material to each of the sequential treatment steps. This process is done using a standard thermoforming equipment and the appropriate material as outlined in this submission. And the thermoformed aligners are sent back to the dentist for distribution to the patient in sequential stages and that the dentist checks the aligners for fit and function and monitors the treatment from the first aligner until treatment is completed.
Specialized orthodontic CAD/CAM software will be used to develop the treatment plans and to produce standard 3D printer files that will facilitate the manufacturing of each sequential aligner in the treatment plan. The software application used for the manufacturing validation is this submission is the 3Shape Ortho System ™ Software which have 510(k) (K152086).
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