<?xml version='1.0' encoding='UTF-8'?><device xmlns='http://www.fda.gov/cdrh/gudid' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'><publicDeviceRecordKey>c9282e8a-25d2-414b-ab19-c5c1d0c681f6</publicDeviceRecordKey><publicVersionStatus>Update</publicVersionStatus><deviceRecordStatus>Published</deviceRecordStatus><publicVersionNumber>2</publicVersionNumber><publicVersionDate>2025-11-25</publicVersionDate><devicePublishDate>2025-06-16</devicePublishDate><deviceCommDistributionEndDate xsi:nil="true"/><deviceCommDistributionStatus>In Commercial Distribution</deviceCommDistributionStatus><identifiers><identifier><deviceId>E29968919</deviceId><deviceIdType>Unit of Use</deviceIdType><deviceIdIssuingAgency>HIBCC</deviceIdIssuingAgency><containsDINumber xsi:nil="true"/><pkgQuantity xsi:nil="true"/><pkgDiscontinueDate xsi:nil="true"/><pkgStatus xsi:nil="true"/><pkgType xsi:nil="true"/></identifier><identifier><deviceId>E29968910</deviceId><deviceIdType>Primary</deviceIdType><deviceIdIssuingAgency>HIBCC</deviceIdIssuingAgency><containsDINumber xsi:nil="true"/><pkgQuantity xsi:nil="true"/><pkgDiscontinueDate xsi:nil="true"/><pkgStatus xsi:nil="true"/><pkgType xsi:nil="true"/></identifier></identifiers><brandName>myRing Prime</brandName><versionModelNumber>6891</versionModelNumber><catalogNumber>6891</catalogNumber><dunsNumber>481461598</dunsNumber><companyName>Polydentia SA</companyName><deviceCount>2</deviceCount><deviceDescription xsi:nil="true"/><DMExempt>false</DMExempt><premarketExempt>true</premarketExempt><deviceHCTP>false</deviceHCTP><deviceKit>false</deviceKit><deviceCombinationProduct>false</deviceCombinationProduct><singleUse>false</singleUse><lotBatch>true</lotBatch><serialNumber>false</serialNumber><manufacturingDate>false</manufacturingDate><expirationDate>false</expirationDate><donationIdNumber>false</donationIdNumber><labeledContainsNRL>false</labeledContainsNRL><labeledNoNRL>false</labeledNoNRL><MRISafetyStatus>Labeling does not contain MRI Safety Information</MRISafetyStatus><rx>false</rx><otc>false</otc><contacts><customerContact><phone>+41919462948</phone><phoneExtension xsi:nil="true"/><email>info@polydentia.ch</email></customerContact></contacts><gmdnTerms><gmdn><gmdnCode>33204</gmdnCode><gmdnPTName>Dental matrix band retainer</gmdnPTName><gmdnPTDefinition>A dental device designed to engage the ends of a matrix band or strip to hold it in position around a tooth that is being prepared for a dental restoration. It can be designed as a self-closing circular ring, or a rod-like instrument that tensions and locks the matrix band in place. This device will remain intraoral or attached to the matrix band during the dental procedure. This is a reusable device.</gmdnPTDefinition><implantable>false</implantable><gmdnCodeStatus>Active</gmdnCodeStatus></gmdn></gmdnTerms><productCodes><fdaProductCode><productCode>DZN</productCode><productCodeName>Instruments, Dental Hand</productCodeName></fdaProductCode></productCodes><deviceSizes/><environmentalConditions/><sterilization><deviceSterile>false</deviceSterile><sterilizationPriorToUse>true</sterilizationPriorToUse><methodTypes><sterilizationMethod>Moist Heat or Steam Sterilization</sterilizationMethod></methodTypes></sterilization></device>