A61CDENTISTRYAPPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE non-driven toothbrushes A46B; tongue scrapers A61B17/24; preparations for dentistry A61K6/00; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: A61C7/24 covered by A61C7/20A61C7/26 covered by A61C7/20A61C7/32 covered by A61C7/28A61C8/02 covered by A61C8/0004A61C11/04 covered by A61C11/00A61C13/003 covered by A61C13/26A61C13/007 covered by A61C13/01A61C13/03 covered by A61C13/01A61C13/07 covered by A61C13/0025A61C13/093 covered by A61C13/1006A61C13/103 covered by A61C13/1009A61C13/105 covered by A61C13/1009A61C13/107 covered by A61C13/0001A61C13/113 covered by A61C13/0001A61C13/15 covered by A61C19/003A61C13/23 covered by A61C13/0025A61C13/263 covered by A61C13/225A61C13/271 covered by A61C13/26A61C13/32 covered by A61C13/225A61C13/36 covered by A61C13/1016A61C13/38 covered by A61C13/12In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. A61C1/00Dental surgery A61C1/00Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design A61C1/0007Control devices or systems fluid temperature control in air and water supply systems of dental machines or apparatus A61C1/0069 A61C1/0015Electrical systems A61C1/0023Foot control A61C1/003Control of rotation of instrument A61C1/0038Pneumatic systems A61C1/0046Dental lasers surgical lasers A61B18/20; working by laser beam in general B23K26/00; lasers per se H01S3/00 A61C1/0053Portable units A61C1/0061Air and water supply systems; Valves specially adapted therefor A61C1/052 takes precedence; rinsing or air-blowing devices A61C17/02 A61C1/0069Fluid temperature control A61C1/0076Sterilising operating fluids or fluid supply elements such as supply lines, filters sterilisation of liquid substances in general A61L2/18 A61C1/0084Supply units, e.g. reservoir arrangements, specially adapted pumps A61C1/0092Pumps specially adapted therefor A61C1/02characterised by the drive of the dental tools A61C1/04with treadle or manual drive A61C1/05with turbine drive A61C1/052Ducts for supplying driving or cooling fluid, e.g. air, water A61C1/055through the working tool, e.g. hollow burr A61C1/057with means for preventing suction effect in turbine after deactivation of the drive air A61C1/06with electric drive A61C1/07with vibratory drive, e.g. ultrasonic A61C1/08Machine parts specially adapted for dentistry A61C1/081Pain-alleviating features A61C1/082Positioning or guiding, e.g. of drills A61C1/084of implanting tools A61C1/085for multiple drills, for simultaneous drilling A61C1/087Supplying powder or medicines A61C1/088Illuminating devices or attachments for examination of the mouth A61B1/24 and A61B1/06 A61C1/10Straight hand-pieces A61C1/12Angle hand-pieces A61C1/14Tool-holders , i.e. operating tool holders, e.g. burr holders A61C1/141in an angled handpiece A61C1/142Operating tool blocking means A61C1/144constricting the operating tool, e.g. chuck A61C1/145Instruments or accessories for tool holders A61C1/147in a straight handpiece A61C1/148Non-rotating tool holders, e.g. vibrating, oscillating, nutating A61C1/16Protecting caps for hand-pieces or angle-pieces A61C1/18Flexible shaftsClutches or the like; Bearings or lubricating arrangements; Drives or transmissionsflexible shafts in general F16C; clutches in general F16D A61C1/181Bearings or lubricating arrangements, e.g. air-cushion bearings A61C1/183Jewel bearings A61C1/185Drives or transmissions A61C1/186with torque adjusting or limiting means A61C1/188Means for allowing non driven rotation of the tool relative to the handle, e.g. toolswivel A61C3/00Dental tools or instruments implanting tools A61C8/00; tools for fastening artificial teeth A61C13/12; visual inspection devices, e.g. dental mirrors, A61B1/24 A61C3/005Brushes for applying dental compositions A61C3/02Tooth drilling or cutting instrumentsInstruments acting like a sandblast machine A61C3/025Instruments acting like a sandblast machine, e.g. for cleaning, polishing or cutting teeth A61C3/03Instruments operated by vibration A61C3/04Supports for holding tooth drills in order of use A61C3/06Tooth grinding or polishing discsHolders therefor prophylactic cups A61C17/005 A61C3/08Tooth pluggers or hammers A61C3/10Tooth pincettes or the like A61C3/12Tooth saws A61C3/14Dentists' forceps or the like for extracting teeth A61C3/16Dentists' forceps or clamps for removing crowns A61C3/162acting by leverage A61C3/164acting by percussion A61C3/166acting by vibration A61C3/168with wires A61C5/00Filling or capping teeth A61C5/007Dental splints; teeth or jaw immobilisation devices; stabilizing retainers bonded to teeth after orthodontic treatments A61C5/20Repairing attrition damage, e.g. facets A61C5/30Securing inlays, onlays or crowns A61C5/35PinsMounting tools or dispensers therefor A61C5/40Implements for surgical treatment of the roots or nerves of the teethNerve needlesMethods or instruments for medication of the roots A61C5/42Files for root canalsHandgrips or guiding means therefor A61C5/44Means for controlling working depth, e.g. supports or boxes with depth-gauging means, stop positioners or files with adjustably-mounted handles A61C5/46Nerve extractors, e.g. needlesMeans for removing broken parts of endodontic instruments A61C5/48Means for preventing loss of endodontic instruments during treatment A61C5/50Implements for filling root canalsMethods or instruments for medication of tooth nerve channels A61C5/55with heating means, e.g. for heating gutta percha A61C5/60Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses A61C5/62Applicators, e.g. syringes or guns A61C5/64for multi-component compositions A61C5/66Capsules for filling material A61C5/68Mixing dental material components for immediate application to a site to be restored, e.g. a tooth cavity A61C5/70Tooth crownsMaking thereof A61C5/73Composite crowns A61C5/77Methods or devices for making crowns A61C5/80Dental aids fixed to teeth during treatment, e.g. tooth clamps A61C5/82DamsHolders or clamps therefor A61C5/85Filling bands, e.g. matrix bandsManipulating tools therefor A61C5/88Wedges A61C5/90Oral protectors for use during treatment, e.g. lip or mouth protectors A61C5/82 takes precedence A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions A61C7/002Orthodontic computer assisted systems A61C2007/004Automatic construction of a set of axes for a tooth or a plurality of teeth A61C7/006using magnetic force A61C7/008using vibrating means A61C7/02Tools for manipulating or working with an orthodontic appliance tools for placement of brackets A61C7/146; instruments for attaching elastic bands A61C7/306 A61C7/023for debonding or removing orthodontic devices A61C7/026for twisting orthodontic ligature wires A61C7/04plier-type, e.g. pincers A61C7/06Extra-oral force transmitting means, i.e. means worn externally of the mouth and placing a member in the mouth under tension A61C7/065with a chin cup A61C7/08Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch arch-shaped medicament applicators for teeth or gums A61C19/063; mouthguards for protecting the teeth of sportsmen A63B71/085 A61C7/10Devices having means to apply outwardly directed force, e.g. expanders A61C7/12BracketsArch wiresCombinations thereofAccessories therefor A61C7/125Mouth tissue protecting means, e.g. bracket caps A61C7/14Brackets A61C7/28 takes precedenceFixing brackets to teeth A61C7/141Brackets with reinforcing structure, e.g. inserts A61C7/143Brackets with two or more recesses for arch wires A61C7/145Lingual brackets A61C7/146Positioning or placement of brackets; Tools therefor A61C7/148with occlusal or gingival archwire slot opening A61C7/145 takes precedence A61C7/16specially adapted to be cemented to teeth A61C7/18specially adapted to be fixed to teeth with a bandBands therefor A61C7/20Arch wires A61C7/28 takes precedence A61C7/22Tension adjusting means A61C7/28Securing arch wire to bracket A61C7/282Buccal tubes A61C7/285Locking by rotation A61C7/287Sliding locks A61C7/30by resilient means; Dispensers therefor A61C7/303Elastic bands A61C7/306Dispensers or attachment instruments therefor A61C7/34using lock pins A61C7/36Devices acting between upper and lower teeth A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereonDental implantsImplanting tools fastening of peg-teeth in the mouth A61C13/30 A61C8/0001Impression means for implants, e.g. impression coping A61C8/0003Not used, see subgroups A61C8/0004Consolidating natural teeth A61C8/0006Periodontal tissue or bone regeneration support means for endoprosthetic bone substitute or bone graft implants A61F2/2846 A61C8/0007Stimulation of growth around implant by electrical means A61C8/0009Consolidating prostheses or implants, e.g. by means of stabilising pins A61C8/0031 takes precedence A61C8/001Multiple implanting technique, i.e. multiple component implants introduced in the jaw from different directions A61C8/0012characterised by the material or composition, e.g. ceramics, surface layer, metal alloy use of specific materials A61K6/00 A61C8/0013with a surface layer, coating A61C8/0015being a conversion layer, e.g. oxide layer A61C8/0016polymeric material A61C8/0018characterised by the shape A61C8/0019Blade implants A61C8/0021with self-incising cutting edge A61C8/0022Self-screwing A61C8/0028 takes precedence A61C8/0024with self-boring cutting edge A61C8/0025with multiple threads A61C8/0027Frames A61C8/0028Pins, needles; Head structures therefor A61C8/0004, A61C8/0009 take precedence A61C8/003Transmandibular implants A61C8/0031Juxtaosseous implants, i.e. implants lying over the outer surface of the jaw bone A61C8/0033Expandable implants; Implants with extendable elements A61C8/0034Long implant, e.g. zygomatic implant A61C8/0036Tooth replica A61C8/0037Details of the shape A61C8/0039in the form of hollow cylinder with an open bottom A61C8/004inflatable A61C8/0042consisting of two halves A61C8/0043having more than one root A61C8/0045with a stepped body A61C2008/0046Textured surface, e.g. roughness, microstructure A61C8/0013 takes precedence A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars A61C8/0028 takes precedence A61C8/005Connecting devices for joining an upper structure with an implant member, e.g. spacers A61C8/0051Abutment monobloc with restoration A61C8/0053with angular adjustment means, e.g. ball and socket joint A61C8/0054having a cylindrical implant connecting part A61C8/0056diverging in the apical direction of the implant or abutment A61C8/0057with elastic means A61C8/0059with additional friction enhancing means A61C8/006with polygonal positional means, e.g. hexagonal or octagonal A61C8/0062Catch or snap type connection A61C8/0063with an internal sleeve A61C8/0065with expandable or compressible means A61C8/0066with positioning means A61C8/006 takes precedence A61C8/0068with an additional screw A61C8/0069tapered or conical connection A61C8/0071with a self-locking taper, e.g. morse taper A61C8/0072including male and female conical parts with different angles A61C8/0074with external threads A61C8/0075Implant heads specially designed for receiving an upper structure if separable from the implant A61C8/005 A61C8/0077with shape following the gingival surface or the bone surface A61C8/0078with platform switching, i.e. platform between implant and abutment A61C8/008Healing caps or the like A61C8/0081Magnetic dental implant retention systems A61C8/0083Intra-gingival inserts A61C2008/0084Provisional implants or abutments A61C8/0086with shock absorbing means A61C8/0087Means for sterile storage or manipulation of dental implants A61C8/0089Implanting tools or instruments A61C8/009for selecting the right implanting element, e.g. templates A61C8/0092for sinus lifting A61C8/0093Features of implants not otherwise provided for A61C8/0095Total denture implant A61C8/0096Implants for use in orthodontic treatment A61C8/0098Immediate loaded implants A61C9/00Dental prostheticsArtificial teeth preparations for dentistry A61K6/00 A61C9/00Impression cups, i.e. impression traysImpression methods computer-assisted sizing A61C13/0004; instruments for determining occlusion A61C19/05 A61C9/0006Impression trays A61C9/0013Inflatable trays A61C9/002Means or methods for correctly replacing a dental model, e.g. dowel pins; Dowel pin positioning means or methods A61C9/0026Syringes or guns for injecting impression material; Mixing impression material for immediate use A61C9/0033Gingival retraction appliances A61C9/004Means or methods for taking digitized impressions A61C9/0046Data acquisition means or methods A61C9/0053Optical means or methods, e.g. scanning the teeth by a laser or light beam A61C9/006projecting one or more stripes or patterns on the teeth A61C9/0066Depth determination through adaptive focusing A61C9/0073Interferometric means or methods, e.g. creation of a hologram A61C9/008Mechanical means or methods, e.g. a contact probe moving over the teeth A61C9/0086Acoustic means or methods A61C9/0093Workpiece support A61C11/00Dental articulators, i.e. for simulating movement of the temporo-mandibular jointsArticulation forms or mouldings A61C11/001non-pivoting A61C11/003with height adjustments thereof A61C11/005with tracing devices A61C11/006with an occlusal plate A61C11/008made of wires A61C11/02characterised by the arrangement, location or type of the hinge means ; Articulators with pivots A61C11/022with two adjustable pivoting points, e.g. Argon-type articulators A61C11/025with a pivotable lower part, i.e. mandibule motion simulator A61C11/027with a hinge made of resilient material A61C11/06with incisal guide A61C11/08with means to secure dental casts to articulator A61C11/081with adjusting means thereof A61C11/082for rectilinear adjustment A61C11/084for 3D adjustment, e.g. Ball-and-socket A61C11/085Intermediary adjustment plates A61C11/087using magnets A61C11/088using screws A61C13/00Dental prosthesesMaking same tooth crowns for capping teeth A61C5/70; dental implants A61C8/00 A61C13/0001In-situ dentures; Trial or temporary dentures A61C13/0003Making bridge-work, inlays, implants or the like A61C13/0004Computer-assisted sizing or machining of dental prostheses A61C13/0006Production methods A61C13/0007using sand blasting A61C13/0009using a copying machine A61C13/001Electrophoresis coating A61C13/0012Electrolytic coating A61C13/0013using stereolithographic techniques A61C13/0015using electrical discharge machining [EDM], e.g. spark erosion A61C13/0016using ultrasonic or sonic machining process A61C13/0018using laser A61C13/0019using three dimensional printing A61C13/0021using stamping techniques A61C13/0022Blanks or green, unfinished dental restoration parts A61C13/0024Repairing or adjusting dentures; Location of irritating zones A61C13/0025Linings A61C13/0027Base for holding castings A61C13/0028Instruments or appliances for wax-shaping or wax-removing A61C13/01Palates or other bases or supports for the artificial teethMaking same A61C13/02made by galvanoplastic methods or by platingSurface treatmentEnamellingPerfumingMaking antiseptic A61C13/04made by casting A61C13/06made by punching A61C13/08Artificial teethMaking same kilns for artificial teeth F27B A61C13/081Making teeth by casting or moulding A61C13/082Cosmetic aspects, e.g. inlays; Determination of the colour A61C19/10 takes precedence A61C13/083Porcelain or ceramic teeth A61C13/081 takes precedence; preparations A61K6/80 A61C13/0835Ceramic coating on metallic body A61C13/087Artificial resin teeth A61C13/081 takes precedence; preparations A61K6/80 A61C13/09Composite teeth, e.g. front and back section A61C13/0835, A61C13/1023 take precedenceMultilayer teeth A61C13/097characterised by occlusal profiles , i.e. chewing contact surfaces A61C13/10Fastening of artificial teeth to denture palates or the like A61C8/0048 takes precedence A61C13/1003by embedding in base material A61C13/1006characterised by a tooth shape which improves retention A61C13/1009Anchorage members, e.g. pins or bars; Means or methods for affixing pins to porcelain teeth A61C13/1013Arch forms A61C13/1016Methods or apparatus for mounting, holding or positioning a set of teeth A61C13/102to be fixed to a frame A61C13/1023Facing and backing A61C13/1026Shock absorbers A61C13/12Tools for fastening artificial teethHolders, clamps, or stands for artificial teeth A61C8/0089 takes precedence A61C13/14Vulcanising devices for artificial teeth by radiation A61C19/003; apparatus for curing, e.g. vulcanising, of plastics or substances in a plastic state, in general B29C35/00 A61C13/16Curing flasksHolders therefor A61C13/18Presses for flasks A61C13/20Methods or devices for soldering, casting, moulding or melting A61C13/04, A61C13/081 take precedence A61C13/203using microwave energy A61C13/206Injection moulding A61C13/225Fastening prostheses in the mouth securing tooth crowns in capping teeth A61C5/30 A61C13/2255Frames for partial dentures; Lingual bars A61C13/235Magnetic fastening A61C8/0081 takes precedence; magnetic implants A61C8/00 A61C13/24Fastening by suction , i.e. total dentures A61C8/00, A61C13/235, A61C13/28 take precedence A61C13/245Vacuum enhancing devices, e.g. valves A61C13/25including valve or air passageway leading from suction area to lingual cavity A61C13/26Dentures without palates; Partial dentures, e.g. bridges A61C13/265Sliding or snap attachments A61C13/2653Sliding attachments A61C13/2656Snap attachments A61C13/267Clasp fastening A61C13/273removably secured to residual teeth by using bolts or locks A61C13/275removably secured by using bridging bars or rails between residual teeth A61C2013/2753characterised by the shape of the bridging bar A61C2013/2756having a Y-shaped cross-section A61C13/277Telescopic anchoring , i.e. using spring biased detents A61C13/28Fastening by spring action between upper and lower denture A61C13/30Fastening of peg-teeth in the mouth A61C13/34Making or working of models, e.g. preliminary castings, trial denturesDowel pins [4] A61C15/00Tooth-cleaning or mouth-rinsing devices non-driven toothbrushes A46B; tongue scrapers A61B17/24; preparations for cleaning the teeth or mouth A61K8/00, A61Q11/00 A61C15/00Devices for cleaning between the teeth A61C15/02Toothpicks A61C15/04Dental flossFloss holders A61C15/041Dental floss chemical aspects A61Q11/00 A61C15/042comprising protuberances along its length, e.g. balls or knots A61C15/043Containers, dispensers, or the like, e.g. with cutting means A61C15/046 takes precedence A61C15/045Threading or knotting devices A61C15/046Flossing tools A61C15/047power-driven A61C15/048with heads removable from handle, e.g. interchangeable heads A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses instruments acting like a sandblast machine A61C3/025; tooth polishing discs or holders therefor A61C3/06; devices for cleaning between the teeth A61C15/00Saliva removersDental appliances for receiving spittleCleaning of prostheses using ultrasonic techniques similar to those used for natural teeth is classified in this group. Other ultrasonic cleaning of prostheses is classified in group B08B3/12 A61C17/005Devices for dental prophylaxis A61C17/02Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication combined with receptacles for spittle A61C17/14; combined with power-driven cleaning or polishing devices A61C17/16 A61C17/0202Hand-pieces A61C17/0205Container filling apparatus A61C17/0208combined with means providing suction A61C17/0211 takes precedence A61C17/0211specially adapted for rinsing the teeth of at least one jaw simultaneously A61C17/20 takes precedence A61C17/0217having means for manually controlling the supply of two or more fluids, e.g. water and air A61C17/022Air-blowing devices , e.g. with means for heating the air A61C17/024with constant liquid flow A61C17/028with intermittent liquid flow A61C17/032using pressurised tap-water , e.g. rinsing devices specially adapted for being connected to the main water supply A61C17/036Cleaning devices for dental prostheses removed from the oral cavity A61C17/06Saliva removersAccessories therefor A61C17/065characterised by provisions for processing the collected matter, e.g. for separating solids or air A61C17/08Aspiration nozzles A61C17/084with light sources A61C17/088with mirrors A61C17/092with tips having features to prevent suction of soft tissues A61C17/096Bendable saliva removers A61C17/10with mouth props, tongue guards, tongue depressors or cheek spreaders A61C17/12Control devices, e.g. for suction A61C17/125with backflow prevention, e.g. check valves A61C17/13with manually operated valves A61C17/135with self-cleaning or self-disinfecting means A61C17/14Dental appliances for receiving spittle, with or without rinsing means therefor, e.g. dental basins, spittoons, cuspidors A61C17/16Power-driven cleaning or polishing devices A61C17/18Chiselling scalers A61C17/20 takes precedence A61C17/20using ultrasonics A61C17/22with brushes, cushions, cups, or the like brush bodies, e.g. arrangements of the bristles A46B A61C17/221Control arrangements therefor A61C17/222Brush body details, e.g. the shape thereof or connection to handle A61C17/224Electrical recharging arrangements A61C17/225Handles or details thereof A61C17/227with reservoirs, e.g. for toothpaste A61C17/228Self-contained intraoral toothbrush, e.g. mouth-guard toothbrush without handle A61C17/24rotating continuously A61C17/40 takes precedence A61C17/26driven by electric motor A61C17/28with rinsing means A61C17/30driven by hydraulic motor, e.g. water motor A61C17/32reciprocating or oscillating A61C17/34driven by electric motor A61C17/3409characterized by the movement of the brush body A61C17/3418Rotation around the axis of the toothbrush handle A61C17/3427Rotation around the axis perpendicular to the axis of toothbrush handle and in the plane defined by the bristle holder A61C17/3436Rotation around the axis perpendicular to the plane defined by the bristle holder A61C17/3445Translation along the axis of the toothbrush handle A61C17/3454Translation along the axis perpendicular of the axis of toothbrush handle and in the plane defined by the bristle holder A61C17/3463Translation along the axis perpendicular to the plane defined by the bristle holder A61C17/3472with combined movements of the brush body A61C17/3481Vibrating brush body, e.g. by using eccentric weights A61C17/349with multiple brush bodies A61C17/36with rinsing means A61C17/38driven by hydraulic motor, e.g. water motor A61C17/40orbiting, e.g. nutating A61C19/00 A61C19/00Dental auxiliary appliances dental chairs or accessories therefor, working stands whether or not combined with chairs A61G15/00 A61C19/001Holders for absorbent pads absorbent pads per se A61F13/00 A61C19/002Cleaning devices specially adapted for dental instruments disinfecting A61L2/00; cleaning in general B08B A61C19/003Apparatus for curing resins by radiation A61C19/004Hand-held apparatus, e.g. guns A61C19/005Devices for the manual mixing of small quantities of materials, e.g. trays for mixing dental porcelain A61C19/006Finger- or hand-supported dental trays A61C19/007Dust removing devices on working places in dental laboratories, e.g. working by suction preventing escape of dirt B08B15/00 A61C19/008Devices for displaying or storing lost natural teeth, e.g. boxes A61C19/02Protective casings, e.g. boxes for instrumentsBags A61C5/44 takes precedence A61C19/04Measuring instruments specially adapted for dentistry A61C5/44 takes precedence; testing vitality of teeth A61B5/0534; radiation diagnosis A61B6/00 A61C19/041for measuring the length of the root canal of a tooth A61C19/042for determining the position of a root apex A61C19/043Depth measuring of periodontal pockets; Probes therefor A61C19/045for recording mandibular movement, e.g. face bows A61C19/05for determining occlusion A61C19/052with tracing appliances A61C19/055Paralleling devices A61C19/06Implements for therapeutic treatment radiation therapy A61N5/00 A61C19/063Medicament applicators for teeth or gums, e.g. treatment with fluorides A61C19/066Bleaching devices; Whitening agent applicators for teeth, e.g. trays or strips A61C19/08combined with anaesthetising implements dental hypodermic syringes A61M5/00 A61C19/10Supports for artificial teeth for transport or for comparison of the colour A61C2201/00 A61C2201/00Material properties A61C2201/002using colour effect, e.g. for identification purposes A61C2201/005using radio-opaque means A61C2201/007using shape memory effect A61C2202/00Dental surgery A61C2202/00Packaging for dental appliances A61C2202/01Packaging for light-curable material A61C2202/02Packaging for volatile material A61C2203/00Means for making patients feel at ease during dental treatment, e.g. dental instruments in the form of toys A61C2204/00Features not otherwise provided for A61C2204/002using batteries A61C2204/005using chip tag or any electronic identification mean, e.g. RFID A61C2204/007using wear indicators