Other products from "IMPLANTS AND ATTACHMENTS, INC."
No Primary DI Version or Model Catalog Number Device Description Product Code Product Code Name Device Class Brand Name
1 00842092175293 8000141 8000141 Titanium Scan Body for Zimmer TSV 3.5mm NDP Accessories, Implant, Dental, Endosseous 1 Zimmer
2 00842092166987 8000115 8000115 Zimmer TSV 3.5mm Non-Engaging Plastic UCLA EGG ATTACHMENT, PRECISION, ALL Zimmer
3 00842092165997 9001435 9001435 Straumann Bone Level RC Non-Engaging Verification CylinderKit contains:1 Strauma Straumann Bone Level RC Non-Engaging Verification CylinderKit contains:1 Straumann Bone Level RC Non-Engaging Verification Cylinder (00842092125915)1 Straumann Bone Level RC Guide Pin 20mm (00842092133774)1 Straumann Bone Level RC Titanium Screw (00842092165959) NHA Abutment, Implant, Dental, Endosseous Implant Prosthetics
4 00842092165973 9001430-10 9001430-10 Straumann Bone Level RC Engaging Verification CylinderKit contains:1 Straumann B Straumann Bone Level RC Engaging Verification CylinderKit contains:1 Straumann Bone Level RC Engaging Verification Cylinder (00842092125717)1 Straumann Bone Level RC Guide Pin 20mm (00842092133774)1 Straumann Bone Level RC Titanium Screw (00842092165959) NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
5 00842092165959 9001450 9001450 Straumann Bone Level RC Titanium Screw NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
6 00842092165881 9001250 9001250 Straumann Tissue Level RN/WN Titanium Screw NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
7 00842092165843 9000935 9000935 Nobel Active/Conical RP Non-Engaging Verification CylinderKit contains:1 Nobel A Nobel Active/Conical RP Non-Engaging Verification CylinderKit contains:1 Nobel Active/Conical RP Non-Engaging Verification Cylinder (00842092125960)1 Nobel Active/Conical RP Guide Pin 20mm (00842092126066)1 Nobel Active/Conical RP Titanium Screw (00842092165805) NHA Abutment, implant, dental, endosseous 2 Implant Prosthetics
8 00842092165829 9000930 9000930 Nobel Active/Conical RP Engaging Verification CylinderKit contains:1 Nobel Activ Nobel Active/Conical RP Engaging Verification CylinderKit contains:1 Nobel Active/Conical RP Engaging Verification Cylinder (00842092125946)1 Nobel Active/Conical RP Guide Pin (00842092126066)1 Nobel Active/Conical RP Titanium Screw (00842092165805) NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
9 00842092165805 9000950 9000950 Nobel Active/Conical RP Titanium Screw NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
10 00842092165768 9000835 9000835 Nobel Active/Conical NP Non-Engaging Verification Cylinder NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
11 00842092165744 9000830 9000830 Nobel Active/Conical NP Engaging Verification Cylinder NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
12 00842092165720 9000850 9000850 Nobel Active/Conical NP Titanium Screw NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
13 00842092165645 9000435 9000435 Nobel Tri-Lobe NP Non-Engaging Verification Cylinder NHA Abutment, Implant, Dental, Endosseous Implant Prosthetics
14 00842092165621 9000450 9000450 Nobel Tri-Lobe NP Titanium Screw NHA Abutment, implant, dental, endosseous Implant Prosthetics
15 00842092165416 9000150 9000150 Zimmer TSV 3.5mm/4.5mm/5.7mm Titanium Screw NHA Abutment, Implant, Dental, Endosseous Implant Prosthetics
16 00842092165348 9003756 9003756 Straumann SRA Multi-Unit Titanium Screw NHA Abutment, Implant, Dental, Endosseous Implant Prosthetics
17 00842092165317 9003730 9003730 Multi-Unit Verification Cylinder w/ .050 ScrewKit contains:1 Verification Cylind Multi-Unit Verification Cylinder w/ .050 ScrewKit contains:1 Verification Cylinder for Multi-unit (00842092162286)1 Multi-Unit Titanium Screw (00842092165287) NHA Abutment, implant, dental, endosseous Implant Prosthetics
18 00842092165287 9003751 9003751 Multi-Unit Titanium Screw (.050 Hex) NHA Abutment, Implant, Dental, Endosseous Implant Prosthetics
19 00842092165256 9003763 9003763 Multi-Unit Non-Engaging Titanium Base w/ Unigrip Screw NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
20 00842092165225 9003750 9003750 Multi-Unit Titanium Screw (Unigrip) NHA Abutment, implant, dental, endosseous Implant Prosthetics
21 00842092163313 8006630 8006630 Astra EV 4.2 Engaging Verification Cylinder; . Kit contains 1 Astra EV 4.2 Engag Astra EV 4.2 Engaging Verification Cylinder; . Kit contains 1 Astra EV 4.2 Engaging Verification Cylinder (00842092126660), . 1 Astra EV 4.2 Titanium Screw (00842092126905), . 1 Astra EV 4.2 Guide Pin (00842092126981) NHA Abutment, implant, dental, endosseous 2 Astra
22 00842092163412 8006835 8006835 Astra EV 5.4 Non-Engaging Verification Cylinder; . Kit contains . 1 Astra EV 5.4 Astra EV 5.4 Non-Engaging Verification Cylinder; . Kit contains . 1 Astra EV 5.4 Non-Engaging Verification Cylinder (00842092126806), . 1 Astra EV 5.4 Titanium Screw (00842092126943), . 1 Astra EV 5.4 Guide Pin (00842092135563) NHA Abutment, implant, dental, endosseous 2 Astra
23 00842092163399 8006830 8006830 Astra EV 5.4 Engaging Verification Cylinder; . Kit contains . 1 Astra EV 5.4 Eng Astra EV 5.4 Engaging Verification Cylinder; . Kit contains . 1 Astra EV 5.4 Engaging Verification Cylinder (00842092126707), . 1 Astra EV 5.4 Titanium Screw (00842092126943), . 1 Astra EV 5.4 Guide Pin (00842092135563) NHA Abutment, implant, dental, endosseous 2 Astra
24 00842092163375 8006735 8006735 Astra EV 4.8 Non-Engaging Verification Cylinder; . Kit contains . 1 Astra EV 4.8 Astra EV 4.8 Non-Engaging Verification Cylinder; . Kit contains . 1 Astra EV 4.8 Non-Engaging Verification Cylinder (00842092126783), . 1 Astra EV 4.8 Titanium Screw (00842092126929), . 1 Astra EV 4.8/5.4 Guide Pin (00842092126998) NHA Abutment, implant, dental, endosseous 2 Astra
25 00842092163351 8006730 8006730 Astra EV 4.8 Engaging Verification Cylinder; . Kit contains . 1 Astra EV 4.8 Eng Astra EV 4.8 Engaging Verification Cylinder; . Kit contains . 1 Astra EV 4.8 Engaging Verification Cylinder (00842092126684), . 1 Astra EV 4.8 Titanium Screw (00842092126929), . 1 Astra EV 4.8/5.4 Guide Pin (00842092126998) NHA Abutment, implant, dental, endosseous 2 Astra
26 00842092163337 8006635 8006635 Astra EV 4.2 Non-Engaging Verification Cylinder; . Kit contains . 1 Astra EV 4.2 Astra EV 4.2 Non-Engaging Verification Cylinder; . Kit contains . 1 Astra EV 4.2 Non-Engaging Verification Cylinder (00842092126769), . 1 Astra EV 4.2 Titanium Screw (00842092126905), . 1 Astra EV 4.2 Guide Pin (00842092126981) NHA Abutment, implant, dental, endosseous 2 Astra
27 00842092163290 8006535 8006535 Astra EV 3.6 Non-Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.6 N Astra EV 3.6 Non-Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.6 Non-Engaging Verification Cylinder (00842092126745), . 1 Astra EV 3.6 Titanium Screw (00842092126882), . 1 Astra EV 3.6 Guide Pin (00842092126974) NHA Abutment, implant, dental, endosseous 2 Astra
28 00842092163276 8006530 8006530 Astra EV 3.6 Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.6 Engag Astra EV 3.6 Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.6 Engaging Verification Cylinder (00842092126646), . 1 Astra EV 3.6 Titanium Screw (00842092126882), . 1 Astra EV 3.6 Guide Pin (00842092126974) NHA Abutment, implant, dental, endosseous 2 Astra
29 00842092163252 8006435 8006435 Astra EV 3.0 Non-Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.0 N Astra EV 3.0 Non-Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.0 Non-Engaging Verification Cylinder (00842092126721), . 1 Astra EV 3.0 Titanium Screw (00842092126868), . 1 Astra EV 3.0 Guide Pin (00842092126967) NHA Abutment, implant, dental, endosseous 2 Astra
30 00842092163238 8006430 8006430 Astra EV 3.0 Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.0 Engag Astra EV 3.0 Engaging Verification Cylinder; . Kit contains 1 Astra EV 3.0 Engaging Verification Cylinder (00842092126622), . 1 Astra EV 3.0 Titanium Screw (00842092126868), . 1 Astra EV 3.0 Guide Pin (00842092126967) NHA Abutment, implant, dental, endosseous 2 Astra
31 00842092156933 8000102 8000102 Zimmer TSV 3.5mm Open-Tray Transfer 4.7 x 10mm; . Kit contains . 1 Zimmer TSV 3. Zimmer TSV 3.5mm Open-Tray Transfer 4.7 x 10mm; . Kit contains . 1 Zimmer TSV 3.5/4.5/5.7mm Guide Pin 20mm (00842092100486) . 1 Zimmer TSV 3.5 Open Tray Transfer 4.7x10mm (00842092100301) NDP Accessories, implant, dental, endosseous 1 Zimmer
32 00842092156889 8000101 8000101 Zimmer TSV 3.5mm Open-Tray Transfer 3.5 x 10mm;. Kit contains . 1 Zimmer TSV 3.5 Zimmer TSV 3.5mm Open-Tray Transfer 3.5 x 10mm;. Kit contains . 1 Zimmer TSV 3.5mm Open-Tray Transfer 3.5x10mm (00842092100295) . 1 Zimmer Screw Vent 3.5/4.5/5.7mm Guide Pin 20mm (00842092100486) NDP Accessories, implant, dental, endosseous 1 Zimmer
33 00842092155608 0101819 0101819 Preci-Vertix Profile Analogue (2-Pack) NDP Accessories, implant, dental, endosseous 1 Preci-Vertix
34 00842092155585 0101801 0101801 Preci-Vertix Kit. Kit contains:. 6 Hader Yellow Riders (Standard) (0084209210533 Preci-Vertix Kit. Kit contains:. 6 Hader Yellow Riders (Standard) (00842092105337). 6 Preci-Vertix Males (00842092108970). 1 Preci-Vertix Insertion Tool (00842092155554) EGG ATTACHMENT, PRECISION, ALL 1 Preci-Vertix
35 00842092155578 0101800 0101800 Preci-Vertix P Kit. Kit contains . 6 Yellow Riders-Standard (00842092105337). 6 Preci-Vertix P Kit. Kit contains . 6 Yellow Riders-Standard (00842092105337). 6 Perci-Vertix P Males (00842092108987). 1 Preci-Vertix Plastic Paralleling Mandrel (00842092109069). 1 Preci-Vertix Insertion Tool (00842092155554) EGG ATTACHMENT, PRECISION, ALL 1 Preci-Vertix
36 00842092155561 0101799 0101799 Preci-Vertix P Combo Kit. Kit contains . 2 Yellow Riders-Standard (0084209210533 Preci-Vertix P Combo Kit. Kit contains . 2 Yellow Riders-Standard (00842092105337). 2 White Riders-Decreased (00842092105344). 2 Red Riders-Increased (00842092112731). 2 Preci-Vertix Castable Housings (00842092109045). 1 Preci-Vertix Plastic Parelleling Mandrel (00842092109069). 2 Preci-Vertix P Males (00842092108987) . 1 Preci-Vertix Insertion Tool (00842092155554) EGG ATTACHMENT, PRECISION, ALL 1 Preci-Vertix
37 00842092139684 8006669 8006669 Dynamic Astra EV 4.2mm x 9mm Non-Engaging Ti Base NHA Abutment, implant, dental, endosseous 2 Astra
38 00842092139677 8006668 8006668 Dynamic Astra EV 4.2mm x 9mm Engaging Ti Base NHA Abutment, implant, dental, endosseous 2 Astra
39 00842092138281 9003735 9003735 Multi-Unit Tall Titanium Base w/ .048 Hex Screw DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
40 00842092138076 9005350 9005350 Legacy 3.0mm Titanium Screw NHA Abutment, Implant, Dental, Endosseous 2 Implant Prosthetics
41 00842092137970 9000735-10 9000735-10 Nobel Tri-Lobe 6.0mm Non-Engaging Verification Cylinder (10-Pack) EGG ATTACHMENT, PRECISION, ALL 1 Implant Prosthetics
42 00842092137949 9000430-10 9000430-10 Nobel Tri-Lobe NP Engaging Verification Cylinder (10-Pack) NHA Abutment, implant, dental, endosseous 2 Implant Prosthetics
43 00842092137796 9004430-10 9004430-10 MegaGen AnyRidge Engaging Verification Cylinder (10-Pack) DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
44 00842092137772 9004435-10 9004435-10 MegaGen AnyRidge Non-Engaging Verification Cylinder (10-Pack) DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
45 00842092137734 9000450 9000450 Nobel Tri-Lobe NP Titanium Screw NHA Abutment, implant, dental, endosseous 2 Implant Prosthetics
46 00842092137543 9005535-10 9005535-10 Biohorizons 4.5mm Non-Engaging Verification Cylinder (10-Pack) DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
47 00842092137536 9005535 9005535 BioHorizons 4.5mm Non-Engaging Verification Cylinder DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
48 00842092137529 9005530 9005530 BioHorizons 4.5mm Engaging Verification Cylinder NHA Abutment, implant, dental, endosseous Implant Prosthetics
49 00842092137376 9005559 9005559 BioHorizons 4.5mm x 4.5mm Non-Engaging Titanium Base DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
50 00842092137369 9005562 9005562 Biohorizons 4.5mm x 6mm Titanium Base DZE IMPLANT, ENDOSSEOUS, ROOT-FORM 2 Implant Prosthetics
Other products with the same Product Code "DZE"
No Primary DI Version or Model Catalog Number Device Description Brand Name Organization Name
1 00840192701398 AKA50150NPCEE KAROTH IMPLANT D.5.00 - L.15 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
2 00840192701381 AKA50130NPCEE KAROTH IMPLANT D.5.00 - L.13 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
3 00840192701374 AKA50115NPCEE KAROTH IMPLANT D.5.00 - L.11.5 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
4 00840192701367 AKA50100NPCEE KAROTH IMPLANT D.5.00 - L.10 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
5 00840192701350 AKA50080NPCEE KAROTH IMPLANT D.5.00 - L.8 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
6 00840192701343 AKA40150NPCEE KAROTH IMPLANT D.4.00 - L.15 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
7 00840192701336 AKA40130NPCEE KAROTH IMPLANT D.4.00 - L.13 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
8 00840192701329 AKA40115NPCEE KAROTH IMPLANT D.4.00 - L.11.5 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
9 00840192701312 AKA40100NPCEE KAROTH IMPLANT D.4.00 - L.10 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
10 00840192701305 AKA40080NPCEE KAROTH IMPLANT D.4.00 - L.8 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
11 00840192701299 AKA33150NPCEE KAROTH IMPLANT D.3.30 - L.15 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
12 00840192701282 AKA33130NPCEE KAROTH IMPLANT D.3.30 - L.13 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
13 00840192701275 AKA33115NPCEE KAROTH IMPLANT D.3.30 - L.11.5 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
14 00840192701268 AKA33100NPCEE KAROTH IMPLANT D.3.30 - L.10 NanoTiOx w.carrier EH AoN Implants FAICO MEDICAL LLC
15 00840192701251 ACY50150NPCEE CYROTH IMPLANT D.5.00 - L.15 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
16 00840192701244 ACY50130NPCEE CYROTH IMPLANT D.5.00 - L.13 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
17 00840192701237 ACY50115NPCEE CYROTH IMPLANT D.5.00 - L.11.5 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
18 00840192701220 ACY50100NPCEE CYROTH IMPLANT D.5.00 - L.10 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
19 00840192701213 ACY50080NPCEE CYROTH IMPLANT D.5.00 - L. 8 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
20 00840192701206 ACY40150NPCEE CYROTH IMPLANT D.4.00 - L.15 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
21 00840192701190 ACY40130NPCEE CYROTH IMPLANT D.4.00 - L.13 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
22 00840192701183 ACY40115NPCEE CYROTH IMPLANT D.4.00 - L.11.5 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
23 00840192701176 ACY40100NPCEE CYROTH IMPLANT D.4.00 - L.10 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
24 00840192701169 ACY40080NPCEE CYROTH IMPLANT D.4.00 - L.8 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
25 00840192701152 ACY37150NPCEE CYROTH IMPLANT D.3.75 - L.15 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
26 00840192701145 ACY37130NPCEE CYROTH IMPLANT D.3.75 - L.13 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
27 00840192701138 ACY37115NPCEE CYROTH IMPLANT D.3.75 - L.11.5 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
28 00840192701121 ACY37100NPCEE CYROTH IMPLANT D.3.75 - L.10 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
29 00840192701114 ACY37080NPCEE CYROTH IMPLANT D.3.75 - L.8 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
30 00840192701107 ACY33150NPCEE CYROTH IMPLANT D.3.30 - L.15 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
31 00840192701091 ACY33130NPCEE CYROTH IMPLANT D.3.30 - L.13 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
32 00840192701084 ACY33115NPCEE CYROTH IMPLANT D.3.30 - L.11.5 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
33 00840192701077 ACY33100NPCEE CYROTH IMPLANT D.3.30 - L.10 NanoTiOx w.Carrier EH AoN Implants FAICO MEDICAL LLC
34 00840192701060 AIF50150N2000 IS-FOUR IMPLANT D.5.00 - L.15 OsTiOx IH AoN Implants FAICO MEDICAL LLC
35 00840192701053 AIF50130N2000 IS-FOUR IMPLANT D.5.00 - L.13 OsTiOx IH AoN Implants FAICO MEDICAL LLC
36 00840192701046 AIF50115N2000 IS-FOUR IMPLANT D.5.00 - L.11.5 OsTiOx IH AoN Implants FAICO MEDICAL LLC
37 00840192701039 AIF50100N2000 IS-FOUR IMPLANT D.5.00 - L.10 OsTiOx IH AoN Implants FAICO MEDICAL LLC
38 00840192701022 AIF50080N2000 IS-FOUR IMPLANT D.5.00 - L.8 OsTiOx IH AoN Implants FAICO MEDICAL LLC
39 00840192701015 AIF42150N2000 IS-FOUR IMPLANT D.4.20 - L.15 OsTiOx IH AoN Implants FAICO MEDICAL LLC
40 00840192701008 AIF42130N2000 IS-FOUR IMPLANT D.4.20 - L.13 OsTiOx IH AoN Implants FAICO MEDICAL LLC
41 00840192700995 AIF42115N2000 IS-FOUR IMPLANT D.4.20 - L.11.5 OsTiOx IH AoN Implants FAICO MEDICAL LLC
42 00840192700988 AIF42100N2000 IS-FOUR IMPLANT D.4.20 - L.10 OsTiOx IH AoN Implants FAICO MEDICAL LLC
43 00840192700971 AIF42080N2000 IS-FOUR IMPLANT D.4.20 - L.8 OsTiOx IH AoN Implants FAICO MEDICAL LLC
44 00840192700964 AIF37150N2000 IS-FOUR IMPLANT D.3.75 - L.15 OsTiOx IH AoN Implants FAICO MEDICAL LLC
45 00840192700957 AIF37130N2000 IS-FOUR IMPLANT D.3.75 - L.13 OsTiOx IH AoN Implants FAICO MEDICAL LLC
46 00840192700940 AIF37115N2000 IS-FOUR IMPLANT D.3.75 - L.11.5 OsTiOx IH AoN Implants FAICO MEDICAL LLC
47 00840192700933 AIF37100N2000 IS-FOUR IMPLANT D.3.75 - L.10 OsTiOx IH AoN Implants FAICO MEDICAL LLC
48 00840192700926 AIF37080N2000 IS-FOUR IMPLANT D.3.75 - L.8 OsTiOx IH AoN Implants FAICO MEDICAL LLC
49 00840192700919 AIF33150N2000 IS-FOUR IMPLANT D.3.30 - L.15 OsTiOx IH AoN Implants FAICO MEDICAL LLC
50 00840192700902 AIF33130N2000 IS-FOUR IMPLANT D.3.30 - L.13 OsTiOx IH AoN Implants FAICO MEDICAL LLC