{"title":"US No. 8406 Bur – Busch Fine Finishing Football (Egg) Carbide, Made in Germany","description":"\u003cp\u003eThe \u003cstrong\u003eUS No. 8406\u003c\/strong\u003e is the American number for a fine egg (football) finishing bur with a 1.8 mm head (ISO size 018): the 20-blade class version of the No. 7406, with closer-spaced blades that leave a smoother surface on composite. Busch \u0026amp; Co. manufactures it in Germany as \u003cstrong\u003eBusch No. 44E-F 018\u003c\/strong\u003e, yellow ring. Every US No. 8406 on this page is a genuine Busch instrument and ships from our US warehouse.\u003c\/p\u003e\u003ch2\u003eWhich US No. 8406 Do You Need?\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"border-collapse:collapse;font-size:14px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eUS No.\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eBusch No.\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eMaterial\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eCut\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eShank\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003eBest for\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;background:#f6f6f6;\"\u003ePack\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/fine-carbide-egg-finishing-bur-44e-f-018-fg-pack-of-2\"\u003e8406\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e44E-F 018\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCarbide\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFine finishing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFG\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHigh-speed occlusal finishing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003ca href=\"\/products\/fine-carbide-egg-finishing-bur-busch-44e-f-018-pack-of-2\"\u003e8406\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e44E-F 018\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCarbide\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFine finishing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eRA\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSlow-speed contra-angle\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003cp style=\"font-size:13px;\"\u003eFG (friction grip, 1.6 mm shank, high-speed). RA (latch, 2.35 mm shank, contra-angle). See the \u003ca href=\"\/pages\/busch-bur-size-chart\"\u003eBusch Bur Size Chart\u003c\/a\u003e for head and shank dimensions.\u003c\/p\u003e\u003ch2\u003eClinical Uses of the US No. 8406\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOcclusal smoothing:\u003c\/strong\u003e the pass after contouring with the No. 7406, removing blade marks from cusp inclines and fossae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLingual finishing:\u003c\/strong\u003e refining anterior lingual surfaces before polishing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-polish:\u003c\/strong\u003e preparing composite for a two-step polisher.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSequence: contour with the \u003ca href=\"\/collections\/us-7406-bur\"\u003eNo. 7406\u003c\/a\u003e, smooth with the No. 8406, and finish with the 30-blade \u003ca href=\"\/collections\/us-9406-bur\"\u003eNo. 9406\u003c\/a\u003e where a pre-polish surface is wanted.\u003c\/p\u003e\u003ch2\u003eSpeed and Technique\u003c\/h2\u003e\u003cp\u003eFinishing burs work at reduced pressure: use them with water spray in the contra-angle or high-speed handpiece and let the blade count produce the surface; heavy pressure only dulls them. Maximum recommended speeds for every Busch shape are in our \u003ca href=\"\/pages\/dental-bur-speed-chart\"\u003eDental Bur Speed Chart\u003c\/a\u003e, and reprocessing steps in the \u003ca href=\"\/pages\/dental-bur-sterilization-guide\"\u003eBur Sterilization Guide\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMade in Germany by Busch \u0026amp; Co.\u003c\/h2\u003e\u003cp\u003eBusch \u0026amp; Co. has manufactured rotary instruments in Engelskirchen, Germany since 1905. Every instrument on this page is a genuine Busch product, precision-ground on a concentric shank under ISO-certified quality management and guaranteed to arrive free of manufacturing defects under our \u003ca href=\"\/pages\/warranty\"\u003eBusch arrival guarantee\u003c\/a\u003e.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the Busch number for a US 8406 bur?\u003c\/strong\u003e Busch No. 44E-F 018 in carbide, yellow ring, on FG or RA shanks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat size is a No. 8406 bur?\u003c\/strong\u003e The No. 8406 has a 1.8 mm head diameter (ISO size 018) on an egg-shaped finishing head, ISO shape 277, with a fine blade count.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e7406, 8406 or 9406?\u003c\/strong\u003e Standard for contouring, fine for smoothing, ultra fine for pre-polish. Same shape and size, increasing blade count.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre Busch No. 8406 burs reusable?\u003c\/strong\u003e Yes. Carbide burs are cleaned, disinfected and sterilized between patients and replaced when they dull; the \u003ca href=\"\/pages\/dental-bur-sterilization-guide\"\u003eBur Sterilization Guide\u003c\/a\u003e gives the validated steps.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRelated resources:\u003c\/strong\u003e \u003ca href=\"\/pages\/us-bur-numbers\"\u003eUS Bur Number Finder\u003c\/a\u003e · \u003ca href=\"\/pages\/bur-comparison-chart\"\u003eBur Comparison Chart\u003c\/a\u003e · \u003ca href=\"\/pages\/dental-bur-speed-chart\"\u003eSpeed Chart\u003c\/a\u003e · \u003ca href=\"\/pages\/dental-bur-glossary\"\u003eBur Glossary\u003c\/a\u003e · Related: \u003ca href=\"\/collections\/us-7406-bur\"\u003eUS No. 7406\u003c\/a\u003e, \u003ca href=\"\/collections\/us-9406-bur\"\u003eUS No. 9406\u003c\/a\u003e\u003c\/p\u003e","products":[{"product_id":"fine-carbide-egg-finishing-bur-44e-f-018-fg-pack-of-2","title":"US No. 8406 Busch Carbide Finishing Football (Egg) Bur | Busch No. 44E-F 018 – Fine Grit – FG | Pack of 2","description":"\u003cp\u003eThe \u003cstrong\u003efine carbide football (egg) finishing bur\u003c\/strong\u003e from Busch (US No. 8406) is a precision-engineered dental rotary instrument designed for smooth, controlled finishing work in a variety of clinical procedures. Featuring an egg-shaped head with a fine grit carbide cutting surface, this bur is identified by its yellow ring — the universal indicator for fine finishing — and conforms to ISO classification 500 314 277 042 018.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS No.:\u003c\/strong\u003e 8406\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Carbide, Football (Egg) Shape, Fine Finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Color:\u003c\/strong\u003e Yellow (Fine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Classification:\u003c\/strong\u003e 500 314 277 042 018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShank:\u003c\/strong\u003e FG (Friction Grip)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 2 burs per pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Busch \u0026amp; Co. GmbH — Made in Germany\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eClinical Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003efine carbide football (egg) finishing bur\u003c\/strong\u003e is well-suited for the following procedures:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown Preparation\u003c\/strong\u003e — smooth and refine margin areas with accuracy and control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling Treatment\u003c\/strong\u003e — achieve a clean, well-contoured surface finish on restorative materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCavity\/Fissure Preparation\u003c\/strong\u003e — precisely shape and refine cavity walls and fissure regions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Bur?\u003c\/h2\u003e\u003cp\u003eManufactured in Germany by Busch \u0026amp; Co. GmbH, this \u003cstrong\u003efine carbide football (egg) finishing bur\u003c\/strong\u003e reflects decades of precision engineering tradition. The carbide construction delivers consistent cutting performance, while the football (egg) geometry allows access to a broad range of tooth surfaces. Whether refining occlusal morphology or smoothing restoration margins, this instrument is engineered to meet the demands of clinical excellence.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the US number for this bur?\u003c\/strong\u003e Busch 44E-F 018 is US No. 8406, the fine 1.8 mm egg finishing carbide. See our \u003ca href=\"\/collections\/us-8406-bur\"\u003eUS No. 8406\u003c\/a\u003e page.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does the yellow ring indicate?\u003c\/strong\u003e The yellow ring denotes a fine finishing grade, indicating a higher blade count for smoother surface results compared to coarser grades.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included?\u003c\/strong\u003e Each pack contains 2 individual \u003cstrong\u003efine carbide football (egg) finishing burs\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat shank type is this bur?\u003c\/strong\u003e This bur uses an FG (Friction Grip) shank, compatible with standard high-speed handpieces.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50463948931358,"sku":"022038","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/44e-f-base_7f79beb4-5e14-4627-92a3-ee13c4365451.png?v=1781201036"},{"product_id":"fine-carbide-egg-finishing-bur-busch-44e-f-018-pack-of-2","title":"US No. 8406 Busch Carbide Finishing Football (Egg) Bur | Busch No. 44E-F 018 – Fine Grit – RA | Pack of 2","description":"\u003cp\u003eThe \u003cstrong\u003efine carbide football (egg) finishing bur\u003c\/strong\u003e from Busch \u0026amp; Co. GmbH (US No. 8406) is a precision-engineered dental rotary instrument designed for exceptional surface refinement and controlled material removal. Featuring an egg-shaped head with a fine-grit carbide cutting surface indicated by the yellow ring, this bur delivers smooth, consistent results across a range of restorative procedures.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUS No.:\u003c\/strong\u003e 8406\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Carbide, Football (Egg), Fine Finishing Bur\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Color:\u003c\/strong\u003e Yellow (Fine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO Classification:\u003c\/strong\u003e 500 204 277 042 018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack:\u003c\/strong\u003e Pack of 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eClinical Applications\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003efine carbide football (egg) finishing bur\u003c\/strong\u003e is well-suited for a variety of essential dental procedures. Its football (egg) geometry and fine carbide fluting allow for precise contouring and smooth finishing in demanding clinical situations.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrown Preparation\u003c\/strong\u003e — Achieve accurate marginal definition and smooth axial walls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling Treatment\u003c\/strong\u003e — Refine and contour composite or amalgam restorations to a high-quality finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCavity\/Fissure Preparation\u003c\/strong\u003e — Shape and define cavity preparations with control and consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Choose This Bur\u003c\/h2\u003e\u003cp\u003eAs a \u003cstrong\u003efine carbide football (egg) finishing bur\u003c\/strong\u003e manufactured by Busch \u0026amp; Co. GmbH, this instrument upholds the standards of German dental engineering. The fine carbide construction provides durability and consistent cutting performance throughout the working life of the bur, helping clinicians achieve predictable outcomes with each use.\u003c\/p\u003e\u003cp\u003eThis bur is supplied as a pack of 2, offering practical value for busy dental practices. The yellow ring designation ensures easy, at-a-glance identification among your rotary instrument inventory.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/MadeInGermanySmall.png?v=1775134964\" alt=\"Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany\"\u003e\u003c\/div\u003e\u003ch2\u003eFAQ\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat is the US number for this bur?\u003c\/strong\u003e Busch 44E-F 018 is US No. 8406, the fine 1.8 mm egg finishing carbide. See our \u003ca href=\"\/collections\/us-8406-bur\"\u003eUS No. 8406\u003c\/a\u003e page.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat does the yellow ring indicate on this bur?\u003c\/strong\u003e The yellow ring designates a fine grit level, indicating that this is a finishing bur intended for surface refinement rather than bulk reduction.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many burs are included per pack?\u003c\/strong\u003e Each pack contains 2 burs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the ISO classification for this bur?\u003c\/strong\u003e The ISO classification is 500 204 277 042 018.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this fine carbide football (egg) finishing bur suitable for crown preparation?\u003c\/strong\u003e Yes, the football (egg) geometry and fine carbide cutting surface make it appropriate for crown preparation, filling treatment, and cavity\/fissure preparation.\u003c\/p\u003e","brand":"Busch \u0026 Co. GmbH","offers":[{"title":"Default Title","offer_id":50463948964126,"sku":"022037","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/files\/44e-base_9f8bd3f2-011b-49c7-b4b7-655b2bb060bc.png?v=1781201031"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0943\/1318\/5566\/collections\/44e-f-base_c3eb6bd0-5674-4ec6-8792-a9e4ed32b854.png?v=1790153337","url":"https:\/\/deutschedt.com\/collections\/us-8406-bur.oembed","provider":"Deutsche Dental Technologien","version":"1.0","type":"link"}